SOLUTION: Which is the exact value of the expression the square root of 80. − the square root of 125. + the square root of 45.?
5the square root of 2.
−3the square root o
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Question 770579: Which is the exact value of the expression the square root of 80. − the square root of 125. + the square root of 45.?
5the square root of 2.
−3the square root of 5.
3the square root of 5.
2the square root of 5.
Answer by solver91311(24713) (Show Source): You can put this solution on YOUR website!
Hint: 80 = 16 X 5, 125 = 25 X 5, and 45 = 9 X 5; 16, 25, and 9 all being perfect squares.
John
Egw to Beta kai to Sigma
My calculator said it, I believe it, that settles it
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