Question

Please help :(

Answer 1

What is the value of x? Round your answer to the nearest tenth if necessary.

Answer 2

Pythagorean theorem \[\huge\rm a^2 + b^2 = c^2 \]
c is the longest side of right triangle which is hypotenuse
so substitute values then solve :-)

Answer 3

I got 89 @Nnesha

Answer 4

x^2 = 89 right
x = what ?

Answer 5

what?

Answer 6

yep what ??

Answer 7

Pythagorean theorem \[\huge\rm (5)^2 + (8)^2 = x^2 \]

25+64 = x^2
you need x not x^2

Answer 8

oh, okay

Answer 9

okay, I got 89=x^2?

Answer 10

yes right now solve for x
how would you cancel square of x ?

Answer 11

by moving the decimal?

Answer 12

take square root both sides to cancel square

Answer 13

how do I do that

Answer 14

\[\huge\rm \sqrt{x} = x^\frac{ 1 }{ 2 }\]
like this
so take square root of x^2 and 89