hi105
hi105 hi105
  • 01-11-2018
  • Mathematics
contestada

Which expression is equal to 3√54 -4√24
A -11√6
B √6
C 11 √6
D-√6

Respuesta :

elbunt
elbunt elbunt
  • 01-11-2018
let's start by getting both squares as the same number
[tex]3 \sqrt{54} = 3 \sqrt{9 \times 6} = 3 \times 3 \sqrt{6} = 9 \sqrt{6} [/tex]
and
[tex]4 \sqrt{24} = 4 \sqrt{4 \times 6} = 2 \times 4 \sqrt{6} = 8 \sqrt{6} [/tex]
now we can subtract!

[tex]9 \sqrt{6} - 8 \sqrt{6} = \sqrt{6} [/tex]

so our answer is B
Answer Link
rshah0003 rshah0003
  • 14-12-2020

Answer:

B

Step-by-step explanation:

Answer Link

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