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Korvikt [17]
2 years ago
12

In 6 years, John will be 3 times the age he was 2 years ago. What is his current age?

Mathematics
1 answer:
Vladimir79 [104]2 years ago
7 0

Answer:

John is currently 6 years old.

Step-by-step explanation:

2 years ago: x years

Current time: x+2

In 6 years: x+8

EQUATION:

3(x)=x+8= 3x=x+8

(subract x from both sides)

2x=8

x=4

Therefore, John is 6 years old in current time

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Answer:

1.44m^3

Step-by-step explanation:

Given data

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Diameter of ball = 70cm = 0.7m

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The volume of a sphere is

V= 4/3πr^3

substitute

V= 4/3*3.142*0.35^3

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Hence if 1 ball has a volume of 0.18m^3

Then 8 balls will have a volume of

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AURORKA [14]

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3 years ago
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