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Need help with these math questions

Need help with these math questions-example-1
User AGS
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1 Answer

5 votes


√(16-x) x = 8

Since x = 8, you can plug in/substitute 8 for "x" in the equation:


√(16-x)


√(16-8)


√(8)

2.82842

2.83 You answer is the 4th option



√(x+7) x = 9

Plug in 9 for "x" in the equation


√(x+7)


√(9+7)


√(16)

4 Your answer is the 1st option

User Sysix
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5.4k points