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Mathematics

2 answers:

MrRa [10]3 years ago

7 0

B
42 times 25.5=1071
771.1/1071= 0.72
(rounded)
not sure

just olya [345]3 years ago

4 0

First, we need to find the area of the wall. We do this by multiplying the length times the width. This is equal to 42*25.5=1070 square feet. Now, we divide the cost by the area to find our answer. This is equal to

771.12/1070=$0.72 dollars per square foot, or answer B.

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Gre4nikov [31]

Answer:

The value of x would 12.2.

Step-by-step explanation:

You have to use the pythagorean theorem to solve this.

a = 5.85 (11.7/2)

b = what we are trying to find

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Add and Subtract Rational Expressions with a Common Denominator

Sladkaya [172]

Answer:

$\displaystyle \frac{4q^2-q+3}{q^2+6q+5}-\frac{3q^2-q-6}{q^2+6q+5}=\frac{q^2+9}{q^2+6q+5}$

Step-by-step explanation:

<u>Simplifying Rational Expressions</u>

If two or more rational expressions have the same denominator, the add and subtract operations are done only with the numerator. The final denominator will be the common of both.

The expression is:

$\displaystyle \frac{4q^2-q+3}{q^2+6q+5}-\frac{3q^2-q-6}{q^2+6q+5}$