The required answer is a possible scenario where BC (c) is less than AC * sin(angle A)
To justify if it is possible to have BC < AC sin(angle A) for an acute triangle ABC, let's consider the sine formula for a triangle.
The sine formula for a triangle states that:
a/sin(A) = b/sin(B) = c/sin(C)
where a, b, and c are the lengths of the sides of the triangle, and A, B, and C are the angles opposite to those sides, respectively.
Now let's isolate side BC (b) in the equation:
b = c * sin(B) / sin(C)
Since triangle ABC is acute, all angles A, B, and C are less than 90°. Therefore, sin(B) and sin(C) will be positive values between 0 and 1.
Let's now compare BC (b) to ACsin(angle A):
b < AC * sin(A)
c * sin(B) / sin(C) < AC * sin(A)
We can rewrite the inequality in terms of angle C:
sin(B) / sin(C) < (AC * sin(A)) / c
Now let's recall that angle C is the angle opposite to side AC (c), and angle B is the angle opposite to side BC (b). Since sine is a positive increasing function for acute angles (0° to 90°), it follows that the sine of a larger angle will result in a larger value.
As angle C is opposite to the longer side (AC), angle C > angle B. Therefore, sin(C) > sin(B), and their reciprocals will have the opposite relationship:
1 / sin(C) < 1 / sin(B)
Now, let's multiply both sides of the inequality by c * sin(B):
c < AC * sin(A)
This inequality represents a possible scenario where BC (c) is less than AC * sin(angle A), justifying the initial claim. So, yes, it is possible to have BC < AC sin(angle A) for an acute triangle ABC.
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(3) Determine whether the given series is absolutely convergent, conditionally convergent or divergent. Justify your answer. 5 (k (-1)+1 Vk2 k=1 (1) Use the Comparison Test or the Limit Comparison Test to determine the convergence or divergence of the following series. Justify your answer. 1 zVk vk-1 k=2
The given series are in conditionally convergent
To determine whether the given series is absolutely convergent, conditionally convergent, or divergent, we will use the Comparison Test.
Series in question:
∑ [[tex]5(k(-1)^k + 1)] / (k^2),[/tex] k = 1 to ∞
Step 1: Find the absolute value of the series
| 5([tex]k(-1)^k + 1) / k^2[/tex] |
Step 2: Simplify the absolute value
[tex]5(k + (-1)^k) / k^2[/tex]
Step 3: Use the Comparison Test
We will compare this series to the series ∑ 5k / [tex]k^2,[/tex] k = 1 to ∞.
Since [tex](-1)^k[/tex] is always either 1 or -1, we know that [tex]5(k + (-1)^k) / k^2 \leq 5k / k^2.[/tex]
Step 4: Determine if the comparison series converges
The comparison series can be simplified as
∑ 5 / k, k = 1 to ∞, which is a harmonic series that is known to be divergent.
Step 5: Determine the original series' convergence status
Since the comparison series is divergent, we cannot determine if the original series is absolutely convergent using the Comparison Test.
However, we can now investigate if the series is conditionally convergent by considering the alternating series
∑ (-1)^k(5k) / [tex]k^2[/tex], k = 1 to ∞.
Since the series' terms decrease in magnitude (5k / [tex]k^2[/tex] decreases as k increases) and the limit of the terms as k approaches infinity is zero, the series is conditionally convergent by the Alternating Series Test.
In conclusion, the given series is conditionally convergent.
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You put $4500 into an account earning 6% interest compounded annually.
Write an equation to model the situation
The equation of this model situation with $4500 into an account earning 6% interest compounded annually is 4500(1.06)ᵗ.
The equation to model the situation would be:
A = P(1 + r/n)ⁿᵗ
where A is the amount of money in the account after t years, P is the initial investment (which is $4500), r is the interest rate (which is 6% or 0.06 as a decimal), n is the number of times the interest is compounded per year (in this case, annually), and t is the number of years.
Plugging in the values, the equation becomes:
A = 4500(1 + 0.06/1)ⁿᵗ
Simplifying further, it becomes:
A = 4500(1.06)ᵗ
This equation can be used to find the amount of money in the account after any number of years.
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(My question has a part A and part B)
The salesperson earns a 5%
commission on the first $5000
she has in sales. • The salesperson earns a 7. 5%
commission on the amount of her sales that are greater than.
Part A
This month the salesperson had $1,375
in sales. What amount of commission, in dollars, did she earn?
A) The total commission she earned is $475
B) Total sales for commission of $1375 is $20000
How to calculate the amount of commission?A) Total Commission = Commission 1+ Commission 2
Where:
Commission 1 = 5% of first $5000
Commission 2 = 7.5% of the amount left after $5000 is subtracted
thus
Commission 1 = $5000 * 0.05 = $250
Commission 2= $3000 * 0.075 = $225
Commission total = $250 + $225 = $475
The total commission she earned is $475
B) Total sales = Sales with 5% commission + Sales with 7.5% commission
Sales with 5% commission = $5000
Commission At 7.5% = Total commission -Commission with 5% = $1375 - $250
Sales * 0.075 = $1125
Sales with 7.5% commission = $15000
Total sales = $5000+$15000
Total sales = $20000
Total sales for commission of $1375 is $20000
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Complete question is:
A salesperson earns commission on the sales that she makes each month. The salesperson earns a 5% commission on the first $5,000 she has in sales.
The salesperson earns a 7.5% commission on the amount on her sales that are greater than $5,000.
Part A:
This month the salesperson had $8,000 in sales. What amount of commission, in dollars, did she earn?
Part B:
The salesperson earned $1,375 in commission, last month. How much money, in dollars, did she have in sales last month?
The x-value of which funtion's y-intercept is larger, f or h? justify your answer.
The function with the larger y-intercept is h, because it intersects the y-axis at a higher point than f.
How to determine larger y-intercept?To determine which function, f or h, has a larger y-intercept, we need to look at the graphs of the two functions. From the graph, we can see that function h has a larger y-intercept than function f.
The y-intercept of function h is approximately 4, while the y-intercept of function f is approximately 2. Therefore, we can conclude that the x-value of function h's y-intercept is larger than that of function f.
This is because the y-intercept of a function is the point at which it intersects with the y-axis, and the value of the x-coordinate at that point determines the x-value of the y-intercept.
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The agnews have $52,031 in disposable income their expenses are $39,826 how much less is their annual expenses than their disposable income?
The Agnews' annual expenses are $12,205 less than their disposable income.
What is disposable income?The amount of money a person or family has available to spend or save after paying taxes and other necessary costs like rent or mortgage payments, utilities, and insurance premiums is known as disposable income.
It stands for the money that is left over after taxes for discretionary expenses, such as savings or hobbies or amusement.
The Agnews' annual expenses are $39,826, and their disposable income is $52,031. To find out how much less their annual expenses are than their disposable income, we can subtract their annual expenses from their disposable income:
$52,031 - $39,826 = $12,205
Therefore, the Agnews' annual expenses are $12,205 less than their disposable income.
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The wheel of a compact car has 33-in. Diameter. The wheel of a pickup truck has a 19-in. Radius.
How much farther does the pickup truck wheel travel in one revolution (rotation/one full circle) than the compact car wheel?
The pickup truck wheel travels 37.7 inches farther in one revolution than the compact car wheel.
How to find the diameter?The distance traveled by a wheel in one revolution is directly proportional to the diameter of the wheel.
Since the diameter of the compact car wheel is 33 inches, its circumference (the distance traveled in one revolution) is 103.67 inches (C = πd). On the other hand, the radius of the pickup truck wheel is 19 inches, making its diameter 38 inches and its circumference 119.38 inches.
Therefore, the pickup truck wheel travels 15.71 inches more in one revolution than the compact car wheel (119.38 - 103.67 = 15.71). However, the question asks for the distance in inches farther, which means we need to subtract the circumference of the compact car wheel from that of the pickup truck wheel.
Hence, the answer is 37.7 inches (2 × 15.71 + 2 × 103.67 = 241.76 - 204.06 = 37.7).
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A group of friends wants to go to the amusement park. They have no more than $
365 to spend on parking and admission. Parking is $16. 25, and tickets cost $38. 75 per person, including tax. Write and solve an inequality which can be used to determine p, the number of people who can go to the amusement park.
The group of friends can consist of at most 9 people, given the budget constraint and pricing can go to the amusement park.
The inequality to determine the number of people who can go to the amusement park can be written as: 38.75p + 16.25 ≤ 365.
Where p represents the number of people and the left-hand side of the inequality represents the total cost of admission and parking for p people.
The inequality is set up such that the total cost cannot exceed the given budget of $365.
To solve this inequality, we can first subtract 16.25 from both sides: 38.75p ≤ 348.75. Then, divide both sides by 38.75: p ≤ 9
To determine the maximum number of people who can go to the amusement park with a given budget,
we can write and solve an inequality based on the cost of parking and admission per person.
In this case, the inequality is 38.75p + 16.25 ≤ 365, and the solution is p ≤ 9.
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Show that the series Σα) f(n)/2n^3 - 1 n converges regardless of the rule for f.
To show that the series Σα) f(n)/2n^3 - 1 n converges regardless of the rule for f, we can use the Comparison Test. Let's choose a series that is easier to compare to, such as Σ(1/2n^3).
First, note that 0 ≤ f(n) ≤ 1 for all n, since f is a function that is not negative and bounded by 1. Thus, we have: 0 ≤ f(n)/2n^3 - 1 n ≤ 1/2n^3, Now, we can compare the given series to the series Σ(1/2n^3) using the Comparison Test. Since 0 ≤ f(n)/2n^3 - 1 n ≤ 1/2n^3 for all n, we know that: 0 ≤ Σα) f(n)/2n^3 - 1 n ≤ Σ(1/2n^3), The series Σ(1/2n^3) is a convergent p-series with p = 3 > 1, so by the Comparison Test, the given series Σα) f(n)/2n^3 - 1 n also converges. Therefore, we have shown that the series Σα) f(n)/2n^3 - 1 n converges regardless of the rule for f.
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Calculate the value of X. C is the center of the circle.
Answer: x=84
Step-by-step explanation:
It should be 84, since the arc is twice the size of angle ADB. Hopefully that makes sense
This is what I need help withhh helppppppp
The missing measures are given as follows:
OM = 46.PN = 23.ON = 32.5.MN = 32.5.What is the Pythagorean Theorem?The Pythagorean Theorem states that in a right-angled triangle, the square of the length of the hypotenuse (the longest side) is equal to the sum of the squares of the lengths of the other two sides.
The theorem is expressed as follows:
c² = a² + b².
In which:
c is the length of the hypotenuse.a and b are the lengths of the other two sides (the legs) of the right-angled triangle.The diagonal length is given as follows:
LN = OM = 46.
Half the diagonal is of:
PN = 0.5 x 46
PN = 23.
The diagonal is the hypotenuse of a right triangle of sides ON = MN = x, hence:
x² + x² = 46²
x² = 1058
[tex]x = \sqrt{1058}[/tex]
x = 32.5.
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The value of your stock investment decreased by 23% after a stock market crash. What percentage increase in value would the stocks have to rise in order to return to the value they were before the stock market crash? Round your answer to the nearest tenth of a percent
The stocks would need to increase in value by 23% to return to their original value. Rounding to the nearest tenth of a percent, the answer is 23.0%.
Let x be the percentage increase in the value of the stocks needed to return to their original value. Since the value of the stocks decreased by 23%, the new value of the stocks is 100% - 23% = 77% of the original value.
Therefore, we can set up the equation:
(100% + x%) = (77%)*(100%)
Simplifying this equation, we get:
100% + x% = 77%
x% = 77% - 100%
x% = -23%
Since we want to find the percentage increase, we need to take the absolute value of -23%, which is 23%.
Therefore, the stocks would need to increase in value by 23% to return to their original value. Rounding to the nearest tenth of a percent, the answer is 23.0%.
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what is the vertical distance between (7, -22) to (7, 12)?
-34
-10
34
10
The vertical distance between (7, -22) and (7, 12) is 34 units.
Explanation:
We can calculate the vertical distance by finding the difference between the y-coordinates of the two points.
Vertical distance = difference in y-coordinates = 12 - (-22) = 34
Therefore, the vertical distance between the two points is 34 units.
How to solve for angle W
The measure of angle W is 30 degrees.
What is the measure of angle W?The figure in the image is a right triangle.
Angle W = ?
Adjacent to angle W = 12
Opposite to angle W = 4√3
To determine the measure of angle W, we use the trigonometric ratio.
Note that: tangent = opposite / adjacent
Plug in the values:
tan(W) = 4√3 / 12
Take the tan inverse
W = tan⁻¹( 4√3 / 12 )
W = 30°
Therefore, angle W measure 30 degrees.
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Inga is solving 2x2 + 12x – 3 = 0. Which steps could she use to solve the quadratic equation? Select three options.
[tex]$x+3= \pm \sqrt{\frac{21}{2}}$[/tex] Thus, option D is correct.
What is the quadratic equation?the quadratic equation [tex]2x^2+12x-3=0$ is \ $x = \frac{-6 \pm \sqrt{42}}{2}[/tex], which simplifies to [tex]$x = -3 \pm \frac{\sqrt{42}}{2}$.[/tex]
However, the three options listed are the steps that Inga could use to solve the quadratic equation, and only three of them are correct. The correct options are:
[tex]$2\left(x^2+6 x\right)=-3$[/tex]
[tex]$2\left(x^2+6 x\right)=3$[/tex]
[tex]$x+3= \pm \sqrt{\frac{21}{2}}$[/tex]
Option 1 is the result of dividing both sides of the original equation by 2, which simplifies the coefficients.
Option 2 is the result of adding $\frac{3}{2}$ to both sides of the equation to isolate the quadratic terms. Option 3 is the final step, where the equation is solved for $x$ by completing the square and taking the square root of both sides.
Therefore, it is not one of the three steps that Inga could use to solve the quadratic equation. [tex]$x+3= \pm \sqrt{\frac{21}{2}}$[/tex]
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Inga is solving [tex]$2 x^2+12 x-3=0$.[/tex] Which steps could she use to solve the quadratic equation? Select three options.
[tex]$2\left(x^2+6 x+9\right)=3+18$[/tex]
[tex]$2\left(x^2+6 x\right)=-3$[/tex]
[tex]$2\left(x^2+6 x\right)=3$[/tex]
[tex]$x+3= \pm \sqrt{\frac{21}{2}}$[/tex]
Problem 1. (5 points): Evaluate the double integral by first identifying it as the volume of a solid. S SCH (4 - 2y) dA, R= [0, 1] x [0, 1] -
To evaluate the double integral, we first identify it as the volume of a solid. The integrand, S SCH (4 - 2y), represents the height of the solid at each point (x, y) in the region R=[0, 1] x [0, 1].
Therefore, the integral represents the volume of the solid over region R. We can evaluate the integral using Fubini's theorem or by changing the order of integration.
Using Fubini's theorem, we first integrate with respect to y from 0 to 1, then integrate with respect to x from 0 to 1:
∫[0,1]∫[0,1]S SCH (4-2y) dA = ∫[0,1]∫[0,1]S SCH (4-2y) dxdy
= ∫[0,1] [(4-2y)∫[0,1]S SCH dx]dy
= ∫[0,1] [(4-2y)(1-0)]dy
= ∫[0,1] (4-2y)dy
= 4y-y^2/2 | from 0 to 1
= 4-2-0
= 2
Therefore, the double integral is equal to 2, which represents the volume of the solid over the region R=[0, 1] x [0, 1].
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is the function f(x)=-x^(2)-8x+19 minimum or maximum value
Answer:
minimum
Step-by-step explanation:
Isaiah has a points card for a movie theater.
⢠He receives 75 rewards points just for signing up.
⢠He earns 6. 5 points for each visit to the movie theater.
⢠He needs at least 140 points for a free movie ticket.
Write and solve an inequality which can be used to determine x, the number of visits
Isaiah can make to earn his first free movie ticket.

Isaiah needs to make at least 10 visits to the movie theater to earn his first free movie ticket.
How to find Isaiah's required visits?To determine the number of visits Isaiah needs to earn his first free movie ticket, we can use an inequality. Let x be the number of visits he needs to make.
Isaiah earns 6.5 points for each visit, so the total points he earns after x visits is 6.5x.
He also received 75 points just for signing up, so the total number of points he has is 75 + 6.5x.
To earn a free movie ticket, he needs at least 140 points, so we can write the inequality:
75 + 6.5x ≥ 140
Simplifying this inequality, we get:
6.5x ≥ 65
x ≥ 10
Therefore, Isaiah needs to make at least 10 visits to the movie theater to earn his first free movie ticket.
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Which expression is equivalent to 24+30?
A. 6(4+5)
B. 6(4+6)
C. 8(3+4)
D. 8(3+12)
Please i need an answer to this
Answer:
A
Step-by-step explanation:
6x4 = 24
6x5 = 30
24+30
:)
Answer:
A.) 6(4+5)
Step-by-step explanation:
*Solve the parenthesis first: 4+5 = 9
*Next, multiply 6×9= 54
The mean of a continuous uniform distribution is simply the average of the upper and lower limits of the interval on which the distribution is defined. true or false
True. In a continuous uniform distribution, all values within a specified interval are equally likely to occur. The mean or expected value of this distribution can be found by taking the average of the upper and lower limits of the interval.
This can be represented mathematically as (a+b)/2, where a and b are the lower and upper limits of the interval. For example, if we have a continuous uniform distribution on the interval [0,10], the mean value would be (0+10)/2 = 5.
This means that on average, we would expect a randomly selected value from this distribution to be around 5. It's important to note that the mean of a continuous uniform distribution is not affected by the shape or spread of the distribution, as all values have an equal chance of occurring.
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Airline passengers pay $439 to fly to california. for this price, customers may check 2 pieces of luggage. there is a fee of $25 for each additional piece of luggage a passenger wants to check. which function can be used to find the amount in dollars a passenger has to pay to fly with p pieces of luggage, where p >2
The function that can be used to find the amount in dollars a passenger has to pay to fly with `p` pieces of luggage, where `p > 2` is: `C(p) = 439 + 25(p-2)`
- The base cost of the flight is $439.
- Customers may check 2 pieces of luggage without any additional fee.
- For each additional piece of luggage beyond 2, there is a fee of $25.
- If `p` is the number of pieces of luggage checked, then the number of additional pieces of luggage beyond 2 is `p - 2`.
- Therefore, the additional fee for `p` pieces of luggage beyond the first 2 is `25(p - 2)`.
- Adding this fee to the base cost gives the total cost `C(p)`:
C(p) = base cost + additional fee for (p-2) pieces of luggage
= 439 + 25(p-2)
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The path the rover travels out of the crater is a distance of 180 meters and covers a vertical distance of 65 meters
Determine the angle of elevation of the rover to the nearest thousandth of a degree.
The angle of elevation of the rover to the nearest thousandth of a degree is 19.173 degrees.
The angle of elevation is the angle between the horizontal and the line of sight from the observer to the object being observed. In this case, the object is the rover and the observer is at the bottom of the crater.
We can use the trigonometric function tangent to find the angle of elevation:
tan(angle) = opposite / adjacent
where opposite is the vertical distance (65 meters) and adjacent is the horizontal distance (180 meters).
tan(angle) = 65 / 180
angle = arctan(65 / 180)
Using a calculator, we get:
angle = 19.173 degrees
Therefore, the angle of elevation of the rover to the nearest thousandth of a degree is 19.173 degrees.
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Which of the following is the graph of y = StartFraction 1 Over x + 2 EndFraction + 1?
Based on the information provided, the one that is the correct graph is "On a coordinate plane, 2 curves are shown. Both curves have an asymptote at x = 2..." (option 2).
How to identify the correct graph?The graph of y = StartFraction 1 Over x + 2 EndFraction + 1 is the second option described: On a coordinate plane, 2 curves are shown. Both curves have an asymptote at x = 2. One curve opens up and to the right in quadrants 1 and 4. It crosses the x-axis at (3, 0). The other curve opens down and to the left and it crosses the y-axis at (0, negative 1.5).
This graph has a vertical asymptote at x = 2 and a horizontal asymptote at y = 1. It is a hyperbola that opens up and to the right in quadrants 1 and 4. The curve crosses the x-axis at x = 3, which means that when y = 0, x = 3. The other curve opens down and to the left and it crosses the y-axis at y = -1.5, which means that when x = 0, y = -1.5.
Note: This question is incomplete; here is the complete question:
Which of the following is the graph of y = StartFraction 1 Over x + 2 EndFraction + 1?
On a coordinate plane, 2 curves are shown. Both curves have an asymptote at x = 2. One curve opens up and to the right in quadrant 1. The other curve opens down and to the left and it crosses the x-axis at (1, 0).
On a coordinate plane, 2 curves are shown. Both curves have an asymptote at x = 2. One curve opens up and to the right in quadrants 1 and 4. It crosses the x-axis at (3, 0). The other curve opens down and to the left and it crosses the y-axis at (0, negative 1.5).
On a coordinate plane, 2 curves are shown. Both curves have an asymptote at x = negative 2. One curve opens up and to the right in quadrants 1 and 2. It crosses the y-axis at (0, 1.5). The other curve opens down and to the left and it crosses the x-axis at (negative 3, 0).
On a coordinate plane, 2 curves are shown. Both curves have an asymptote at x = negative 2. One curve opens up and to the right in quadrants 1, 2, and 4. It crosses the x-axis at (negative 1, 0). The other curve opens down and to the left in quadrant 3.
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Suppose that a cylinder has a radius of r units, and that the height of the cylinder is also r units.The lateral area of the cylinder is 98 v square units.
Find the value of r. type your answer.....
units
Find the surface area of the cylinder to the nearest tenth. type your answer....
units
r = 4.0 units
Given that,
A cylinder has a radius of r units, and that the height of the cylinder is also r units.
The lateral area of the cylinder is 98 square units.
We need to find the value of r.
The formula for the lateral area of the cylinder is given by:
[tex]\text{A}=2\pi \text{rh}[/tex]
Put all the values,
[tex]2\pi \text{rh}=98[/tex]
[tex]\text{r}=\sqrt{\dfrac{98}{2\pi} }[/tex]
[tex]\text{r}=4.0 \ \text{units}[/tex]
So, the value of r is equal to 4.0 units.
6. Torrence wants to remodel his studio apartment. The first thing he is going to do is replace the
floors in the living space and kitchen (not the closet or bathroom)
24
Living Space
101
200
31
71
38
closet
HD
kitchen
bathroom
61
a How many square feet of flooring will Torrence need to buy?
Torrence needs to buy 468 square feet of flooring for his remodeling project.
To calculate the total square feet of flooring needed, we first need to find the area of the living space and the kitchen. The dimensions given for the living space are 24x10, while the kitchen dimensions are 12x13.
1: Calculate the area of the living space.
Area = Length x Width
Area = 24 x 10
Area = 240 square feet
2: Calculate the area of the kitchen.
Area = Length x Width
Area = 12 x 13
Area = 156 square feet
3: Add the areas of the living space and kitchen to find the total square footage.
Total Area = Living Space Area + Kitchen Area
Total Area = 240 + 156
Total Area = 468 square feet
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Roll two fair dice. find p(a |b) where a stands from sum of the two faces is 10 and b stands for two dice are showing different faces. [a] (reduced fraction)
The probability in the two fair dice problem is given as [tex]P(A|B) = 1/6[/tex].
How to calculate probability in the two fair dice problem?To find [tex]P(A|B)[/tex], we first need to find [tex]P(B)[/tex], which is the probability that two dice are showing different faces.
The total number of possible outcomes when rolling two dice is [tex]6x6 = 36[/tex]. Out of these [tex]36[/tex] possible outcomes, there are [tex]6[/tex] outcomes where both dice show the same face (e.g., both dice show a 1). Therefore, there are [tex]36-6=30[/tex] outcomes where two dice show different faces.
Hence, P(B) = [tex]30/36 = 5/6[/tex].
Next, we need to find the probability of A and B occurring together, i.e., P(A and B).
The possible pairs of faces that add up to 10 are [tex](4,6), (6,4),[/tex] and [tex](5,5)[/tex]. Each of these pairs can occur in 2 ways (e.g., the pair [tex](4,6)[/tex] can occur as [tex](4,6) or (6,4))[/tex]. Therefore, there are 6 ways in total for the sum of two dice to be 10.
Out of these 6 outcomes, only one outcome (the pair (5,5)) violates condition B (i.e., both dice showing the same face). Therefore, there are [tex]6-1=5[/tex] outcomes where the sum of the two dice is 10 and the two dice show different faces.
Hence, P(A and B) [tex]= 5/36[/tex].
Using the formula for conditional probability, we can find P(A|B) as:
[tex]P(A|B) = P(A and B) / P(B) = (5/36) / (5/6) = 1/6.[/tex]
Therefore, [tex]P(A|B) = 1/6[/tex], which is the required probability.
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When estimating population parameters, a point estimate is: group of answer choices the population mean a statistic that estimates a population parameter a range of possible values for a population parameter always equal to a population value
When estimating population parameters, a point estimate is: a population parameter
What is a point estimatePoint estimates are statistical estimates used to approximate population parameters such as mean, proportion or variance that remain unknown.
They provide one value as an approximation for unknown parameters in a population sample that may or may not match up exactly with true population value; nevertheless they serve as reasonable approximations.
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Select the best real-world situation that can be represented by 12 + c = 13. 50
Adding 12 apples to a basket initially containing c apples results in a total of 13.50 apples.
How can a real-world situation be represented by the equation 12 + c = 13.50?
The equation 12 + c = 13.50 can represent a real-world situation of purchasing items at a store and calculating the total cost. In this scenario, let's assume that 12 represents the price of a particular item, and c represents the additional cost, such as taxes or fees.
The equation states that when the additional cost is added to the base price of 12, the total cost becomes 13.50. This can occur when there is a sales tax or an additional charge applied to the base price. By solving the equation for c, we find that the additional cost is 1.50.
Therefore, in this situation, the real-world interpretation is that the item costs 12 dollars, and the additional cost, such as taxes, is 1.50 dollars, resulting in a total cost of 13.50 dollars.
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Tickets for all of the described charity raffle games cost $2 per ticket. identify the games in which a person who buys a ticket for each game every day for the next 400 days could expect to lose less than a total of $200.
Using the expected value formula the person should buy tickets for games 2 and 4, for all of the described charity raffle games cost $2 per ticket.
We can use the expected value formula to calculate the amount a person can expect to lose for each game. Let's denote the games as A, B, C, and D.
Game A: The probability of winning is 1/500, and the prize is $500. The expected value of a single ticket is (1/500)($500) - $2 = -$0.60, which means a person can expect to lose $0.60 for every ticket they buy.Game B: The probability of winning is 1/200, and the prize is $100. The expected value of a single ticket is (1/200)($100) - $2 = -$1, which means a person can expect to lose $1 for every ticket they buy.Game C: The probability of winning is 1/100, and the prize is $50. The expected value of a single ticket is (1/100)($50) - $2 = -$1.50, which means a person can expect to lose $1.50 for every ticket they buy.Game D: The probability of winning is 1/50, and the prize is $20. The expected value of a single ticket is (1/50)($20) - $2 = -$1.60, which means a person can expect to lose $1.60 for every ticket they buy.To find the total amount a person can expect to lose after buying one ticket for each game every day for the next 400 days, we can simply multiply the expected value of each game by 400, and then add them up:
Expected loss from Game A = -$0.60 x 400 = -$240Expected loss from Game B = -$1 x 400 = -$400Expected loss from Game C = -$1.50 x 400 = -$600Expected loss from Game D = -$1.60 x 400 = -$640Total expected loss = -$240 - $400 - $600 - $640 = -$1880Since the total expected loss is less than $200, a person who buys a ticket for each game every day for the next 400 days could expect to lose less than $200 by playing games A, B, and C. Game D is not a good choice, as a person could expect to lose more than $200 by playing that game alone.
Therefore, the answer is games A, B, and C.
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7) A tree casts a shadow that is 10 feet long. 5 foot woman standing nearby casts a shadow that is 4 feet long. How tall is the tree?
Answer:
12.5 ft
Step-by-step explanation:
x/10=5/4
4x=5(10)
4x=50
x=12.5
Term 1: 1 + 1×4 = 5 Term 2: 1 + 2x4 = 9 Term 3: 1 + 3x4 = 13 1.4.1. Term 4: 144x4 = 17 1.4.2. Term 5: 1 +5XL = 21 1.4.3. Term 10:+10X4=4/ 1.4.4. Term 50: 1450 xy = 201 1.5. What stays the same in the pattern in (1.4.1. - 1.4.4.) and what varies? (2)
The polynomial x²+xy+y² has 3 terms. Option C is correct.
We have,
A polynomial is an algebraic statement made up of variables and coefficients.
Variables are sometimes known as unknowns. We can use arithmetic operations like addition, subtraction, and so on. However, the variable is not divisible.
Given polynomial;
⇒x²+xy+y²
The three terms are as follows;
x²
xy
y²
The polynomial x²+xy+y² has 3 terms.
Hence, option C is correct.
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complete question:
How many terms does the polynomial x² + xy y2 have?
1 term
2 terms
3 terms
4 terms
