3 years ago

What is the value of x to the nearest tenth? 2.8 4.2 4.8 6.9

1 answer:

6 0

A^2 + b^2 = c^2
a = x
b = 14
c = x+10
x^2 + 14^2 = (x + 10)^2
( x^2 + 196 = x^2 + 20x +100 ) - x^2
( 20x +100 = 196 ) -100
( 20x = 96 ) / 20
x = 4.8

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