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Flauer [41]
3 years ago
5

Simplify (3w^2-7w+6)+(-5w^2+2w+1)

Mathematics
1 answer:
leva [86]3 years ago
5 0

Answer:

-2w^2 - 5w + 7

Step-by-step explanation:

Just the values with the same powers of w

(3w^2-5w^2)+(-7w+2w)+(6+1)

-2w^2 - 5w + 7

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In February, Alec had 1,586 visitors to his website. In March, he had 1,352 visitors to his website. What is the percentage decr
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Answer:

The percentage decrease  of the number of visitors to Alec's website from February to March is 14.8 %  

Step-by-step explanation:

Explanation:

Percent decrease is a measure of percent change, which is the extent to which something loses value.

Step 1:

Find out the difference (decrease) between the number of visitors in march and February

Decrease =number of visitors in Fe bury- Number of vsitors in march

Decrease=  1,586- 1,352

Decrease =234

Step 2:

Divide the decrease by the original number of visitors and multiply the answer by 100.

Percent decrease= \frac{Decrease }{ Original Number }\times100

Percent decrease= \frac{236}{1586}\times100

Percent decrease= 0.148\times100

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8 0
3 years ago
Find the slant height l of the cone given the surface area S.
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Answer:

  15 cm

Step-by-step explanation:

The formula for the surface area of the cone is ...

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The radius of this cone is half its diameter so is (12 cm)/2 = 6 cm. Then the slant height L can be found from ...

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  15 cm = L . . . . . . . . . . . . . . . . subtract 6 cm

The slant height is 15 centimeters.

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