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2 years ago

Solve this x/5 = 2 1/2

Mathematics

1 answer:

ANTONII [103]2 years ago

7 0

12.5 because if you multiply 5 by 2.5 you get 12.5

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2 years ago

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Which expression can be substituted for y in the top equation of the

maria [59]

Answer:

Y=7+3x, x=-3, y=-2

Step-by-step explanation:

3x-5y=1. Equation 1

3x-y=-7. Equation 2

-y=-7-3x isolate for y in equation 2

y=7+3x multiplied by -1 to get positive y

3x-5(7+3x)=1 substitute y value of equation 2 (7+3x) into equation 1

3x-35-15x=1

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solve for y.

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2 years ago

Cory earns d dollars for every hour he works after school. the weekends, his hourly wage is three times the sum of his after sch

blondinia [14]

Answer:

3d+2

Step-by-step explanation:

Because he is getting 3x the amount of his wages it would be 3xd, simplified to 3d. Then add 2.

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2 years ago

-8

nevsk [136]

Answer:

take your pick. Each has its own reason.

Step-by-step explanation:

As with a lot of "doesn't belong" problems, the one that is different depends on your criteria. In the attached figure, each one "doesn't belong" for a different reason. Those reasons are listed below each number line.

I might choose the lower left: "addition, not subtraction", as it is the only one with arrows in the same direction. That makes its difference from the others more obvious, perhaps.

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3 years ago

What is the equation of this graphed line?

Liula [17]

Answer:

2,1

Step-by-step explanation:

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2 years ago

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