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Find the value of x to the nearest tenth. a. 9.9 b. 10.5 c. 8.9 d. 10.1
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5 votes
Find the value of x to the nearest tenth.

a. 9.9


b. 10.5


c. 8.9


d. 10.1

Find the value of x to the nearest tenth. a. 9.9 b. 10.5 c. 8.9 d. 10.1-example-1
User Brandon Slaght
by
9.2k points

2 Answers

5 votes
a² + b² = c²
15² + x² = 18²
x² = 18² - 15²
x² = 99
x = √99
x = 9.9 units (nearest tenth)

Answer: x = 9.9 (Answer a)
User Pixunil
by
8.2k points
4 votes
Option A is your answer, 9.9

x² + 15² = 18²
x² + 225 = 324
x² = 99
x = √99
x = 3√11

x ≈ 9.9499 or to the nearest tenth x ≈ 9.9
User SimperT
by
8.5k points
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