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yulyashka [42]
3 years ago
11

The length of a rectangle is 5 times it’s width. If the perimeter of a rectangle is 72 m, find its area

Mathematics
1 answer:
Olenka [21]3 years ago
6 0
X = width. the perimeter of a rectangle is 2*length + 2*width, so the perimeter of this rectangle is 2x + 2(5x) = 72. distribute the two to get 2x + 10x = 72. so 12x = 72. divide by twelve to get x = 6. the width is six, so the perimeter (5x) is 30. the area of a rectangle is length times width, 30*6, so the area is 180 m.
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3 0
3 years ago
!!!6TH GRADE!!! MATH DUE IN !% MIN ***50 POINTS***
sukhopar [10]

Answer:

5th and then you will

Step-by-step explanation:

ok I am not sure if

5 0
3 years ago
Read 2 more answers
Only smart bros know the answer
Cloud [144]

Answer:

3.3

Step-by-step explanation:

4 x 3 = 12

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5 0
2 years ago
What is the value of x?
Westkost [7]

Answer:

x is equal to 20 in this picture.

Step-by-step explanation:

In order to find this, we need to note that these two angles will be equal to each other. Now we can put their values equal to each other and solve for x.

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6 0
3 years ago
Find the geometric sum: 40 + 20 + 10 + … + 0.078125
sveticcg [70]
S=40+20+10+\cdots+0.078125
S=40\left(1+\dfrac12+\dfrac14+\cdots+\dfrac1{512}\right)
S=40\left(1+2^{-1}+2^{-2}+\cdots+2^{-9}\right)

2^{-1}S=40\left(2^{-1}+2^{-2}+2^{-3}+\cdots+2^{-10}\right)

\implies S-2^{-1}S=40\left(1-2^{-10}\right)
\implies\dfrac12S=40\left(1-\dfrac1{1024}\right)
\implies S=80\left(1-\dfrac1{1024}\right)=\dfrac{5115}{64}=79.921875
4 0
3 years ago
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