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3 years ago

A rectangle is 4 times as long as it is wide. The perimeter of a rectangle is 50 cm. What are the dimensions of the rectangle?

Mathematics

2 answers:

marissa [1.9K]3 years ago

7 0

We use the equation 2x+8x=50.

10x=50
x=5

The rectangle will be 20 cm long and 5 cm wide.

Hope this helps!

Contact [7]3 years ago

4 0

Answer:

5 cm ( width ) , 20 cm (length)

Step-by-step explanation:

Let width = w

Let length = 4w

Perimeter = 50

Perimeter formula for a rectangle = 2l + 2w

Plug in the variables (width and length)

2(w) + 2(4w) = 50

2w + 8w = 50

10w = 50

w = 5

<u>Remember, recall that length = 4w</u>

length = 4w

length = 4(5)

length = 20

Therefore, the dimensions of the rectangle are 5 by 20 cm

<h3><em>If this helped you, please make sure to give me the brainliest answer to support me. It will be greatly appreciated. Thank you!</em></h3>

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$\bf n^{th}\textit{ term of an arithmetic sequence}\\\\
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\\\\\\
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\\\\\\
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and now let's use those 2 found folks, to get the 21st term,

$\bf n^{th}\textit{ term of an arithmetic sequence}\\\\
a_n=a_1+(n-1)d\qquad 
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n=n^{th}\ term\\
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d=\textit{common difference}\\
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