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5 votes
Find the value of x. HURRY PLEASE

Find the value of x. HURRY PLEASE-example-1
User Zhehao Mao
by
5.2k points

2 Answers

3 votes

Answer:

x=3

Explanation:

so...

13=x²+4.

start by subtracting 4 from each side to get the numbers on one side.

13-4=, and 4-4=0

now, we just have 9=x².

to undo a square, one must square root. so,


√(9) = 3

and


\sqrt{x {}^(2) } = x

now, x=3.

User Rossanmol
by
4.9k points
3 votes

Answer:

we have

x²+4=13[From the same external point, the tangent segments to a circle are equal.]

x²=13-4

x²=9

x²=3²

x=3

User KRKirov
by
6.0k points