freemanhaleigh freemanhaleigh

16-04-2021
Mathematics

contestada

find the value of x. write your answer in simplest radical form. x 9 7

find the value of x write your answer in simplest radical form x 9 7 class=

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ByasseeboysR ByasseeboysR

19-04-2021

Answer:

Answer B

Step-by-step explanation:

You have to use the pythagorean theorm which states that a^2+b^2=c^2

So, 7^2+x^2=9^2

49+x^2=81 subtract 49 from both sides of the equation

x^2=32

x=sqrt(32)

sqrt(32)=sqrt(16)*sqrt(2)

=4*sqrt(2)

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