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Karo-lina-s [1.5K]
3 years ago
9

Find the value of x in the following system of equations:

Mathematics
1 answer:
WITCHER [35]3 years ago
3 0

Answer:

c.) x = 3

Step-by-step explanation:

2x - 3y = 9

x = 4 + y

Substitute the second equation into the first equation

2(4+y) - 3y = 9

Distribute

8+2y -3y =9

8-y = 9

Subtract 8 from each side

8-y-8 =9-8

-y = 1

Multiply by -1

y =-1

Now solve for x

x = 4-1

x =3

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If the area of the following parallelogram is 135 square feet, what is the length of the base?
sleet_krkn [62]

Answer:

9ft

Step-by-step explanation:

The area is 135ft and the formula for area is length x width.

on the image it shows the height is 5yds and we want feet since that's that the area is in. a yard = 3 feet so its 3 x 5 = 15.

since the formula to find area is multiplication, use division to find a number in the equation. so

135 divided by 15 = 9.

The length of the base is 9ft.

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2 years ago
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gulaghasi [49]

Answer:

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3 0
3 years ago
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3 years ago
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Viktor [21]

Answer:

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Step-by-step explanation:

5|2x + 4| > -10

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5 0
3 years ago
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