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mestny [16]
4 years ago
14

Can someone find the area of this rectangle please?x

Mathematics
1 answer:
Bogdan [553]4 years ago
4 0

Answer:

72 cm^2

Step-by-step explanation:

If the Length is twice the Width, then W = W and L = 2W.

The perimeter formula is P = 2W + 2L, which here is:

                                      36    = 2W + 2(2W), or

                                        36 = 2W + 4W = 6W; then W = 6 and L = 12.

The area formula is A = L * W, which here is:

A = 6*12 = 72 cm^2

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Determine the equivalent system for the given system of equations. 4x − 5y = 2 3x − y = 8
mel-nik [20]

Answer:

<h2>Explanation:</h2>

We have the following System of Linear Equations in two variables:

\left \{ {4x-5y=2 \atop {3x-y=8}}\right.

So let's call this as SYSTEM A. Two systems of equations are said to be equivalen if and only if they have the same solution, so we can get an equivalent system, called SYSTEM B, by multiplying an equation by some constant value. Let's say we multiply equation (1) by 2, then:

\left \{ {2(4x-5y=2) \atop {3x-y=8}}\right. \\ \\ \left \{ {8x-10y=4 \atop {3x-y=8}}\right.

In conclusion:

SYSTEM A:

\left \{ {4x-5y=2 \atop {3x-y=8}}\right.

SYSTEM B:

\left \{ {8x-10y=4 \atop {3x-y=8}}\right.

SYSTEM A and SYSTEM B are equivalent

<h2>Learn more:</h2>

System of equations: brainly.com/question/13799715

#LearnWithBrainly

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3 years ago
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Feliz [49]

Answer:

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Step-by-step explanation:

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Red:

30 x 0.25 = 7.5

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Water:

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13.5/38 = 0.35526315789%

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Step-by-step explanation:

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Step-by-step explanation:

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