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Yanka [14]
3 years ago
6

(20 points) Please answer and explain!

Mathematics
1 answer:
liq [111]3 years ago
3 0

Answer:

\large\boxed{a.\ -3x^5y^6}

Step-by-step explanation:

-3x^2y^2\cdot y^4x^3=(-3)(x^2x^3)(y^2y^4)\\\\\text{use}\ a^na^m=a^{n+m}\\\\=-3x^{2+3}y^{2+4}=-3x^5y^6

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Ronch [10]
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2•(3(7)-1)
2•(21-1)
2•(20)
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The ratio of the number of people who own a cat to the number of people who own a dog is 5:7. If there are 12 more people who ow
topjm [15]

Answer:

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Step-by-step explanation:

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Kazeer [188]
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lana [24]

Answer:

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Step-by-step explanation:

let f represent flour and s represent sugar, then

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Multiplying (1) by 3 and (2) by - 5 and adding will eliminate s

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