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Katyanochek1 [597]

2 years ago

8

choose all statements about percentages that are true a. 15% of 30 is 12 b. 25% of 80 is 20 c. 30% of 50 is 25 d. 30% of 60 is 1

8 e. 40% of 20 is 8

1 answer:

Mashcka [7]2 years ago

7 0

Answer:a b c

Step-by-step explanation:

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nataly862011 [7]

Answer:

see the explanation

Step-by-step explanation:

we know that

The sum of the interior angles in any polygon is given by the formula

$S=(n-2)180^o$

where

n is the number of sides of the polygon

step 1

Find the sum of the interior angles in the given polygon

we have

$n=5\ sides$

substitute

$S=(5-2)180^o=540^o$

step 2

Find the value of x

we know that

$-3x+125+(45-x)+(-x+90)+80=540$

solve for x

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step 3

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Angle A

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Angle B

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Angle C

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Angle D

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Angle E

$125^o$

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Step-by-step explanation:

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Answer:

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Step-by-step explanation:

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1 year ago