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Slav-nsk [51]
3 years ago
9

I NEED HELP!!! Find the area of this figure

Mathematics
1 answer:
Scorpion4ik [409]3 years ago
4 0

Answer:

265 yd squared

Step-by-step explanation:

We can solve this problem by taking the little triangle on the left side and moving it to the right to get a rectangle, and from there we can find the area like its a rectangle

21.2*12.5=265

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Consider two x distributions corresponding to the same x distribution. The first x distribution is based on samples of size n =
Tanya [424]

Answer:

The distribution with n = 225 will give a smaller standard error.

Since sigma x = sigma/√n, dividing by the square root of 225 will result in a small standard error regardless of the value of sigma.

Step-by-step explanation:

Standard error is given by standard deviation (sigma) divided by square root of sample size (√n).

The distribution with n = 225 would give a smaller standard error because the square root of 225 is 15. The inverse of 15 multiplied by sigma is approximately 0.07sigma which is smaller compared to the distribution n = 100. Square of 100 is 10, inverse of 10 multiplied by sigma is 0.1sigma.

0.07sigma is smaller than 0.1sigma

8 0
3 years ago
B. How many hours will Max have to work if he wants to earn $186?
velikii [3]
Is there anymore to the question?
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3 years ago
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Please help me! I really need this!
Paladinen [302]
Im pretty sure the number of books is your x and the cost is your y
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3 years ago
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A wheelchair ramp is in the shape of a triangular prism. it has a base area of 37.4 square yards and a height of 5 yards. find t
mina [271]
It's not the volume of the ramp, it's the angle. 

anyways here's how to use trig to find the answer:

Tan <A= opposite/ adjacent 
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<A= tan-1 (5.0/ 37.4)

<A= 7.61 degrees. 
7 0
3 years ago
Jan won 51.9% of the votes in the race for school secretary. She received 415 votes. About how many students are in the school?
slava [35]
Mental way:
415 / 51.9 * 100 = 800 students in the school.

detailed way:
x is the amount of students in the school.
51.9% * x = 415
(divide both sides by 51.9% (or 0.519))
x = 800 students
7 0
3 years ago
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