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sdas [7]
3 years ago
8

Simplify the radical expression (-9√28a^2*1/3√63a) show work

Mathematics
1 answer:
Dovator [93]3 years ago
8 0
A ≥ 0

-\not9^3\sqrt{28a^2}*\frac{1}{\not3^1}\sqrt{63a}=\\\\ =-3a\sqrt{4*7}*\sqrt{9*7a}=\\\\=-3a*2\sqrt{7}*3\sqrt{7a}\\\\ =-18a\sqrt7*\sqrt 7*\sqrt a=\\\\=-18a*(\sqrt7)^2*\sqrt a =\\\\ =-18a*7*\sqrt a=\\\\ =-126a\sqrt a
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I really need the answer to this
bezimeni [28]

Answer:

$350

Step-by-step explanation:

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3 years ago
A bag contains 70 pencils out of which 15 are green and 30 blue.(i)How many pencils of other colours. are in the bag?(ii)A penci
Bas_tet [7]

Answer:

i) 25

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Distribute &combine 2 -(-x+5)
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3 years ago
The distribution of the weights ofloaves of bread from a certain bakery follow approximately a normaldistribution. Based on a ve
slega [8]

Answer:

D)

Step-by-step explanation:

ASSUMING NORMAL DISTRIBUTION, LESS THAN 10% AT LOWER END

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M±AS=20%....................M-AS=15.34

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EQN.2 - EQN.1

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8 0
3 years ago
A JET TRAVELS 460 MILES IN 2 HOURS?
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8 0
3 years ago
Read 2 more answers
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