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3 years ago

What is the result of converting 81 inches to feet? Remember, these are 21 inches in a foot.

Mathematics

1 answer:

Dvinal [7]3 years ago

7 0

Answer:

6.75 feet

Step-by-step explanation:

We have to convert 81 inches to feet.

We can use unity method to solve this problem.

12 inches = 1 feet (Note that 12 inches make a foot not 21)

Dividing both sides by 12, we get:

1 inch = $\frac{1}{12}$ feet

Multiplying both sides by 81, we get:

81 inches = $\frac{81}{12}$ feet

81 inches = $\frac{27}{4}$ feet

81 inches = 6.75 feet

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2 years ago

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Step-by-step explanation:

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3 years ago

The length of a rectangle is represented by 3x +4, and its width is represented by 2x + 1. The

Delicious77 [7]

Answer: X=1.5

Step-by-step explanation:

Solution

Perimeter= 2(l+w)

25= 2( 3x+4 +2x+1)

25= 2(3x+2x+4+1)

25= 2(5x+5)

25= 10x+10

Now subtract 10 on both sides..

25-10= 10x+10-10

15=10x

Now divide 10 on both sides to get x

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Answer

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3 years ago