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Paha777 [63]
2 years ago
10

Please help, in a hurry!!

Mathematics
1 answer:
Tanya [424]2 years ago
6 0

Answer:

First one is infinitely many solutions. Second one is One solution. The third one is No solution.

Step-by-step explanation:

First line both equations have the same line. second one are two completely different equations while the third one are parallel lines which never intersect.

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10) Gabe put up a fence around his rectangular vegetable garden this weekend.
dybincka [34]

Answer:

The length is 16 ft, and the width is 3 ft.

Step-by-step explanation:

Let L = length & let W = width.

The perimeter of a rectangle is

P = 2(L + W)

The area of a rectangle is

A = LW

We know the perimeter and the area, so we substitute those values int he equations above and we switch sides in both equations.

Perimeter: 2(L + W) = 38

Divide both sides by 2:

L + W = 19

Area: LW = 48

We have a system of two equations in two unknowns:

L + W = 19

LW = 48

Solve the first equation for L and substitute it into the second equation.

L = 19 - W

(19 - W)W = 48

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Multiply both sides by -1, and rearrange the order of the terms.

W^2 - 19W + 48 = 0

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W = 16 or W = 3

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L = 19 - W

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L = 16

Answer: The length is 16 ft, and the width is 3 ft.

3 0
3 years ago
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