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GREYUIT [131]
3 years ago
13

Can somebody help? Tysm

Mathematics
1 answer:
alukav5142 [94]3 years ago
5 0
X is equal to 8. The work for that is on the attached picture.

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A rectangle is twice as long as it is wide. if its length is increase by 4 cm and its width is decreased by 3 cm, the new rectan
strojnjashka [21]
Now the width is w.
It's twice as long as wide, so now the length is 2w.

If the length is increased by 4 cm, the length will be 2w + 4.
The width is decreased by 3 cm, so the width will be w - 3.

The are of the new rectangle is 100 cm^2.

area = length * width

area = (2w + 4)(w - 3)

The area of the new rectangle is 100, so we get

(2w + 4)((w - 3) = 100

2w^2 - 6w + 4w - 12 = 100

2w^2 - 2w - 112 = 0

w^2 - w - 56 = 0

(w - 8)(w + 7) = 0

w - 8 = 0   or   w + 7 = 0

w = 8   or   w = -7

A width cannot be negative, so discard w = -7.

w = 8

The width is 8 cm.
The length is twice the width, so the length is 16 cm.
5 0
3 years ago
I need help with the question !!
nikdorinn [45]

Answer:

Step-by-step explanation:

x = 136/2 = 68°

8 0
2 years ago
PLZ NEED HELP ASAP!!!
madam [21]

Answer:

C and D

Step-by-step explanation:

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4 0
3 years ago
3x+y=5  2x-2y=-2 solving systems of equations
yarga [219]
3x+y=5 \ \ /*2 \\ 2x-2y=-2 \\ \\ 6x+2y= 10\\ 2x-2y=-2 \\ + ----- \\8x=8 \ \ / :8\\x=1 \\ \\3*1+y=5 \\ y=5-3\\y=2\\ \\ Answer : \\ \\ x=1 \\ y=2
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3 years ago
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(10.01 MC) Marko is playing the video game Fort Attack. The purpose of the game is to shoot invading bandits that are trying to
rusak2 [61]
Angle of fire in degrees = 90 + 30 =120 degrees

Angle of fire radians =180 degrees = π

120* π/180=120π /180 OR 4π/6 OR 2π/3
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3 years ago
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