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raketka [301]
3 years ago
11

I don’t understand this

Mathematics
1 answer:
Oxana [17]3 years ago
7 0

You have to multiply whats outside the parenthesis with everything that is inside, so

x^{-3}y^0.(x^2-3x^5y^4)

x^{-3}y^0.x^2-x^{-3}y^0.3x^5y^4

Multiplication of same bases we sum the exponents

x^{-3+2}y^0-3x^{-3+5}y^{0+4}

x^{-1}.1-3x^2y^4

x^{-1}-3x^2y^4

Alternative B.

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Answer:

f(g(x)) = x^4 + 12x^3 + 14x^2 -132x + 123

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3 years ago
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Using proportions, it is found that Donald should order 4 of the 0.05 gram tablets.

  • This question is solved by proportions, using a <em>rule of three</em>.
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The <em>rule of three</em> is:

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Applying cross multiplication:

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Donald should order 4 of the 0.05 gram tablets.

For more on proportions, you can check brainly.com/question/24372153

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