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GREYUIT [131]
3 years ago
13

Pls help me solve this 8(x-1) = -2(x + 8)

Mathematics
2 answers:
bixtya [17]3 years ago
8 0

Answer:

x= -4/5

Step-by-step explanation:

first distribute on both sides

8x -8 = -2x -16

isolate x on one side

10x = -8

x = -8/10

you can simplify that fraction to get

x= -4/5

Dennis_Churaev [7]3 years ago
3 0
8 ( x - 1) = -2 ( x + 8)
8x - 8 = -2 ( x + 8)
Distribute ^
Distribute again
8x - 8 = -2 (x + 8)
8x - 8 = -2x -16
Add 8 to both sides of the equation
X = -4/5
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Answer:

No of maths is 477 books.

No of English is 1113 books.

Step-by-step explanation:

I did mine by splitting the ratios and comparing values.

Ratio of maths books to science books is 3:2.

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3 0
3 years ago
the ball is 150g heavy and it is dropped from 300m, what is the velocity of the ball just before it touches the ground
boyakko [2]

Answer:

77.5 m/s

Step-by-step explanation:

Once the ball is dropped from the height, it converts all its potential energy into kinetic energy:

P. E = K.E\\mgh = \frac{1}{2}mv^2

Using this equation, and the data we have to find the velocity of the ball:

mass = 150 \ g \\gravity = 10 \ m/s^2\\height = 300 m

P.E = mgh\\150 \times 10 \times 300 = \frac{1}{2} \times 150 \times v^2\\\\150 \times 10 \times 300 = 75 \times v^2\\\\v^ 2 = \frac{150 \times 10 \times 300 }{75}\\\\v^2 = 6000\\\\v = \sqrt {6000}\\\\v = 77. 5 \ ms^{-1}

5 0
4 years ago
Kira received a $15.00 gift card for a photo center. She used it to buy prints that cost 5 cents each. The remaining balance, B
Alja [10]

Answer:

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Step-by-step explanation:

X is representing the amount of prints that Kira has. Since she has 40 prints, let's plug that into the equation shown in the problem.

B = 15.00 - 0.05(40)

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4 0
3 years ago
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13:00 or 1:00

Step-by-step explanation:

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7 0
3 years ago
Jose and Kaitlyn have a contest to see who can throw a baseball the farthest. Kaitlyn wins, with a throw of 200 ft. If Jose thre
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4 0
4 years ago
Read 2 more answers
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