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LiRa [457]
2 years ago
6

Expand to write an equivalent expression -5(7m-2)

Mathematics
1 answer:
Elena-2011 [213]2 years ago
5 0
So lets use the distributive property on this problem:

First we multiply-
-5(7m)= -35m
Next we multiply-
-5(-2)=10
Its a positive 10 and not a negative because two negatives equal a positive.
And then we just put it together so our new expression would be
-35m+10
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Perform the indicated operation.(4r/r+3) - (5/r)
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Answer:

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Step-by-step explanation:

To solve this problem, we will proceed the following way, writing down the common multiple of the denominators.

\frac{4r}{r+3} -\frac{5}{r} =\frac{4r(r)-5(r+3)}{r(r+3)} =\frac{4r^{2}-5r-15 }{r(r+3)}

Thus, the answer is 4r² - 5r - 15 / r(r+3)

7 0
4 years ago
Solve for base. 450 crates is 0.90% of ___ crates
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3 years ago
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Step-by-step explanation:

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7 0
2 years ago
Find the area of the following ellipse (round to nearest tenth).
goblinko [34]

Answer:

\huge\boxed{A=60\pi cm^2}

Step-by-step explanation:

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A=\pi ab

We have:

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Substitute:

A=\pi\dot5\cdot12=60\pi(cm^2)

8 0
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Lisa [10]

Answer:

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Step-by-step explanation:

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3 years ago
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