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anonymous
 5 years ago
a^3=5/2 got help and they said it was cuberoot20/2 but i don't get why.
anonymous
 5 years ago
a^3=5/2 got help and they said it was cuberoot20/2 but i don't get why.

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anonymous
 5 years ago
Best ResponseYou've already chosen the best response.0What is the exact question that u have??

anonymous
 5 years ago
Best ResponseYou've already chosen the best response.0let u=a^3, 2u^23u5=0 (2u5)(u+1)=0 u=5/2 or u=1 which leads to a^3=5/2 or a^3=1 a=cuberoot(5/2) or a=1

anonymous
 5 years ago
Best ResponseYou've already chosen the best response.0thanks! i got those answers but the answer sheet said cuberoot(20)/2 so i wasn't sure. thanks for answering!
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