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inessss [21]
4 years ago
8

The perimeter and the area of a rectangle have the same numerical value.

Mathematics
1 answer:
Sophie [7]4 years ago
5 0

Formula

2*(L + W) = L * W

Given

W = 3

Solution

2*(L + 3) = 3*L

2L+ 6 = 3L                      Subtract 2L from both sides

2L - 2L + 6 = 3L - 2L      combine

6 = L

Answer: The length is 6 units long.

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Express 9/10 in simplest form.
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Answer:

9/10 in simpliest form is 9/10

Step-by-step explanation:

In order to simplify a fraction there must be:

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or

2. The numerator must be greater than the denominator, (an improper fraction), so it can be converted to a mixed number. 9 is not greater than 10.

9/10 as a decimal: 0.9

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3 years ago
What is the area of a rectangle that has a perimeter of 87.20?
harkovskaia [24]
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3 years ago
The area of a rectangle is 42 square feet.
Alchen [17]

Answer:

26 ft and 46 ft.

Step-by-step explanation:

The prime  factors of 42 are 2 * 3 * 7.

Possible lengths and widths  are:

L = 7, W = 6 giving a perimeter of  2*7 + 2*6 = 26 ft.

L = 14 , W = 3  giving perimeter = 34 ft.

L = 21, W = 2 giving perimeter = 46 ft.

3 0
3 years ago
Please solve it 90 POINTS please help- PLEASE HELP its Identify the following for the quadratic relations please slove it all pl
sdas [7]

Answer:

\boxed{\mathrm{view \: explanation}}

Step-by-step explanation:

2)

a) elimination method

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For the first part we can elimate the y variable by subtracting the equations. We can then find the value of x.

For the second part we can substitute y as 2x+5 in the second equation and solve for x.

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3)

\boxed{\mathrm{view \: attachment}}

8 0
3 years ago
Express 20 cm to 400 mm in simplest form
solong [7]

Answer:

Step-by-step explanation:

36/24 or 3/2

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