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DanielleElmas [232]
3 years ago
12

The rectangle graphed has a length of 3 and a width of 2. How does the perimeter change if the width is increased by 4? A) The p

erimeter is doubled. B) The perimeter is increased by 4. C) The perimeter is increased by 6. D) The perimeter is increased by 8.
Mathematics
1 answer:
storchak [24]3 years ago
4 0

Answer:

The answer to your question is the letter D.

Step-by-step explanation:

Data

First rectangle                       Second rectangle

length = 3                               length = 3

width = 2                                 width = 2 + 4 = 6

Process

1.- Calculate the Perimeter of the first rectangle

Perimeter = 2l + 2w

Perimeter = 2(3) + 2(2)

                 = 6 + 4

                 = 10

2.- Calculate the perimeter of the second rectangle

Perimeter = 2(3) + 2(6)

Perimeter = 6 + 12

Perimeter = 18

3.- Compare both perimeters

                Perimeter 1 is smaller than Perimeter 2 by 8 units

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3 years ago
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The only set that only has rational numbers is the first one:

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<h3>Which of the given sets contains only rational numbers?</h3>

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If we look at the first set, the elements are:

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In the other sets we can see elements like:

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The observed tumor counts for the two populations of mice are:

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Step 1: Subtract 3x from both sides.
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Step 2: Subtract 7 from both sides.<span><span><span><span>
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Step 3: Divide both sides by -1.<span><span><span>‌
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