7TH GRADE MATH- Please solve the one with the star- question 18. Thank you!

Mathematics

1 answer:

Bogdan [553]3 years ago

5 0

Answer:

27.5 pages per hour.

Step-by-step explanation:

Santino read 5 $\frac{1}{2}$ pages in 12 minutes

In 60 minutes he read:

$\frac{60}{12}$ × 5.5 = 27.5 pages

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Which of the following shows that polynomials are closed under subtraction when polynomial x + 5 is subtracted from 3x2 + 2x − 6

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For this case we have the following polynomials:
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What we must do is subtract terms of the same degree.
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P - Q = 3x ^ 2 + x - 11$
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$3x ^ 2 + x - 11$ will be a polynomial

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