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3 years ago

Four times a number is 4 more than two times the number. What is the number? show all work

Mathematics

2 answers:

wariber [46]3 years ago

7 0

4n = 2n + 4

Solve for n.

Subtract 2n from both sides.

2n = 4

Divide 2 on both sides.

n = 2

Hope this helps!

MrRa [10]3 years ago

5 0

4x = 2x + 4 <== ur equation
4x - 2x = 4
2x = 4
x = 4/2
x = 2 <== ur number

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Read 2 more answers

A plastic ball is filled with gel to make a stress ball. If the ball has a radius of 4 cm, how much

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Answer:

267.947 cm^{3} of gel is required to fill the plastic ball.

Step-by-step explanation:

The radius of the ball is given as 4 cm.

The gel is filled in the plastic ball, that means the gel occupies the volume of the radius.

The volume of the sphere is given by the formula,

$V = \frac{4}{3}(\pi)R^{3}$ , the R is the radius of sphere.

$V = \frac{4}{3}(\pi)(4)^{3} = 267.947 cm^{3}$

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