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11111nata11111 [884]
3 years ago
8

The perimeter of a rectangle is 70 inches. If the length of the rectangle is 8 inches more than 2 times the width, find the dime

nsions.
Mathematics
1 answer:
daser333 [38]3 years ago
8 0
Since it says the length is 8 inches more than 2 times the width, that would be written as 2w+8. Since there are two side lengths in the rectangle, and two widths that add up to 70, you would use the following equation to find the dimensions: 2w+8+2w+8+w+w=70. When you combine like terms, you get 6w+16=70. From there you subtract the 16 from 70 to get 54, then divide that by 6 to end up with w=9. Now that you know that the width is 9, you can find the length by plugging 9 into 2w+8. The length is 26 inches. 
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7 0
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4y - 9 = 3 what is y
Iteru [2.4K]
4y - 9 = 3
add 9 to both sides
4y = 12
divide both sides by 4 so 4 divided by 4 is one and 12 divided by 4 is 3 thus getting your answer of 3
y=3
7 0
3 years ago
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