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Korolek [52]
2 years ago
15

Solve 3x − y = 18 for y.

Mathematics
1 answer:
Debora [2.8K]2 years ago
4 0

Answer: y = -18 + 3x

Step-by-step explanation: Move all of your terms that do not contain 'y' to the right and then solve. You will get your final answer as 'y = -18 + 3x'.

I hope this helps you out.

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What is the smallest of 3 consecutive positive integers if the product of the smaller two integers is 5 less than 5 times the la
olga55 [171]
Let's say the first number is "a"
the next consecutive can just be "a+1" and  the next, you guessed it, "a+2"
the two smaller ones are a and a+1, the larger one is a+2

now, the product of "a" and "a+1" equals 5 times "a+2" but less by 5

thus   a(a + 1) = 5(a + 2) - 5   <----- solve for "a"
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Answer:

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2 years ago
A tunnel is in the shape of a parabola. The maximum height is 31 m and it is 13 m wide at the base as shown below.
yan [13]
Using the given values from the problem and the illustration, three points are known which are (0,0), (6.5,-31), (-6.5,-31). The first step in solving this problem is to determine the equation of the parabola.
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Therefore, the equation of the parabola is y = (-124/169)x². The value 4.5 is then substituted in the equation as x to get the answer which is 16.14 meters.
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Each letter represents a question answer
evablogger [386]

A. 2x+3x-6=10+4x

5x-6=10+4x

5x=16+4x

X=16

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5/12lb of dog food in each container.

This seems like a division problem so you would take (5/4) and divide it by 3 to make 3 equal groups meaning 5/12lb would be in each container.

I hope this helps, good luck!
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