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Mathematics
OpenStudy (anonymous):

medal&fan yo llol Write an expression that is equivalent to three over four (5z+ 16).

OpenStudy (anonymous):

These radical expressions can be simplified. Since 16+=+2%5E4 the 4th root of 16 is easy to find. So I'm going to use the second, "cube of the root" expression instead of the first, "root of the cube" expression: 16%5E%283%2F4%29+=+%28root%284%2C+16%29%29%5E3+=+2%5E3+=+8 If I had used the "root of the cube", root%284%2C+16%5E3%29, instead, I would have had to cube 16 (yuck!) first and then find the 4th root of the whatever 16 cubed is (double yuck!). But I would still end up with 8!

OpenStudy (anonymous):

multiple choice: 15 over four x z + 16 15 over four x z + 12 three over four x z + 16 three over four x z + 12

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