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podryga [215]
3 years ago
15

Find the area of the green sector if ∠ A = 45° and the circle has a radius of 10 inches.

Mathematics
2 answers:
Travka [436]3 years ago
5 0
The answer to this is (D)
Furkat [3]3 years ago
3 0

Answer:

D) 25π/2 in²

Step-by-step explanation:

The area of a sector of central angle θ and radius r is ...

... A = (1/2)r²θ

Your sector has central angle π/4 and radius 10 in, so has area ...

... A = (1/2)(10 in)²(π/4)

... A = 25π/2 in² . . . . matches selection D

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Alex_Xolod [135]

Step-by-step explanation:

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4 0
3 years ago
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Can someone help me with answer C? its the last one i need
Dmitry [639]

Using the monthly payment formula, it is found that her down payment should be of $1,419.

<h3>What is the monthly payment formula?</h3>

It is given by:

A = P\frac{\frac{r}{12}\left(1 + \frac{r}{12}\right)^n}{\left(1 + \frac{r}{12}\right)^n - 1}

In which:

  • P is the initial amount.
  • r is the interest rate.
  • n is the number of payments.

For this problem, the parameters are:

A = 250, r = 0.072, n = 72.

Hence:

r/12 = 0.072/12 = 0.006.

We solve for P to find the total amount of the monthly payments, hence:

A = P\frac{\frac{r}{12}\left(1 + \frac{r}{12}\right)^n}{\left(1 + \frac{r}{12}\right)^n - 1}

P\frac{0.006(1.006)^{72}}{(1.006)^{72}-1} = 250

0.0171452057P = 250

P = 250/0.0171452057

P = $14,581.

The total payment is of $16,000, hence her down payment should be of:

16000 - 14581 = $1,419.

More can be learned about the monthly payment formula at brainly.com/question/26476748

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4 0
2 years ago
How do you write 0 .25 in a fraction?
tatuchka [14]
0.25 in a fraction would be 1/4
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3 years ago
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In a highway building project, 32 miles of a new highway have been
pychu [463]

Answer: 105 miles

Step-by-step explanation:

You can write an equation for this problem and solve it.

32 miles=1/3x-3, where x is equal to the total length of the highway.

35=1/3x, and then you multiply by 3, to get x=105

7 0
2 years ago
Please help need ASAP
andrey2020 [161]
Octagon is 309.02cm²
Pentagon is 172.05in²
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2 years ago
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