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Digiron [165]
3 years ago
15

Which statement is true about the product 3(7square root of 4 + 2square root of 9? It is rational and equal to 60. It is rationa

l and equal to 25. It is irrational and equal to 25 + 2square root of 2. It is irrational and equal to 27square root of 13.
Mathematics
1 answer:
kogti [31]3 years ago
6 0

It is rational, since actually


\sqrt{4}=2,\quad\sqrt{9}=3


so, the expression simply beco3(7\sqrt{4} + 2\sqrt{9})=3(7\cdot2+2\cdot 3)=3(14+6)=3\cdot 20 = 60



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