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lisabon 2012 [21]
2 years ago
7

"If you subtract18 from my number and multiply the difference by -4 ​, the result is ​-40." What is ​my number

Mathematics
1 answer:
Dmitry [639]2 years ago
4 0
I actually don’t kno so don’t use this i just need points , ill do research and come back and help u
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2x + y =8 and 4x -2y = 6
irakobra [83]

Answer:

x=1.25 and y=-5.5

Step-by-step explanation:

2x+y=-8, 2x=-y-8 or 4x=-2y-16. Plug this value in the second equation, we have - 2y-16-2y=6, y=-5.5. Plugging this in any equation we have, x=1.25

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3 years ago
(Old furniture sold for cash Rs. 1500)
atroni [7]
What’s the question?
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3 years ago
If you earn $134 in 8 hours, how much do you earn per hour?
White raven [17]

Answer:

1.75

Step-by-step explanation:

because you divided the money you earned by how much time you worked

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3 years ago
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kap26 [50]
9-4 and 9+(-4) I believe
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2 years ago
Stephanie is a very good soccer player. She can kick a soccer ball with an initial velocity of 21.3 m/sec. The function that rep
algol [13]
If the ball hit the ground it means that its height is equal to 0. In order to find the time after the ball <span>will hit the ground, we need to find the solution of the equation h(x)=0 which is different to 0.

-4.9x^2+21.3x=0
x(-4.9x+21.3)=0
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3 years ago
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