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ch4aika [34]
2 years ago
13

The length of a rectangle is twice the width w. Which expressions represent the perimeter of the rectangle? Select all that appl

y.
Mathematics
1 answer:
coldgirl [10]2 years ago
3 0

It can be deduced that the perimeter of the rectangle will be 6w.

<h3>How to solve the perimeter?</h3>

From the information given, the length of a rectangle is twice the width w. Therefore, the length will be:

= 2 × w = 2w

Perimeter of a rectangle:

= 2(length + width)

= 2(2w + w)

= 2(3w)

= 6w

Learn more about perimeter on:

brainly.com/question/19819849

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beks73 [17]

Answer:

Step-by-step explanation:

So Blakes sleep 8 hours per night during the school day

8 hours/night...................................100%

6.5 hours/night...................................?

6.5*100/8=81.25

the change in percentage is 100-81.25=18.75%

the percentage change is 18.75

if it is easier for you, another method is:

8-6.5=1.5 subtract the original amount to the new amount

1.5/8=0.1875 divide by the original amount

0.1875*100=18.75 find the percentage

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3 years ago
Can I please get some help on this...I have tried to many times...
Bezzdna [24]

Answer: A

Step-by-step explanation:

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\sqrt{x-2} =0

When you solve that, you get x=2. You know your domain is x≥2, but there is as asymptote at x=11. That means the graph never reaches x=11, but gets very close. You find that by setting the entire equation equal to 0 and solve from there.

5 0
3 years ago
What is true about the absolute values of the slopes of parallel and perpendicular lines?
GenaCL600 [577]
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What is the solution to the inequality +4 50?
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Answer:

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Step-by-step explanation:

4 0
3 years ago
--<br> Choose the correct simplification of the expression -5x2(4x – 6x2 – 3).
natali 33 [55]

\huge \bf༆ Answer ༄

Let's simply ~

{ \qquad{ \sf{ \dashrightarrow}}}  \:  \: \sf \: - 5 {x}^{2} (4x - 6 {x}^{2}  - 3)

{ \qquad{ \sf{ \dashrightarrow}}}  \:  \: \sf \:( - 5x {}^{2}  \times 4x) - ( - 5 {x}^{2}  \times 6 {x}^{2} ) - ( - 5 {x}^{2}  \times  3)

{ \qquad{ \sf{ \dashrightarrow}}}  \:  \: \sf \: - 20 {x}^{3}    - ( - 30 {x}^{4} ) - ( - 15 {x}^{2} )

{ \qquad{ \sf{ \dashrightarrow}}}  \:  \: \sf \: - 20 {x}^{3}  + 30 {x}^{4}  + 15 {x}^{2}

{ \qquad{ \sf{ \dashrightarrow}}}  \:  \: \sf \:30 {x}^{4}  - 20 {x}^{3}  + 15 {x}^{2}

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