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tekilochka [14]
3 years ago
14

(11) Geometry Help pls

Mathematics
1 answer:
Mazyrski [523]3 years ago
7 0
Answer: There are 10 sides

---------------------------------------------

x = measure of each interior angle
y = measure of each exterior angle

We know that x = 4y as "each interior angle is four times the measure of each exterior angle"

The interior and exterior adjacent angles are supplementary
x+y = 180
4y+y = 180
5y = 180
5y/5 = 180/5
y = 36

If y = 36, then
n = 360/y
n = 360/36
n = 10

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3 years ago
Can someone please help me with 1 and 2 :)
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Answer:

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Step-by-step explanation:

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What is the value of -2(5) + 3?
pantera1 [17]
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3 years ago
Read 2 more answers
Avery deposited $400 in an account that earned 2.47% interest compounded annually. She did not make additional deposits or withd
aev [14]

Answer:

Amount ($451.9), Interest ($51.9)

Step-by-step explanation:

We need to use the formula of A = P(1 + \frac{r}{n})^n*t

A = Total Amount

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R = Annual Interest Rate

N = Number of times compounder per year

T = time in years

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Now lets plug it all in!

A = 400 (1 + \frac{0.0247}{1})^{1*5}

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Now we need to find the interest...

We will use A = P + I since A is 451.9 and P = 400

451.9 = 400 + I

I = 451.9 - 400

I = 51.9

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2 years ago
What is the percent as a fraction in lowest terms
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