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ludmilkaskok [199]
3 years ago
6

PLEASE HELP QUICK Find the area of the rectangle. 2x + 4 4x - 2

Mathematics
1 answer:
Lady bird [3.3K]3 years ago
7 0

Answer:

8x² + 12x – 8

Step-by-step explanation:

From the question given above, the following were obtained:

Length (L) = 2x + 4

Breadth (B) = 4x – 2

Area (A) =..?

The area of a rectangle is given by:

Area (A) = Length (L) × Breadth (B)

A = L × B

Thus with the above formula, we can obtain the area of the rectangle as follow:

Length (L) = 2x + 4

Breadth (B) = 4x – 2

Area (A) =..?

A = L × B

A = (2x + 4) (4x – 2)

Expand

A = 2x(4x – 2) + 4(4x – 2)

A = 8x² – 4x + 16x – 8

A = 8x² + 12x – 8

Therefore, the area of the rectangle is 8x² + 12x – 8

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Mon wants to make 5 lbs of the sugar syrup. How much water and how much sugar does he need to make 75% syrup?
Julli [10]

Answer:

He needs 3.75 lbs of sugar and 1.25 lbs of water.

Step-by-step explanation:

Let x lbs be the amount of sugar in the syrup. Then 5-x lbs is the amount of water in this syrup.

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x lbs - 75%

Write a proportion:

\dfrac{5}{x}=\dfrac{100}{75}

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3 years ago
The sides of a rectangle are in the ratio of 4:5. If the width is 28 in., find the length, the perimeter, and the area of this r
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Length: 35 in
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Area: 980 inches squared.
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