The farmer should construct a rectangle that is twice as long as it is wide, with dimensions of 1216.56 m x 608.28 m, and should use 7301.36 m of fence to divide it in half parallel to the shorter side in order to minimize the cost of the fence.
To minimize the cost of the fence, the farmer should construct a rectangle that is twice as long as it is wide, with the dividing fence parallel to the shorter side. This will result in two identical rectangles each with an area of 375 000 m².
The perimeter of the rectangle can be calculated as follows:
P = 2L + 2W
where L is the length and W is the width.
Since the area of the rectangle is 750 000 m² and the length is twice the width, we can write:
L x W = 750 000
L = 2W
Substituting L = 2W into the equation for area, we get:
2W x W = 750 000
2W² = 750 000
W² = 375 000
W = 608.28 m
L = 2W = 1216.56 m
So the dimensions of the rectangle are 1216.56 m x 608.28 m.
The perimeter of each rectangle is:
P = 2L + 2W
P = 2(1216.56) + 2(608.28)
P = 3650.68 m
The total length of fence needed is twice the perimeter, since we are dividing the rectangle in half:
Total fence length = 2 x 3650.68 = 7301.36 m
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To begin a bacteria study, a petri dish had 2700 bacteria cells. Each hour since, the number of cells has increased by 5. 2%.
Let t be the number of hours since the start of the study. Let y be the number of bacteria cells.
Write an exponential function showing the relationship between y and t.
The exponential function y = [tex]2700(1.02)^t[/tex] models the growth of bacteria cells in a petri dish over time, with an initial population of 2700 cells and a growth rate of 2% per hour.
Exponential functions are often used to model situations where the growth or decay of a quantity depends on a constant proportionality factor.
In this case, the proportionality factor is the growth rate, which is represented by the constant 0.02 in the function. The factor (1 + r) represents the growth factor, which is the multiplier for the initial population to calculate the population after t hours. The larger the growth rate, the faster the population will grow, and the steeper the graph of the exponential function will be.
The equation y = [tex]2700(1.02)^t[/tex] can be used to make predictions about the growth of the bacteria population over time. For example, after one hour, the number of bacteria cells would be y = [tex]2700(1.02)^1[/tex] = 2754 cells. After two hours, the number of cells would be y = [tex]2700(1.02)^2[/tex] = 2812 cells, and so on.
It's worth noting that exponential growth cannot continue indefinitely, as there are always limiting factors that will eventually constrain the growth of a population. In the case of bacteria, the petri dish may eventually become overcrowded or run out of nutrients, which will slow or stop the growth of the bacteria population. Therefore, the exponential function y = [tex]2700(1.02)^t[/tex] is a model that is only valid for a certain range of values of t, beyond which other factors may come into play.
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5. a square has a vertex at (-15,-9) and is dilated at the origin with a scale factor of 1/3
what is the new coordinate of the of the vertex?
(3,5)
(5,3)
(-3,-5)
(-5,-3)
The new coordinate of the vertex after dilation is (-5, -3).
To find the new coordinate, you'll need to use the given scale factor of 1/3 and apply it to the original vertex coordinates (-15, -9). Here's a step-by-step explanation:
1. Identify the original vertex coordinates: (-15, -9).
2. Identify the scale factor for dilation: 1/3.
3. Apply the scale factor to the x-coordinate: (-15) * (1/3) = -5.
4. Apply the scale factor to the y-coordinate: (-9) * (1/3) = -3.
5. The new coordinates after dilation are (-5, -3).
By following these steps, you can find the new coordinates of the vertex after dilation at the origin using the given scale factor.
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A right triangle with a height measuring
4.75 inches contains a hypotenuse
measuring 7.42 inches. What is the
measure of the area of the triangle to the
nearest tenth of a square inch?
a city maintains a database of all traffic tickets that were issued over the past ten years. the tickets are divided into the following two categories. moving violations nonmoving violations the data recorded for each ticket include only the following information. the month and year in which the ticket was issued the category of the ticket which of the following questions cannot be answered using only the information in the database? responses have the total number of traffic tickets per year increased each year over the past ten years? have the total number of traffic tickets per year increased each year over the past ten years? in the past ten years, were nonmoving violations more likely to occur on a weekend than on a weekday? in the past ten years, were nonmoving violations more likely to occur on a weekend than on a weekday? in the past ten years, were there any months when moving violations occurred more often than nonmoving violations? in the past ten years, were there any months when moving violations occurred more often than nonmoving violations? in how many of the past ten years were there more than one million moving violations?
The statement about the chances of occurrence of nonmoving violations more on a weekend than on a weekday in past ten years is cannot be answered using only the information in the database. So, option(b) is provide the right answer.
Database: The database is a large collection of data and it is used to store and retrieve the accordingly. It has an organization of a certain amount of data that needs and it contains. We have a database of all traffic tickets that were issued over the past ten years in a city. The informations including are
the tickets are divided into two categories. 1) moving violations2) nonmoving violations
the month and year in which the ticket was issued the category of the ticket.We have to recongise the statement which is not answering by the above informations in database. First statement is can be answerable, because we have data of year in which tickets are issued. Similarly, statements third and fourth related to data of tickets issued in month and year in past ten years. So, both are answerable statements. Therefore, the second statement
is cannot be answerable here.
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Complete question:
a city maintains a database of all traffic tickets that were issued over the past ten years. the tickets are divided into the following two categories. moving violations nonmoving violations the data recorded for each ticket include only the following information. the month and year in which the ticket was issued the category of the ticket which of the following questions cannot be answered using only the information in the database? responses
a) have the total number of traffic tickets per year increased each year over the past ten years?
b) in the past ten years, were nonmoving violations more likely to occur on a weekend than on a weekday?
c) in the past ten years, were there any months when moving violations occurred more often than nonmoving violations?
d) in how many of the past ten years were there more than one million moving violations?
In a round of mini-golf , Clare records the number of strokes it takes to hit the ball into the hole of each green. She said that, if she redistributed the strokes on different greens, she could tell that her average number of strokes per hole is 3.
If Clare's average number of strokes per hole is 3, it means that the total number of strokes she took in the round divided by the number of holes she played is equal to 3.
Let's say Clare played n holes in total and took a total of s strokes in the round. Then we can write:
s/n = 3
Multiplying both sides by n, we get:
s = 3n
This means that Clare took 3 strokes per hole on average, and a total of 3n strokes in the round. If she were to redistribute the strokes on different greens, the total number of strokes would still be 3n, and her average number of strokes per hole would remain 3.
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Building a campfire you start by stacking kindling wood to form a pentagonal pyramid that is 27 centimeters tall. the base area is 965 square centimeters. what is the volume of the campfire pyramid
The volume of the campfire pyramid is approximately 8,175 cubic centimeters. This is found by using the formula for the volume of a pyramid and plugging in the given values for the height and base area of the pentagonal pyramid.
The formula for the volume of a pyramid is
V = (1/3) * base_area * height
where V is the volume, base_area is the area of the base, and height is the height of the pyramid.
In this case, the height of the pyramid is given as 27 cm, and the base area is given as 965 square cm. To find the volume, we can plug these values into the formula
V = (1/3) * 965 cm² * 27 cm
V = 8,175 cm³
Therefore, the volume of the campfire pyramid is 8,175 cubic centimeters.
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Which measurement is closest to the circumference of circumference of the parachute in feet
The closest measurement to the circumference of the parachute in feet is 78.54 feet. The calculation was done by multiplying the radius by 2π (the constant pi, approximately equal to 3.14), which gives the circumference of a circle is 78.54 feet.
The circumference of the parachute can be calculated using the formula
C = 2πr
where r is the radius of the parachute.
Given that the radius of the parachute is 12.5 feet, we can substitute this value in the formula and calculate the circumference
C = 2πr
C = 2π(12.5)
C ≈ 78.54 feet
Therefore, the circumference of the parachute is closest to 78.54 feet.
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--The given question is incomplete, the complete question is given
" Which measurement is closest to the circumference of circumference of the parachute in feet if radius is 12.5. "--
Which best describes the scale factor for each dilation?
Dilation 1 has a scale factor
.
Dilation 2 has a scale factor
.
Dilation 3 has a scale factor
.
The statement "Dilation 2 has a scale factor 2" (option b).
Dilation is a transformation that changes the size of an object but not its shape. It is a type of transformation that enlarges or reduces an object by a certain factor called the scale factor. The scale factor is a ratio of the size of the dilated image to the size of the original image.
Now, let's talk about the scale factor for each dilation you asked about.
For dilation 1, the scale factor is 1. This means that the size of the dilated image is the same as the size of the original image. In other words, there is no change in size. This type of dilation is often referred to as the identity transformation because it doesn't change the shape or size of the original object.
For dilation 2, the scale factor is 2. This means that the size of the dilated image is twice as large as the size of the original image. In mathematical terms, if the original object has a length of 'x', then the length of the dilated image will be '2x'. Similarly, if the original object has a width of 'y', then the width of the dilated image will be '2y'.
For dilation 3, the scale factor is 3. This means that the size of the dilated image is three times as large as the size of the original image. In mathematical terms, if the original object has a length of 'x', then the length of the dilated image will be '3x'. Similarly, if the original object has a width of 'y', then the width of the dilated image will be '3y'.
Hence the correct option is (b).
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Answer:
Dilation 1 has a scale factor between 0 and 1
Dilation 2 has a scale factor greater than 1
Dilation 3 has a scale factor equal to 1
Step-by-step explanation:
A bag contains seven tiles labeled A B C D E F and G wich
One tile will be randomly picked.
What is the probability of picking a letter that is not a vowel
Calculate the slope of the curve y = x2 at the point (3,9) and the slope of the curve
x = y? at the point (9,3). There is a simple relationship between the answers, which could have been anticipated (perhaps by looking at the graphs themselves). Explain. Illustrate
the same principle with two more points on these curves, this time using a second-quadrant
point on y = x2
This relationship between slopes can be explained by the fact that the curves y = x^2 and x = y are perpendicular to each other.
To calculate the slope of the curve y = x^2 at the point (3,9), we need to take the derivative of the equation with respect to x. This gives us y' = 2x. At the point (3,9), the slope would be y'(3) = 2(3) = 6.
To calculate the slope of the curve x = y at the point (9,3), we need to rewrite the equation in terms of y. This gives us y = x, and taking the derivative of y with respect to x gives us y' = 1. So the slope at the point (9,3) would be y'(9) = 1.
The simple relationship between these answers is that they are reciprocals of each other. The slope of the curve y = x^2 at a certain point is the inverse of the slope of the curve x = y at the same point.
To illustrate this principle with two more points on these curves, let's choose a second-quadrant point on y = x^2, such as (-2,4), and a corresponding point on x = y, which would be (4,-2).
At the point (-2,4) on y = x^2, the slope would be y'(-2) = 2(-2) = -4. At the corresponding point (4,-2) on x = y, the slope would be y'(4) = 1. Again, we can see that these slopes are reciprocals of each other.
This means that the slopes of the tangent lines at any two intersecting points will always be reciprocals of each other.
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(1 point) Use the Integral Test to determine whether the infinite series is convergent. 00 n2 n=12 (n3 + 3) Fill in the corresponding integrand and the value of the improper integral. Enter inf for oo, -inf for -00, and DNE if the limit does not exist. Compare with dx = 00 By the Integral Test, 722 the infinite series n 12 (73+3) A. converges B. diverges
To use the Integral Test, we need to find an integral that is comparable to the series. We can do this by using a basic comparison test and comparing it to the p-series with p=2.
n^2 / (n^3 + 3) < n^2 / n^3 = 1/n
The series 1/n is a divergent p-series with p=1, so we can conclude that the original series is also divergent.
To find the corresponding integral, we can integrate the function 1/n^2:
∫(n=1 to ∞) 1/n^2 dn = [-1/n] (n=1 to ∞) = 1/1 - 0 = 1
Since the improper integral converges to 1, we can conclude that the infinite series is divergent by the Integral Test.
Hi there! To use the Integral Test to determine whether the given infinite series is convergent, first rewrite the series as a function:
f(x) = x^2 / (x^3 + 3)
Next, we need to check that the function is continuous, positive, and decreasing on the interval [1, ∞). This function satisfies these conditions.
Now, we will calculate the improper integral:
∫(from 1 to ∞) (x^2 / (x^3 + 3)) dx
Let's use substitution: u = x^3 + 3, so du = 3x^2 dx, and x^2 dx = (1/3)du.
Now, the integral becomes:
(1/3) ∫(from 1 to ∞) (1/u) du
This integral is the same as the integral of 1/u from 1 to ∞, which is a well-known improper integral that diverges (ln(u) evaluated from 1 to ∞ results in ∞).
Therefore, by the Integral Test, the infinite series ∑(from n=1 to ∞) (n^2 / (n^3 + 3)) diverges. So the correct answer is B. Diverges.
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Evaluate the following expression:
−8−10×(−1)+7×(−1)
What order should be followed to solve this?
Answer:
To evaluate the expression −8−10×(−1)+7×(−1), you should follow the order of operations, which is often remembered by the acronym PEMDAS (Parentheses, Exponents, Multiplication and Division, Addition and Subtraction) 1. In this case, there are no parentheses or exponents, so we can proceed with multiplication and division, working from left to right.
1. Perform the multiplication operations:
−8−10×(−1)+7×(−1)=−8+10−7
2. Perform the addition and subtraction operations, working from left to right:
−8+10−7=2−7=−5
So, the value of the expression is −5.
Solve for This and please provide step by step on how to do it please
The equation [tex]\frac{y+6}{y-1}+\frac{y-4}{y^2-y} = \frac{1}{y-1}[/tex] when solved for y is -3 ± √13
Calculating the equation for yFrom the question, we have the following parameters that can be used in our computation:
[tex]\frac{y+6}{y-1}+\frac{y-4}{y^2-y} = \frac{1}{y-1}[/tex]
Simplify the denominators
So, we have
[tex]\frac{y+6}{y-1}+\frac{y-4}{y(y-1)} = \frac{1}{y-1}[/tex]
This gives
y + 6 + (y - 4)/y = 1
Subtract 1 from both sides
y + 5 + (y - 4)/y = 0
So, we have
y² + 5y + y - 4 = 0
Evaluate
y² + 6y - 4 = 0
When solved, we have
[tex]y = \frac{-b \pm \sqrt{b^2 -4ac} }{2a}[/tex]
So, we have
[tex]y = \frac{-6 \pm \sqrt{6^2 -4(1)(-4)} }{2(1)}[/tex]
Evaluate
[tex]y = \frac{-6 \pm \sqrt{52} }{2}[/tex]
Evaluate
[tex]y = -3 \pm \sqrt{13}[/tex]
Hence, the solution is -3 ± √13
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if the spinner was spun 50 times and landed on 11 fifteen times, which statement is true?
Answer:
The last one.Because the experimental probability is 11 ÷ 50, which is 22%, and the theoretical probability is 1 ÷ 8, which is 12.5%
What is the diameter if the circumference is 11.27
The diameter of approximately 3.58.
What is the circumference of a circle?The circumference of a circle is the distance around its edge or perimeter. The diameter of a circle is the distance across it, passing through the center. These two measurements are related by the mathematical constant pi (π), which is the ratio of the circumference of any circle to its diameter.
The formula to find the diameter of a circle from its circumference is:
diameter = circumference/pi
So, if you know the circumference of a circle, you can simply divide it by pi to find the diameter. In the case of the given circumference of 11.27, dividing it by pi gives us the diameter of approximately 3.58.
It's important to note that the diameter of a circle is twice the length of its radius, which is the distance from the center of the circle to its edge. So, if you know the diameter of a circle, you can find its radius by dividing the diameter by 2:
radius = diameter / 2
In this case, the radius of the circle would be approximately 1.79 (since 3.58 / 2 = 1.79).
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Which of the following quadratics would NOT have zeros that are 5 and -7?
(1) y= (x + 12-36
(3) y = x2 + 2x - 35
(2) y = (× + 5)(x - 7)
(4) y = 2(× + 7)(× - 5)
The quadratics that would not have 5 and -7 as zeros are (1) and (3)
Identifying the quadratics that would not have 5 and -7 as zeros?From the question, we have the following parameters that can be used in our computation:
Zeros: 5 and -7
This means that
x = 5 and x = -7
Rewrite as
x - 5 = 0 and x + 7 = 0
Multiply both equation
This gives
(x - 5)(x + 7) = 0
Rewrite as
f(x) = (x - 5)(x + 7)
When expanded, we have
f(x) = x² + 2x - 35
So, we have
(2) f(x) = x² + 2x - 35
(4) f(x) = 2(x + 7)(x - 5)
Hence, the quadratics that would not have 5 and -7 as zeros are (1) and (3)
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please help ASAP (can give brainliest)
Answer:
x = 6
Step-by-step explanation:
In order for it to be a parallelogram, the 2 lines must be equal.
2x=3x-6
2x - 3x = 3x - 3x -6
-1x = -6
x = 6/1
x = 6
which function is shown in the graph below
Answer: y=log 3 x
Step-by-step explanation:
Assume that Jocoro Provincial Park occupies an area modeled by the domain D. This domain is bordered by the coordinate axes and the lines y = 60 and y = 180 - 2x (where units are in kilometers). Futhermore, assume that snow depth measurements (in meters) were taken over the park on April 15 and that the depth measurements are modeled by the function d(x, y) = -0.024x + 0,012y + 1.2. Estimate the volume of the snowpack in the park in cubic meters. (Give your answer as a whole or exact number.) V= ____billion m
The estimated volume of the snowpack in the park is approximately 1.94 billion cubic meters.
To estimate the volume of the snowpack in the park, we need to calculate a double integral of the function d(x, y) over the domain D:
V = ∬_D d(x, y) dA
We can evaluate this integral by using iterated integrals. First, we integrate with respect to x over the interval [0, 30] (since the line y = 180 - 2x intersects the x-axis at x = 90):
V = ∫_0^30 (∫_0^(180-2x) (-0.024x + 0.012y + 1.2) dy) dx
Simplifying the inner integral:
V = ∫_0^30 [-0.024xy + 0.006y^2 + 1.2y]_0^(180-2x) dx
V = ∫_0^30 (-0.432x^2 + 21.6x - 5832) dx
Simplifying the integral:
V = [-0.144x^3 + 10.8x^2 - 5832x]_0^30
V = -0.144(30)^3 + 10.8(30)^2 - 5832(30)
V = 1.942592 billion cubic meters (rounded to nine decimal places)
Therefore, the estimated volume of the snowpack in the park is approximately 1.94 billion cubic meters.
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Victor drew trapezoid PQRS on a
coordinate plane. The coordinates of each
vertex are:
P(8,4) Q(10, 4) R(13,-1) S(8,-1)
ion
What is the length, in units, of side PS?
A. 2
B. 3
C. 4
D. 5
The coordinates of each vertex are: P(8,4) Q(10, 4) R(13,-1) S(8,-1) then the length of side PS is 0 units.
Side PS is the bottom base of trapezoid PQRS. To find its length, we need to calculate the horizontal distance between the x-coordinates of points P and S.
The x-coordinate of point P is 8, and the x-coordinate of point S is also 8. Therefore, the horizontal distance between these two points is 0. So, the length of side PS is 0 units.
The answer is (A) 2 is not correct because the length of side PS cannot be negative or less than zero, and the length of the other base of the trapezoid (QR) is 2 units, which is not equal to the length of side PS.
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The greenery landscaping company puts in an order for 2 pine trees and 5 hydrangea bushes for a neighborhood project. the order costs $150. they put in a second order for 3 pine trees and 4 hydrangea bushes that cost $144. 50.
what is the cost for one pine tree?
$: ?
The cost of one pine tree is $17.50.
To find the cost of one pine tree, we can use the information provided about the orders from the Greenery Landscaping Company. We have the following two equations:
1) 2P + 5H = $150 (2 pine trees and 5 hydrangea bushes)
2) 3P + 4H = $144.50 (3 pine trees and 4 hydrangea bushes)
Now, let's solve these equations using the substitution or elimination method. Here, we'll use the elimination method.
Step 1: Multiply the first equation by 3 and the second equation by 2 to make the coefficients of H the same:
1) 6P + 15H = $450
2) 6P + 8H = $289
Step 2: Subtract the second equation from the first equation:
(6P + 15H) - (6P + 8H) = $450 - $289
0P + 7H = $161
Step 3: Divide by 7 to find the cost of one hydrangea bush (H):
H = $161 / 7
H = $23
Step 4: Substitute the value of H back into one of the original equations to find the cost of one pine tree (P). We'll use the first equation:
2P + 5($23) = $150
2P + $115 = $150
Step 5: Subtract $115 from both sides of the equation:
2P = $35
Step 6: Divide by 2 to find the cost of one pine tree (P):
P = $35 / 2
P = $17.50
So, the cost of one pine tree is $17.50.
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please i need answer to this Asap. Only question A, B, C, E . With solution Asap
Answer:
Solve for these and you'll find it! :D (Surface Area for all)
The answer is:
A: 6(12)^2 (it's a cube)
B: 2(6.4 x 15.2 + 15.2 x 10.5 + 6.4 x 10.5) (it's a rectangular prism)
C: 6(3x - 1)^2 (it's a cube)
D: 2(pi)(radius)(height) + 2(pi)(radius^2) (it's a cylinder)
As a general guideline, the research hypothesis should be stated as the:.
As a general guideline, the research hypothesis should be stated as the alternative hypothesis, which is the statement that researchers are trying to support or prove.
The research hypothesis is a statement that describes the expected relationship between variables or the expected difference between groups in a research study. It should be based on a clear and specific research question, and it should be testable using appropriate statistical methods.
In other words, the research hypothesis should be a clear and concise statement that proposes a relationship or difference between variables that can be tested through data analysis. It should also be framed in a way that allows for the rejection or acceptance of the hypothesis based on the results of the study.
The null hypothesis, on the other hand, is the statement that there is no significant relationship or difference between variables. It serves as the default assumption until evidence is provided to support the alternative hypothesis.
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A research hypothesis should be stated as the predicted outcome of the study. It's often a declarative sentence that shows the relationship between variables in a study. The research hypothesis is often contrasted with a null hypothesis, which claims no significant relationship between the study's variables.
Explanation:A Research HypothesisIn general, a research hypothesis should be stated as the predicted outcome of the study. A research hypothesis is usually written in a declarative sentence format and states the relationship between variables in the study. For example, if your research is about studying the impact of amount of study time on test scores, your hypothesis could be: 'Students who spend more time studying will have higher test scores.'
The research hypothesis is often contrasted with a null hypothesis, which states there will be no significant relationship between the study's variables. In our example, the null hypothesis would be: 'The amount of study time will not impact the test scores significantly.' Remember, a research hypothesis should always be testable through research methods.
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Kay invests £1500 in an account paying 3% compound interest per year.
Neil invests £1500 in an account paying r% simple interest per year.
At the end of the 5th year, Kay and Neil’s account both contain the same amount of money
Calculate r.
Give your answer correct to 1 decimal place
The rate of interest that Neil gets, r%, comes out to be 3.18%
Compound interest is calculated as follows:
A = P[tex](1+r)^t[/tex]
where A is the amount
P is the principal
r is the rate of interest
t is the time
Simple interest can be calculated as:
A = P (1 + r * t)
where A is the amount
P is the principal
r is the rate of interest
t is the time
For Kay,
P = £1500
t = 5 years
r = 3% compound annually
A = 1500 [tex](1+0.03)^5[/tex]
= 1500 * [tex]1.03^5[/tex]
= £ 1,738.91
For Neil,
P = £1500
t = 5 years
r = r% simple interest
According to the question,
A = 1738.91
1500 ( 1 + r * 5) = 1738.91
1 + 5r = 1.159
5r = 0.159
r = 0.0318
r% = 3.18%
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Aiden gave each member of his family a playlist of random songs to listen to and asked them to rate each song between 0 and 10. He compared his family’s ratings with the release year of each song and created the following scatterplot:
What would the linear equation be?
The linear equation from the given scatterplot will be y = -0.1x + 9.
On the given scatterplot we have the song released details on the x-axis and the average rating of the songs by the family members on the y-axis.
To get the linear equation from the given scatterplot we have to find the y-intercept of the equation.
The general form of the equation is y = mx + c
here, m is the slope and c is the y-intercept.
By, the given graph we can say that y is intercepting at the value '9'. So, the y-intercept is 9.
To find the slope we have to take two points,
Let's take two points as (1970, 7) and (1990, 5).
From the points slope = (5-7)/(1990-1970)
= -2/20 = -1/10 = -0.1
So, the equation from the given scatterplot is y = mx+c
So, y = -0.1x + 9.
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In a 2 digit number the tens digit is 5 less than the units digit. The number itself is 5 more tha 3 times the sum of its digits. What is the number
Answer:
Step-by-step explanation:
(2-5)3=-9. (-9)5 =-45
In the driest part of an Outback ranch, each cow needs about 40 acres for grazing. Use an equation to find how many cows can graze on 720 acres of land.
The calculated value of the number of cows that can graze on 720 acres of land is 18
From the question, the statements that can be used in our computation are given as
The area of grazing needed by each cow is 40 acres
From the above statement, the equation to use is
Cows = Area of land/Unit rate of cows
By substituting the given values in the above equation, we have the following equation
Cows = 720/40
Evaluate
Cows = 18
Hence, the calculated number of cows is 18
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Which equation best represents the line of best fit for the scatterplot?a) y = 2.5x + 25 b) y = −2.5x + 20 c) y = −0.05x + 20 d) y = −0.005x + 22.5
The equation of the line representing that best fit the given scatterplot is given by option d. y = -0.005x + 22.5.
Consider the two points from the attached scatterplot.
Let the coordinates of the two point be ( x₁ , y₁) = ( 1500 , 12.5 )
And other point be ( x₂ , y₂) = ( 2000 , 10 )
Slope of the line 'm' = ( y₂ - y₁ ) / ( x₂ - x₁ )
= ( 10 - 12.5) / ( 2000 - 1500 )
= -2.5 / 500
= -0.005
From the attached scatterplot we have,
y-intercept 'c' where x = 0 is equals to 22.5.
The equation best which represents the line of best fit for the scatterplot is equals to,
y = mx + c
Substitute the value we have,
y = -0.005x + 22.5
Therefore, the equation of the line representing scatterplot is equals to option d. y = -0.005x + 22.5.
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The above question is incomplete, the complete question is:
Which equation best represents the line of best fit for the scatterplot?
a) y = 2.5x + 25 b) y = −2.5x + 20 c) y = −0.05x + 20 d) y = −0.005x + 22.5
Attached scatterplot.
Create a table of values for the function y=x² - 4x + 12 for the domain {-2,-1,0,1}. What is the value of f¹(12)?
Answer:
f¹(12) = 20
Step-by-step explanation:
f(-2) = 24
f(-1) = 17
f(0) = 12
f(1) = 9
f¹(x) = 2x - 4
f¹(12) = 20
Find an equation of the circle drawn below.
Answer: x² + y²=6.25²
Step-by-step explanation:
Formula for a circle:
(x-h)²+(y-k)²=r²
where (h, k) is the center yours: (0,0)
r is the raidus r=6.25
Plug in:
x² + y²=6.25²
