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vazorg [7]
3 years ago
12

Find the value of X express each answer as a decimal rounded to the nearest tenth.

Mathematics
1 answer:
VMariaS [17]3 years ago
3 0

Answer:

x = 15.6

Step-by-step explanation:

use the pythagorean theorem:

a² + b² = c²

a = 9

b = x

c = 18

(9)² + x² = (18)²

81 + x² = 324                    subtract 81 from both sides

x² = 243                            take the square root of both sides

x = √243

x = 15.6

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Margie babysits for two families. Mr. and Mrs. Smith pay her $6.50 an hour to babysit their son, Shea. Mr. and Mrs. Jones pay Ma
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Answer:

A) \$ 6.5\timesx is the expression to represent total amount of money she earns babysitting for Smith family.

B) \$45.5 she will earn for Smith family for 7 hours

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Step-by-step explanation:

Given.

Mr. and Mrs. Smith pay Margie \$6.50 an hour to babysit their son, Shea.

Mr. and Mrs. Jones pay Margie $8 an hour to babysit their children, Sarah, Susan, and Dawn.

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Solving for Part A.

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Solving for part C.

Margie earned = \$ 78

To find number of hours

No of hour Margie has done babysitting for Smith family x=\frac{\$78}{\$6.5}=12 \ hrs

6 0
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