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3 years ago

5

Sam needs enough wallpaper to cover an area that was 900 square inches . How many inches long of the wallpaper to the roll does

Sam need to purchase

1 answer:

tigry1 [53]3 years ago

4 0

Sam will need 30 rolls of 30 inches of paper

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Which cypress ion is equivalent to 4(x+2) ?<br> 6x<br> 4(x)+4(2)<br> 4(x)+4<br> 8x

jenyasd209 [6]

Answer:

4(x) + 4(2)

Step-by-step explanation:

4(x+2) = 4(x) + 4(2)

Distribution property

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3 years ago

The lines below are perpendicular. If the green line has a slope of 3/4 what is the slope of the red line? Enter your answer as

krek1111 [17]

Answer:

-4/3

Step-by-step explanation:

m1m2=-1

so 3/4*X= -1

3X=-4

x= -4/3

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3 years ago

8) Factor each sum or difference of cubes completely.<br> a. 8x3 + 27

ASHA 777 [7]

Answer:

$\large\boxed{(2x+3)(4x^2-6x+9)}$

Step-by-step explanation:

$8=2^3\\\\8x^3=2^3x^3=(2x)^3\\\\27=3^3\\\\8x^3+27=(2x)^3+3^3\qquad\text{use}\ a^3+b^3=(a+b)(a^2-ab+b^2)\\\\=(2x+3)\bigg((2x)^2-(2x)(3)+3^2\bigg)=(2x+3)(4x^2-6x+9)$

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3 years ago

A football coach wants to see how many laps his players can run in 15 minutes. During a non-mandatory meeting, the coach asks fo

mestny [16]

Answer:

Step-by-step explanation:

There are three reasons here why randomization is not being applied.

First, the coach is only observing football players attending the meeting. This is not representative of the entire team.

Second, there is no selection process. The coach isn't using a random generator or using a similar method.

Third, the players are volunteering for the test. The results will be biased because of this.

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3 years ago

Which of the following best describes perpendicular lines

Usimov [2.4K]

Answer:

B.

Step-by-step explanation:

Perpendicular lines always intercept at a right angle (90 degrees).

8 0

3 years ago

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