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Gre4nikov [31]
3 years ago
6

Divide the following polynomial by 3.c. 27x²y – 15xy

Mathematics
1 answer:
dezoksy [38]3 years ago
5 0

Answer:

9x^2y-5xy

Step-by-step explanation:

Split it up like this to make it easier to work with:

\frac{27x^2y}{3}-\frac{15xy}{3}

Since the only thing in the denominator of those fractions is a 3, we can only divide the 27 by 3, not the x or y terms.  Same thing with the second fraction.  27 divided by 3 is 9 and 15 divided by 3 is 5, so

9x^2y-5xy

is the solution.  It is not completely simplified, but that isn't what you asked for, so this should suffice as the answer.

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Answer:

3 cm

Step-by-step explanation:

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  • h_{cylinder} = 21\: cm (Given)

  • Formula for V_{cylinder} is given as:

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  • \implies  189\pi = \pi r^2(21)

  • \implies \frac{ 189\pi}{21\pi} = r^2

  • \implies 9 = r^2

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Hope it helps you in your learning process.

8 0
2 years ago
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Explanation: First, we need to add the numbers:

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9x + 7 - 7x

And finally, we combine like terms:

9x + 7 - 7x

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8 0
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Ally ran 5 miles in 36 minutes. Sami ran 6 miles. If ally ran at a faster rate then Sami, in how many minutes could Sami have ru
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(07.05)<br> Graph the first six terms of a sequence where a = -10 and d = 3.
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Step-by-step explanation:

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where, n = 6: Sn = 6/2( -20 + 5(3)) = 3(15 - 20)

∴  Sn = 15

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