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3 years ago

An envelope from the post office is 6 inches wide and 8 inches long. What is the perimeter of the envelope?

Mathematics

2 answers:

Black_prince [1.1K]3 years ago

7 0

The perimeter is 28 Perimeter= 2x(6+8) 6+8=14 14x2=28 P=28
so answer is 28

torisob [31]3 years ago

3 0

Your answer would be..... 28 inches!
Hope I helped!

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2 years ago

8.1 = 0.9a, how do you solve?

GrogVix [38]

Answer:

a = 9

Step-by-step explanation:

Simplifying

8.1 = 0.9a

Solving

8.1 = 0.9a

Solving for variable 'a'.

Move all terms containing a to the left, all other terms to the right.

Add '-0.9a' to each side of the equation.

8.1 + -0.9a = 0.9a + -0.9a

Combine like terms: 0.9a + -0.9a = 0.0

8.1 + -0.9a = 0.0

Add '-8.1' to each side of the equation.

8.1 + -8.1 + -0.9a = 0.0 + -8.1

Combine like terms: 8.1 + -8.1 = 0.0

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Divide each side by '-0.9'.

a = 9

Simplifying

a = 9

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3 years ago

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avanturin [10]

Answer:

Step-by-step explanation:

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2 years ago

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Answer:

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Step-by-step explanation:

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2 years ago

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Step-by-step explanation:

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