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Katyanochek1 [597]
3 years ago
7

Evaluate xy-x; use c =4, and y =4​

Mathematics
1 answer:
Ilya [14]3 years ago
4 0

Answer:

12

Step-by-step explanation:

You would substitute

4(4)-4

then simplify

16-4

then subtract

12

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The value of the numerator of a particular fraction is one-half the value of its denominator. If the numerator is increased by 2
IgorC [24]

Answer:

14

Step-by-step explanation:

Let the original denominator be 2x.

The original numerator is x.

The original fraction is x/(2x).

The numerator is increased by 2, and the denominator is decreased by 2.

The new fraction is (x + 2)/(2x - 2).

The new fraction equals 3/4.

(x + 2)/(2x - 2) = 3/4

Cross multiply.

4(x + 2) = 3(2x - 2)

4x + 8 = 6x - 6

-2x = -14

x = 7

The original numerator was 7.

2x = 2(7) = 14

The original denominator was 14.

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3 years ago
Blueberries cost $4.00 per pound. How many pounds of blueberries can you buy for $1.00?
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Answer:

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Step-by-step explanation:

Blueberries are 4 dollars a pound you have 1 dollar

you can by 1/4 of a pound

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sveticcg [70]
I think 3 is 4) 3/4, not sure about 4 though sorry
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Step-by-step explanation:

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