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24-04-2018
Mathematics

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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

Find the value of x to the nearest tenth a 99 b 105 c 89 d 101 class=

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Аноним Аноним

24-04-2018

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)

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24-04-2018

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

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