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muminat
3 years ago
13

Find the area of the semicircular window. Round your answer to the nearest hundredth.

Mathematics
2 answers:
Karo-lina-s [1.5K]3 years ago
8 0

Answer:

508.94 inches squared

Step-by-step explanation:

A=πr2=π·18·2≈1017.87602

because its a semi-circle

divide by two

508.94

Fittoniya [83]3 years ago
4 0

Answer:

108

Step-by-step explanation:

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Suppose you are conducting a test of significance to try to determine whether your cat, Hope, will go to the correct object (out
ohaa [14]

In this scenario, the parameter is the sample proportion, which is of 0.7.

<h3>What is the parameter?</h3>
  • When a hypothesis is tested, the parameter is the information obtained from the sample, mean or proportion.
  • In this case, it is the <em>sample proportion</em>, which is the <u>number of desired outcomes divided by the number of total outcomes</u>.

She goes to the correct object in 70 of those 100 trials, hence:

p = \frac{70}{100} = 0.7

The parameter is the sample proportion, which is of 0.7.

You can learn more about sample proportion at brainly.com/question/25868626

4 0
1 year ago
If the federal reserve sells 70,000 in treasury bonds to a bank at 9%
Anton [14]

Answer:

it is decreased by $70,000

Step-by-step explanation:

Federal reserve sells $70,000 in treasury bonds to a bank at 9%

6 0
3 years ago
!!!!!URGENT!!!!!!
nasty-shy [4]

Answer:

hope this helps

Step-by-step explanation:

If you break the fraction into a whole number it would be 5 and 10 minus 5 is 5. so x=5

8 0
2 years ago
The formula I = PRT where I = Interest, P = principal, R = rate, and T = time is used to calculate the amount of simple interest
andre [41]

Answer:

Step-by-step explanation:

as

I=PRT

SO

T=I/PR

6 0
2 years ago
A phone company charges $0.06 per minute for local calls and $0.15 per minute for international calls. When your bill comes, it
solmaris [256]
Let's assume two variables x and y which represent the local and international calls respectively. 

x + y = 852 = total number of minutes which were consumed by the company (equation 1)
0.06*x+ 0.15 y =69.84 = total price which was charged for the phone calls (Equation 2)
 from equation 1:-
x=852 -y (sub in equation 2)
0.06 (852 - y) + 0.15 y =69.84

51.12 -0.06 y +0.15 y =69.84 (subtracting both sides by 51.12)
0.09 y =18.74
y= 208 minutes = international minutes (sub in 1) 
208+x=852 (By subtracting both sides by 208)
x = 852-208 = 644 minutes = local minutes
6 0
3 years ago
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