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laiz [17]
3 years ago
14

How to solve 3/4 = 8/x-1

Mathematics
1 answer:
otez555 [7]3 years ago
6 0
3/4=8/x-1

3/4+4/4=8/x

7/4=8/x

7x/4=8

7x=32

x=32/7
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Yakvenalex [24]
Divide 600,000 by 10,000.

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4 years ago
Find the scale factor of the figures below from left to right given the volume of each .
Fudgin [204]
<h3>Answer is choice D)  5:3</h3>

Explanation:

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Both 125 and 27 are perfect cubes because 125 = 5^3 and 27 = 3^3

Therefore, the volume ratio 125:27 turns to the linear scale factor ratio 5:3

If you were to cube both sides of the linear ratio 5:3, you would get the volume ratio 125:27. Cube rooting both sides will have you go in reverse.

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3 years ago
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3 years ago
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Trava [24]

Answer:

x = -20 ; y =-5

Step-by-step explanation:

Eqn. 1 ----> 4y = x

Eqn. 2 ----> 5x-10y = -50

(Simplifying eqn.2 further)

=>5(x-2y)=-50

=>x-2y=\frac{-50}{5} =-10

(Substituting the value of x from eqn. 1)

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Now, substituting the value of y in eqn. 1 ,

x = 4*(-5)=-20

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