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leva [86]
3 years ago
15

The equation 7h=63 can be used to find how many hours h a person needs to work to earn $63 at $7 per hour. How many hours does a

person need to work to earn $63?
HELPPP ME QUICKLY I HAVE TO SHOW MY WORK ALSO
Mathematics
2 answers:
Gala2k [10]3 years ago
7 0

Answer:

9 hours

Step-by-step explanation:

7h=63

divide both sides by 7 to get 9

7h/7=h

63/7=9

h=9

olga55 [171]3 years ago
6 0

Answer:

The equation 7h=63 can be used to find how many hours h a person needs to work to earn $63 at $7 per hour. How many hours does a person need to work to earn $63?

Step-by-step explanation:

The equation 7h=63 can be used to find how many hours h a person needs to work to earn $63 at $7 per hour. How many hours does a person need to work to earn $63?

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The sum of the measures of the interior angles of a polygon is 2880°. How many sides does the polygon have?
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Let

S------> The sum of the measures of the interior angles of a polygon

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we know that

The formula to find the sum of the measures of the interior angles of a polygon is equal to

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in this problem

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Solve for n

S=(n-2)*180\\ \\ n=\frac{S}{180}+2\\ \\ n=\frac{2880}{180}+2\\ \\ n=16+2\\ \\ n=18\ sides

therefore

the answer is

18\ sides


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