FailingstudentXD
FailingstudentXD FailingstudentXD
  • 02-02-2019
  • Mathematics
contestada

Please explain and answer the first one

Please explain and answer the first one class=

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CatGurl CatGurl
  • 02-02-2019
To find out whether the expressions equal 9, plug the values of x and y into each problem. For example, the first expression would be 4 to the power of 2 + 6×1/3, which would simplify to 16+2 which is 18, not 9. The expressions that do equal 9 are B, D, and E.
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1Angel2Got3Brains
1Angel2Got3Brains 1Angel2Got3Brains
  • 02-02-2019
e) 3x - 9y
↓ ↓
3x4 9x 1/3 → 9/1 x 1/3 → 9/3= 3
↓
12 - 3 = 9

b and d are correct too
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