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2 years ago

Write an expression that has 2 as a coefficient. Explain how you know the 2 is a coefficient.

Mathematics

1 answer:

galina1969 [7]2 years ago

6 0

Answer:

2x = 8

Step-by-step explanation:

2 is the coefficient because the coefficient always comes before the variable. In this case the variable is X, and 2 comes right before that signaling that it is (2)(x).

Hope this helps!

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The length of a rectangle is 3 cm less than twice the width. If the perimeter is 42 cm, what is the length of the rectangle?

larisa [96]

Answer:

The length is 13

Step-by-step explanation:

w+w+l+l= perimeter

if the length is 3m less than twice the width then let's do some math.

42 divided 2 =21. so the width and length of one side have to equal 21. For example, let's use 8 as the width. The length would be twice(16) minus three(13) 13 plus 8 is 21. WOW it equals half of it so no we know the length is 13 and the wdith is 8.

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3 years ago

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You can write it
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3 years ago

What is the total volume of this compound shape?

Alex787 [66]

Answer:

This is very easy. First find the volume of the cube, and then add it to the volume of the hemisphere to find the total volume.

The volume of the cube is length x width x height: 8 x 8 x 12 = 768 cm

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2 years ago

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erica [24]

Answer:

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Step-by-step explanation:

There is no formula that will tell you the interest rate. It must be computed iteratively or found graphically. A financial calculator can do the work for you.

The parameters this one uses are

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2 years ago