Thus, the area of triangle for the given values of height and base is found as: 180 sq. in.
Explain about the conversion units:A number of steps are involved in the Unit of Conversion process, which involves multiplying or dividing by a numerical factor. There are numerous ways to measure things like weight, separation, and temperature.
Unit conversion is the process of changing the unit of measurement for a comparable quantity by multiplying or dividing by conversion factors.
Scientific notation is used to express the units, which are then translated into numerical values in accordance with the amounts.
Given data:
base of triangle b = 2 ft.Height h = 15 in.We know that,
1 foot = 12 in.
2 feet = 12*2 = 24 in.
Area of triangle = 1/2 * b * h
Area of triangle = 1/2 * 24 * 15
Area of triangle = 12* 15
Area of triangle = 180 sq. in
Thus, the area of triangle for the given values of height and base is found as: 180 sq. in.
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The circumstances if the base of the cone is 12π cm. If the volume of the cone is 96π, what is the height
24 cm is the height of cone .
What is known as a cone?
A cone is a three-dimensional geometric object with a smooth transition from a flat, generally circular base to the apex, also known as the vertex.
A cone is a three-dimensional geometric structure with a smooth transition from a flat base—often but not always circular—to the point at the top, also known as the apex or vertex. Cone. a right circular cone having the following measurements: height, slant height, angle, base radius, and height.
V=1/3hπr²
V = 1/3 * h * 12π
96π = 1/3 * h * 12π
96π * 3/12π = h
8 * 3 = h
h = 24 cm
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A cube is cut into two pieces by a single slice that passes through the points A, B, and C.
What shape is the cross section.
1. Rectangle
2. Triangle
3. Square
4. Trapezoid
The correct option is (2) triangle, because the slice intersects the cube face at three non-collinear points.
How many edges does a cube have?When a cube is cut by a single slice passing through three non-collinear points on a face, the shape of the cross section will be the intersection of the slice with the cube face. In this case, the slice passes through points A, B, and C, which are non-collinear, and thus the shape of the cross section will be a triangle.
This is because a triangle is the only shape that can be formed by the intersection of a plane with three non-collinear points on a flat surface, such as the face of a cube. The other options of rectangle, square, and trapezoid are not possible since they cannot be formed by the intersection of a plane with three non-collinear points on a flat surface.
A rectangle can only be formed by the intersection of a plane with four points that form a right angle, a square can only be formed by the intersection of a plane with four points that form a right angle and are equidistant from each other, and a trapezoid can only be formed by the intersection of a plane with four points that are not collinear, but only two of which are parallel.
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How many centimeters are in 9 inches?
Answer:
22.86 centimeters
Step-by-step explanation:
How many centimeters are in 9 inches?
1 inch = 2.54 centimeters
9 inches = 2.54 x 9 = 22.86 centimeters
So, there are 22.86 centimeters in 9 inches.
Answer:
22.86 centimeters
Step-by-step explanation:
To convert inches to centimeters, multiply the inches by 2.54:
9·2.54=22.86
So, there are 22.86 centimeters in 9 inches.
Hope this helps :)
How many cube ds will fit into cube a? enter the max amount.
1 cm
cm
in
сті
1
cm
1 cm
1 cm
cube a
cm
ст
2
cube b
ст
1
cm
ст
1 3
3
ст
cube c
cube d d
1 2 3
5
cinish
As per the given dimension, we need 343 small cubes to completely cover the larger cube.
To determine how many small cubes are needed to cover the larger cube, we need to think about how many of the smaller cubes can fit inside the larger cube.
We can start by looking at the dimensions of the larger cube. Each side is 7cm long, so the volume of the cube can be calculated by multiplying the length, width, and height:
7cm x 7cm x 7cm = 343 cubic centimeters
Now let's consider the dimensions of the smaller cubes. Each cube is 1cm x 1cm x 1cm, so the volume of each cube is:
1cm x 1cm x 1cm = 1 cubic centimeter
To determine how many of these smaller cubes are needed to cover the larger cube, we need to divide the volume of the larger cube by the volume of each small cube:
343 cubic centimeters ÷ 1 cubic centimeter = 343
So we need 343 small cubes to completely cover the larger cube.
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Complete Question:
How many cubes of dimensions 1cm*1cm*1cm are required to cover a cube of dimensions 7cm*7cm*7cm?
please help me I don't understand how to do these.
Given: SD⊥HT ; SH≅ST
Prove: SHD=STD
Step-by-step explanation:
For this given problem we have the following statements and reasons:
1) SD is vertical to HT,
Reason: Given
2) SDH and SDT are right angles
Reason: Right angle congruence theorem
3) SH=≈ST
Reason: Given
4) BD=≈BD
Reason: Reflexive property
5) SHD=≈STD
Reason: SAS
2.
(03. 02 MC)
Kayla was at the surface of a swimming pool and recorded the following two measurements, in feet, on a number line:
−9, which represents the depth of water in the swimming pool
+10, which represents the height of the slide at the pool
Part A: What does 0 represent in this situation? (3 points)
Part B: Describe the height of the slide in relation to 0 in the situation. (3 points)
Part C: Kayla held a pole in the swimming pool. The bottom of the pole was at a depth of 3 feet. How should Kayla mark the level of the bottom of the pole on the number line? Explain how you determined this. (4 points)
0 represents the surface level of the swimming pool.
The height of the slide in relation to 0 is +10 feet.
Part A: In this situation, 0 represents the surface level of the swimming pool on the number line, acting as a reference point between the depth of the water and the height of the slide.
Part B: The height of the slide in relation to 0 is +10 feet. This means the slide is 10 feet above the surface level of the swimming pool.
Part C: To mark the level of the bottom of the pole on the number line, Kayla should mark it at -3 since the bottom of the pole is at a depth of 3 feet below the surface level of the pool.
This is determined by using the negative value to represent the depth below the surface (0).
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From the following facts, complete a depreciation schedule by using
the straight-line method:
Cost of Honda Account Hybrid - $40000
Residual Value - $10000
Estimated Life - 6 years
Using the straight-line method, we can find the depreciation expense per year by dividing the depreciable value (cost - residual value) by the estimated life:
Depreciable Value = Cost - Residual Value
Depreciable Value = $40000 - $10000
Depreciable Value = $30000
Annual Depreciation Expense = Depreciable Value / Estimated Life
Annual Depreciation Expense = $30000 / 6
Annual Depreciation Expense = $5000
To create a depreciation schedule, we can subtract the annual depreciation expense from the cost each year until we reach the residual value:
| Year | Cost | Depreciation | Accumulated Depreciation | Book Value |
|------|---------------|----------------- |----------------------------------------|------------|
| 1 | $40000 | $5000 | $5000 | $35000 |
| 2 | $35000 | $5000 | $10000 | $30000 |
| 3 | $30000 | $5000 | $15000 | $25000 |
| 4 | $25000 | $5000 | $20000 | $20000 |
| 5 | $20000 | $5000 | $25000 | $15000 |
| 6 | $15000 | $5000 | $30000 | $10000 |
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Use the diagram to match the terms with the correct example.
1. C is the center
2. EF is a secant line
3. AD is the diameter
4. CD is the radius
5. FD is the arc
6. The region bounded by AC, BC and arc AB is a segment
7. The region bounded by FE and arc FE is a sector
8. EF is the chord
9. GF is the tangent line
How to match the statementTo match the statements, we need to know the following;
The diameter of a circle, is a line cutting through the center and bisects it into equal halveschord of a circle is a line segment that joins any two points on the circumference of the circleSegment of a circle is a region that is bounded by a chordA secant line is a straight line that intersects a circle in two pointsLearn about circles at: https://brainly.com/question/24375372
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−7y−4x=1 7y−2x=53 � = x=x, equals � = y=y, equals
The value of the variables are;
x = 52
y = 30
How to simply the expressionfrom the information given, we have simultaneous equations ;
−7y−4x=1
7y−2x=53
Make 'y' the subject from equation 1 , we have;
y = 1 + 4x/-7
Substitute the value into equation 2, we get;
7(1 + 4x/-7) - 2x = 53
expand the bracket
7 + 28x/-7 - 2x= 53
7 + 28x + 14x = 53(-7)
then, we have;
7 + 42x =,-371
collect the like terms
42x = 364
x = 52
Substitute the value
y = 1 + 4x/-7
y = 1+ 4(52)/-7
y = 30
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The chamber of commerce for a beach town asked a random sample of city dwellers, "Would you like to live at the beach?" Based on this survey, the 95% confidence interval for the population proportion of city dwellers who would like to live at the beach is (0. 56, 0. 62)
The 95% confidence interval is (0.56, 0.62). This means that we can be 95% confident that the true proportion of city dwellers who would like to live at the beach lies between 56% and 62%.
In this case, the Chamber of Commerce conducted a survey asking city dwellers if they would like to live at the beach. The 95% confidence interval for the population proportion of city dwellers who would like to live at the beach is (0.56, 0.62).
To break this down:
1. Random sample: The Chamber of Commerce surveyed a group of city dwellers chosen randomly, which helps ensure that the results are representative of the entire population of city dwellers.
2. Population proportion: This refers to the percentage of all city dwellers who would like to live at the beach.
3. 95% confidence interval: This means that if the survey were repeated many times with different random samples, 95% of the intervals calculated would contain the true population proportion.
In this case, the 95% confidence interval is (0.56, 0.62). This means that we can be 95% confident that the true proportion of city dwellers who would like to live at the beach lies between 56% and 62%.
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write the equation that gives the number of tickets sold, y, as a linear function of the number of hours, i, since the tickets have been on sale. enter your
answer in the box.
The linear function representing relation of the number of tickets sold and number of hours since tickets have been on sale is given by y = 32x.
Let us consider the two points of the linear function are,
(x₁, y₁) = (2, 64) and (x₂, y₂) = (6, 192).
Use the two-point form of the equation of a line .
Equation of linear function shows relationship between number of tickets sold y and the number of hours since tickets have been on sale x
Slope of the line is,
slope = (y₂ - y₁) / (x₂ - x₁)
= (192 - 64) / (6 - 2)
= 128 / 4
= 32
Apply the point-slope form of the equation of a line with the point (2, 64),
y - y₁= m(x - x₁)
⇒ y - 64 = 32(x - 2)
⇒ y - 64 = 32x - 64
⇒ y = 32x
Check if the equation of the line passes through the third point (18, 576),
y = 32x
⇒576 = 32(18)
⇒576 = 576
Since the equation of the line passes through all three points,
Therefore, linear function between the number of tickets sold and number of hours since tickets have been on sale is y = 32x.
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The above question is incomplete, the complete question is:
A linear function has the table of values shown. The information in the table shows the number of tickets sold on opening night of a movie as a function of the number of hours since the tickets have been on sale.
Number of Hours (x) 2 6 18
Number of Tickets Sold (y) 64 192 576
Write the equation that gives the number of tickets sold, y, as a linear function of the number of hours, x, since the tickets have been on sale. Enter your answer in the box
What is the volume of a hemisphere with a radius of 8. 8 cm, rounded to the nearest
tenth of a cubic centimeter?
Please help
The volume of a hemisphere with a radius of 8. 8 cm, rounded to the nearest tenth of a cubic centimeter, is approximately 1436.8 cubic centimeters.
To find the volume of a hemisphere with a radius of 8.8 cm, you can use the formula:
Volume = (2/3)πr³
where r is the radius of the hemisphere. Plugging in the given radius:
Volume = (2/3)π(8.8)³ ≈ 1436.8 cubic centimeters
So, the volume of the hemisphere is approximately 1436.8 cubic centimeters, rounded to the nearest tenth of a cubic centimeter.
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What are the coordinates of the point 1/4 of the way from A to B? Two intersecting line segments graphed on a coordinate plane. Segment A B has vertices at A negative 4 comma negative 2 and B 4 comma 4. Segment C D has vertices at C negative 3 comma 3 and D 3 comma negative 3.
The coordinates of the point 1 / 4 of the way from A to B is (-2, -0.5).
How to find the coordinates ?To find the coordinates of the point that is 1/4 of the way from point A to point B, we can use the following formula:
Point P = (1 - t) x A + t x B
Given the coordinates of points A (-4, -2) and B (4, 4):
P x = (1 - 1/4) x Ax + (1/4) x Bx
P x = (3/4) x (-4) + (1/4) x 4
P x = -3 + 1
P x = -2
P y = (1 - 1/4) x Ay + (1/4) x By
P y = (3/4) x (-2) + (1/4) x 4
P y = -1.5 + 1
P y = -0.5
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1425 stamps evenly into 7 piles how many would be in each pile
To evenly distribute 1425 stamps into 7 piles, you would divide 1425 by 7. This gives you a quotient of 203 with a remainder of 4. This means that each pile would contain 203 stamps and there would be 4 stamps left over.
To understand this better, you can visualize the process of dividing 1425 stamps into 7 equal piles. You could start by putting 203 stamps into the first pile. Then, you would add another 203 stamps to the second pile. You would continue this process until you had 7 piles, each containing 203 stamps. However, you would be left with 4 stamps that couldn't be evenly distributed.
This type of division is called integer division because it results in a whole number quotient and potentially a remainder. In this case, the quotient represents the number of stamps that can be evenly distributed among the piles, and the remainder represents the leftover stamps that cannot be evenly distributed.
Overall, to divide 1425 stamps into 7 piles, each pile would contain 203 stamps, with 4 stamps remaining.
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If a and b, then c. given: the if-then statement's reverse isalso correct. if a is true, b is true, what is c?
If a and b, then c means that if both a and b are true, then c must also be true. This is an example of a conditional statement, where the truth of one proposition (c) is dependent on the truth of the other two propositions (a and b).
Now, given that the reverse of the if-then statement is also correct, we can conclude that if b is true, then a is also true. This means that both a and b are true. Therefore, according to the original statement, c must also be true.
In other words, if a and b are both true, then c must also be true. This is because the conditional statement "if a and b, then c" holds true in this scenario. Therefore, we can conclude that the value of c is true.
Overall, understanding the logic behind conditional statements and their reverses can help us make logical conclusions about the truth of propositions based on the truth of other propositions.
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What is the percentage chance of choosing a queen or a king from a standard 52-card deck?
The probability of choosing a king or queen from a standard 52-card deck is 2/13 or approximately 15.4%.
How can we calculate the percentage?The probability of choosing a king or a queen from a standard 52-card deck can be calculated by first determining the number of kings and queens in the deck. There are four kings (hearts, diamonds, clubs, and spades) and four queens (hearts, diamonds, clubs, and spades) in the deck, for a total of eight cards.
To find the probability of choosing a king or a queen, you need to divide the number of desired outcomes (eight) by the total number of possible outcomes (52).
Probability = Number of desired outcomes / Total number of possible outcomes
Probability = 8 / 52
This simplifies to:
Probability = 2 / 13
Therefore, the probability of choosing a king or a queen from a standard 52-card deck is approximately 0.154 or 15.4%.
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Selim is ordering concrete spheres to place as barriers in the city park. The spheres cost $2 per square foot, and Selim can spend $20 per sphere. What is the maximum diameter of the spheres he can purchase?
A.
3. 56 ft
B.
1. 59 ft
C.
1. 78 ft
D.
0. 89 ft
The maximum diameter of the spheres Selim can purchase is approximately 1.78 feet, The correct answer is option (C).
To find the maximum diameter of the concrete spheres Selim can purchase, we need to consider the cost and surface area of the spheres. Given that the spheres cost $2 per square foot and Selim can spend $20 per sphere, we can start by finding the maximum surface area he can afford for each sphere.
1. Calculate the maximum surface area:
$20 ÷ $2 per square foot = 10 square feet
Now that we know the maximum surface area is 10 square feet, we can use the formula for the surface area of a sphere to find the maximum diameter.
2. Use the sphere surface area formula:
Surface area = 4πr², where r is the radius of the sphere.
Since the maximum surface area is 10 square feet, we can plug this value into the formula and solve for the radius.
10 = 4πr²
3. Divide both sides by 4π:
10 ÷ 4π = 0.796
4. Take the square root to find the radius:
r = 0.893 ft
5. Finally, multiply the radius by 2 to get the diameter:
D = 2 * 0.893 = 1.786 ft
Therefore, the maximum diameter of the spheres Selim can purchase is approximately 1.78 feet, which corresponds to option C.
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11. Consider the image shown. What is the measure of angle DEB?
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The supplementary angles of the given angles are 154 degrees, 136 degrees, 135 degrees, 44 degrees, 45 degrees, and 26 degrees, respectively.
Supplementary Angles of Given Angles
Supplementary angles are pairs of angles that add up to 180 degrees. To find the supplementary angle of each given angle, we simply subtract the angle from 180 degrees.
Therefore, the supplementary angles of the given angles are:
The supplementary angle of 26 degrees is 154 degrees (180 - 26 = 154).
The supplementary angle of 44 degrees is 136 degrees (180 - 44 = 136).
The supplementary angle of 45 degrees is 135 degrees (180 - 45 = 135).
The supplementary angle of 136 degrees is 44 degrees (180 - 136 = 44).
The supplementary angle of 135 degrees is 45 degrees (180 - 135 = 45).
The supplementary angle of 154 degrees is 26 degrees (180 - 154 = 26).
Therefore, the supplementary angles of the given angles are 154 degrees, 136 degrees, 135 degrees, 44 degrees, 45 degrees, and 26 degrees, respectively.
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PLEASE HELP. A painting canvas has a length that measures 3( to the fifth power)mm. The width of the canvas measures 3(to the seventh power)mm. If lea wants to divide the canvas into sections that contain an area of 3( to the eighth power)mm( squared). How many sections can she create on the canvas ?
If lea wants to divide the canvas into sections that contain an area of 3 then Lea can create 81 sections on the canvas.
To find the number of sections Lea can create on the painting canvas, given the length is 3^5 mm, the width is 3^7 mm, and each section has an area of 3^8 mm^2 we should follow the steps given below:
Step 1: Calculate the total area of the canvas by multiplying the length and the width.
[tex]Total area = (3^5 mm) * (3^7 mm)[/tex]
Step 2: Use the property of exponents that states a^m * a^n = a^(m+n) to simplify the total area.
Total area = 3^(5+7) mm^2
Total area = 3^12 mm^2
Step 3: Divide the total area of the canvas by the area of each section to find the number of sections.
Number of sections = (3^12 mm^2) / (3^8 mm^2)
Step 4: Use the property of exponents that states a^m / a^n = a^(m-n) to simplify the number of sections.
Number of sections = 3^(12-8)
Number of sections = 3^4
Step 5: Calculate the numerical value of 3^4.
Number of sections = 81
Lea can create 81 sections on the canvas.
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Which represent correct variations of the formula for speed? Check all that apply.
An athlete training for a marathon plans on running
6
miles per day during the first phase of training. If
d
represents the number of days, and
m
represents the total number of miles the athlete runs, which equation correctly represents the relationship?
The correct variations of the formula for speed are:
m = 6d
d = m/6
6d = m
The formula for speed is distance divided by time. However, in this scenario, we are given the distance and need to find the time.
The athlete plans on running 6 miles per day during the first phase of training, so the total number of miles the athlete runs, represented by m, is equal to 6 times the number of days, represented by d.
Therefore, the correct equation that represents the relationship is:
m = 6d
This equation shows that the total number of miles, m, is directly proportional to the number of days, d, that the athlete runs.
Other variations of this formula can be obtained by manipulating the equation to find either d or m. For example, if we want to find the number of days, we can divide both sides of the equation by 6:
d = m/6
This equation shows that the number of days is equal to the total number of miles divided by 6.
Alternatively, if we want to find the total number of miles, we can multiply both sides of the equation by 6:
6d = m
This equation shows that the total number of miles is equal to 6 times the number of days.
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Please upload a picture of a piece of paper with the problem worked out, and draw the graph for extra points, there will be 6 of these, so go to my profile and find the rest, and do the same, for extra points.
The solution of the system of equations is given by the ordered pair (2, 7).
How to graphically solve this system of equations?In order to graph the solution to the given system of equations on a coordinate plane, we would use an online graphing calculator to plot the given system of equations and then take note of the point of intersection;
3x - y = -1 ......equation 1.
x - 2y = -12 ......equation 2.
Based on the graph shown in the image attached above, we can logically deduce that the solution to this system of equations is the point of intersection of the lines on the graph representing each of them, which lies in Quadrant I, and it is given by the ordered pairs (2, 7).
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Please help me :/
You can make a 6-digit security number using the digits 1-9 and digits cannot be repeated. Show all work and formulas used in computing your answers.
a) How many numbers can you make if there are no additional restrictions?
b) How many numbers can you make if the first digit cannot be a one?
c) How many odd numbers can you make (the last digit is odd?)
d) How many numbers greater than 300,000 can you make?
e) How many numbers greater than 750,000 can you make?
Sure, I'd be happy to help you with these questions!
a) To calculate the total number of possible 6-digit security numbers, we can use the permutation formula:
nPr = n! / (n-r)!
where n is the total number of digits available (9) and r is the number of digits we are selecting (6).
So, the number of possible 6-digit security numbers without any restrictions is:
9P6 = 9! / (9-6)! = 9! / 3! = 9 x 8 x 7 x 6 x 5 x 4 = 60,480
Therefore, there are 60,480 possible 6-digit security numbers that can be made with the digits 1-9 without repeating any digits.
b) If the first digit cannot be a one, we are left with 8 choices for the first digit (since we cannot use 1) and 8 choices for the second digit (since we have already used one digit). For the remaining 4 digits, we still have 7 choices for each digit, since we cannot repeat any digits.
Using the permutation formula again, the number of possible 6-digit security numbers with the first digit not being one is:
8 x 8 x 7 x 7 x 7 x 7 = 1,322,496
Therefore, there are 1,322,496 possible 6-digit security numbers that can be made with the digits 1-9 without repeating any digits, where the first digit is not one.
c) To create an odd number, the last digit must be an odd number, which means we have 5 choices for the last digit (1, 3, 5, 7, or 9). For the first digit, we cannot use 0 or 1, so we have 7 choices. For the remaining 4 digits, we still have 8 choices for each digit (since we can use any digit).
Using the permutation formula again, the number of possible 6-digit security numbers with the last digit being odd is:
7 x 8 x 8 x 8 x 8 x 5 = 7,1680
Therefore, there are 7,1680 possible 6-digit security numbers that can be made with the digits 1-9 without repeating any digits, where the last digit is odd.
d) To create a number greater than 300,000, the first digit must be 3, 4, 5, 6, 7, 8, or 9. If the first digit is 3, we have 7 choices for the first digit (3, 4, 5, 6, 7, 8, or 9). For the remaining 5 digits, we still have 8 choices for each digit.
If the first digit is not 3, we have 6 choices for the first digit (since we cannot use 1 or 2). For the remaining 5 digits, we still have 8 choices for each digit.
Using the permutation formula again, the number of possible 6-digit security numbers greater than 300,000 is:
7 x 8 x 8 x 8 x 8 x 8 + 6 x 8 x 8 x 8 x 8 x 8 = 2,526,720
Therefore, there are 2,526,720 possible 6-digit security numbers that can be made with the digits 1-9 without repeating any digits, where the number is greater than 300,000.
e) To create a number greater than 750,000, the first digit must be 8 or 9. If the first digit is 8, we have 2 choices for the first digit (8 or 9). For the remaining 5 digits, we still have 8 choices for each digit.
If the first digit is 9, we only have one choice for the first digit (9). For the remaining 5 digits, we still have 8 choices for each digit.
Using the permutation formula again, the number of possible 6-digit security numbers greater than 750,000 is:
2 x 8 x 8 x 8 x 8 x 8 + 1 x 8 x 8 x 8 x 8 x 8 = 262,144
Therefore, there are 262,144 possible 6-digit security numbers that can be made with the digits 1-9 without repeating any digits, where the number is greater than 750,000.
The points $(1, 7), (13, 16)$ and $(5, k)$, where $k$ is an integer, are vertices of a non-degenerate triangle. what is the sum of the values of $k$ for which the area of the triangle is a minimum
The minimum value of k that satisfies this inequality is k = 9.
To find the value of k for which the area of the triangle is a minimum, we'll use the following terms: vertices, non-degenerate triangle, and area of a triangle. Here's the step-by-step explanation:
1. The vertices of the triangle are $(1, 7), (13, 16),$ and $(5, k)$.
2. A non-degenerate triangle means it has a positive area.
3. The area of a triangle can be calculated using the formula: Area = (1/2) * |x1(y2 - y3) + x2(y3 - y1) + x3(y1 - y2)|
Now, let's find the area of the triangle with the given vertices:
Area = (1/2) * |1(16 - k) + 13(k - 7) + 5(7 - 16)|
We want to minimize the area, so let's simplify the expression:
Area = (1/2) * |-9 + 13k - 104|
Since we want a non-degenerate triangle, the area must be greater than 0. Therefore, the expression inside the absolute value must be positive:
-9 + 13k - 104 > 0
13k > 113
k > 113/13
k > 8.69
Since k is an integer, the minimum value of k that satisfies this inequality is k = 9.
The sum of the values of k for which the area of the triangle is a minimum is just the single value we found, which is 9.
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the area of a rectangle is 65 sqare meters. the lenght of the rectrangle is 3 m less thans twice the width. find the dimensions of the rectangle
The dimensions are;
Length = 7 meters
Width = 5 meters
How to determine the valueThe area of a rectangle is expressed as;
Area = length × width
From the information given, we have that;
Length = 2w - 3
Area = 65
Substitute the values
65 = (2w - 3)w
expand the bracket
65 = 2w² - 3w
solve the quadratic equation;
2w² + 13w - 10w - 65
Factorize the terms
w(2w + 13) - 5(2w + 13)
w = 5
Substitute the value
Length = 2w - 3 = 2(5) - 3 = 7
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A municipality has budgeted r80 000 for putting up new street name boards the street name boards cost r134 each. how many new street name boards can be put up, and how much money will be left in the budget?
we first need to find out how many street name boards can be purchased with a budget of R80,000. We can do this by dividing the budget by the cost of each street name board:
R80,000 ÷ R134 = 597.01
Since we cannot purchase a fraction of a street name board, we round down to the nearest whole number. Therefore, the municipality can purchase 597 new street name boards with a budget of R80,000.
To find out how much money will be left in the budget, we can subtract the cost of the street name boards from the initial budget:
R80,000 - (597 x R134) = R1,598
Therefore, the municipality will have R1,598 left in their budget after purchasing 597 new street name boards.
Street name boards are an important part of any municipality as they help residents navigate and locate specific areas. By budgeting for and installing new street name boards, the municipality is taking a proactive approach to improve their community's infrastructure and ensure the safety and well-being of their residents.
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[1 point) The following table gives values of the differentiable function y = f(x). 012345678910 123-4.21-1-2135 Estimate the x-values of critical points of (x) on the interval 0 < x < 10. Classity each critical point as a local maximum, local minimum, or neither Enter your critical points as comma-separated xvalue, classification pairs. For example, if you found the critical points x = -2 and x = 3, and that the first was a local minimum and the second nother a minimum nor a maximum, you should enter (-2,min), (3,neither). Enter none if they are no critica/ points) critical points and classifications Now assume that the table gives values of the continuous function y = f'(x) (instead of F(x)). Estimate and classify critical points of the function f(x) critical points and classifications:
The critical points of f(x) on the interval 0 < x < 10 are: (2, max), (7.5, min)
To estimate the critical points of f(x) on the interval 0 < x < 10, we need to look for points where the derivative, f'(x), equals zero or is undefined. However, we are given a table of values for f(x) instead of f'(x), so we need to first estimate f'(x) using these values.
One way to do this is to use finite differences. We can calculate the first finite difference for each pair of adjacent values in the table, which gives an estimate of the derivative at the midpoint of the interval:
f'(x) ≈ (f(x+1) - f(x)) / (1)
Using this formula, we can calculate the following table of values for f'(x): 0123456789 23-2.79-8-5
Now we can look for critical points of f(x) by finding where f'(x) equals zero or is undefined: - f'(x) = 0 when x = 2 or x = 7.5 (approximately) - f'(x) is undefined at x = 0 and x = 10 (endpoints of the interval)
To classify each critical point, we need to look at the sign of the derivative near the point. If f'(x) changes sign from positive to negative at a critical point, then it is a local maximum. If it changes from negative to positive, then it is a local minimum. If it does not change sign, then it is neither a maximum nor a minimum.
Using the values in the table for f'(x), we can see that: -
Near x = 2, f'(x) changes sign from positive to negative, so it is a local maximum. - Near x = 7.5, f'(x) changes sign from negative to positive, so it is a local minimum. - At the endpoints x = 0 and x = 10, f'(x) is undefined, so there are no critical points.
Therefore, the critical points of f(x) on the interval 0 < x < 10 are: (2, max), (7.5, min)
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A spinner has 10 equally sized sections, 6 of which are gray and 4
of which are blue. The spinner is spun twice. What is the probability that the first spin lands on blue and the second spin lands on gray.
Step-by-step explanation:
since both spins are independent events (one does not have any impact on the other), the sequence does not matter. the probability of first blue and then gray is the same as first gray and then blue.
it is the probability of getting 1 gray and 1 blue result.
a probability is always the ratio
desired cases / totally possible cases.
since 6/10 of the area of the spine are gray, and 4/10 of the area are blue, the probability for any single spin to result in gray is 6/10 = 3/5 = 0.6.
and the probability to result in blue is 4/10 = 2/5 = 0.4
the probability to get 1 gray and 1 blue is then the product of both probabilities :
0.6 × 0.4 = 0.24
it is like rolling a die twice and asking for e.g. two 6s or any other combination of 2 specific numbers. that probability is
1/6 × 1/6 = 1/36
FYI :
the probability of getting gray twice is then
0.6 × 0.6 = 0.36
the probability of getting blue twice is
0.4 × 0.4 = 0.16
as mentioned to get gray first and blue second is
0.6 × 0.4 = 0.24
to get blue first and gray second
0.4 × 0.6 = 0.24
and these are all the possible results you can get in 2 spins.
therefore, the probability for any of them is
0.36 + 0.16 + 0.24 + 0.24 = 1
Drag each reason to the correct location on the flowchart. Not all reasons will be used.
∠AOD≅∠COB,∠AOB≅∠COD by vertical angle theorem. ΔAOD≅ΔCOB,ΔAOB≅ΔCOD by SAS. ∠DAC≅∠BCA,∠BAC≅∠DCA by CPCTC. AB║CD,AD║BC by converse alternate interior angles theorem
What's perpendicular angles theorem?Vertical angles theorem states that perpendicular angles, angles that are contrary each other and formed by two cutting straight lines, are harmonious.
Define alternate interior angles theorem?Alternate angle theorem states that when two resemblant lines are cut by a transversal, also the performing alternate interior angles or alternate surface angles are harmonious.
SAS Side angle side
CPCTC Corresponding corridor of harmonious triangles are harmonious.
discourse of alternate interior angle theorem If two alternate interior angles are harmonious also the two lines are resemblant.
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A volleyball player’s serving percentage is 75%. Six of her serves are randomly selected. Using the table, what is the probability that at most 4 of them were successes?
A 2-column table with 7 rows. Column 1 is labeled number of serves with entries 0, 1, 2, 3, 4, 5, 6. Column 2 is labeled probability with entries 0. 0002, 0. 004, 0. 033, 0. 132, 0. 297, 0. 356, question mark.
0. 297
0. 466
0. 534
0. 822
To solve this problem, we first need to understand what "at most 4 of them were successes" means. This includes the cases where there are 0, 1, 2, 3, or 4 successful serves out of the 6 selected.
We can use the table to find the probabilities for each of these cases.
For 0 successful serves, the probability is 0.0002.
For 1 successful serve, the probability is 0.004.
For 2 successful serves, the probability is 0.033.
For 3 successful serves, the probability is 0.132.
For 4 successful serves, the probability is 0.297.
To find the probability of at most 4 successful serves, we add up these probabilities:
[tex]0.0002 + 0.004 + 0.033 + 0.132 + 0.297 = 0.466[/tex]
So the probability of at most 4 successful serves is 0.466.
Therefore, the answer is 0.466 and it is found by adding up the probabilities for the cases where there are 0, 1, 2, 3, or 4 successful serves out of the 6 selected from the table.
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A study was conducted by the Director of Parking and Transportation at a large university. One variable under study is the method of transportation to campus used by off-campus students. The choices for students on the survey were drive alone, carpool, public transportation, walk, or a paid driving service. Which type of variable is this?
The type of variable being studied in this case is a categorical variable, specifically a nominal variable.
What s the type of variable in the question?Categorical variables are variables that can be classified or grouped. The categories in this example are the various modes of transportation utilized by off-campus students (drive alone, carpool, public transportation, walk, or a paid driving service).
Nominal variables are categorical variables with no intrinsic order or numerical value. Because the various modes of transportation in this study have no numerical value or inherent order, they are classified as nominal variables.
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