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cricket20 [7]
3 years ago
14

Write the following expression using a single exponent. 85 ÷ 8-2 A. 8-7 B. 83 C. 8-10 D. 87

Mathematics
1 answer:
attashe74 [19]3 years ago
7 0
The answer is A. I'm think i'm sure. :)
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Step-by-step explanation:

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Khloe invests money in an account paying a simple interest of 7% per year. If she invests $140 and no money will be added or rem
lutik1710 [3]

Answer:

  • $149.80

Step-by-step explanation:

<u>It is going to be:</u>

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3 years ago
Is g(x) = (x-1)(x+1)(x-3i)(x+3i) the factored form of f(x) = x^4+8x^2-9
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Answer:

Yes

Step-by-step explanation:

(x-1)(x+1)(x-3i)(x+3i)

FOIL ( x-1) (x+1) = x^2 -x+x-1 = x^2 -1

FOIL (x-3i)(x+3i) = x^2 +3ix -3ix -9i^2 = x^2 -9(-1) = x^2 +9

(x-1)(x+1)(x-3i)(x+3i) = (x^2 -1) (x^2 +9)

FOIL again

x^4 +9x^2 -x^2 -9

x^2 +8x^2 -9

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3 years ago
1.5 gallons to pints
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Step-by-step explanation:

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