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lakkis [162]
3 years ago
14

21 is what percent less than 35 ?

Mathematics
1 answer:
Vlad1618 [11]3 years ago
4 0
You do this 35*x=21. and x is the percent. x=0.6. 0.6 is 60 percent. So 21 is 60 percent less than 35.
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What is the value of f(x)=2•2^x for f(-2)
Zigmanuir [339]

Answer:

The value of f(-2) is 1/2 or it can be written as 0.5.

Step-by-step explanation:

The given function is

f(x)=2\cdot 2^x

We have to find the value of f(-2).

Substitute x=-2 in the given function to find the value of f(-2).

f(-2)=2\cdot 2^(-2)

f(-2)=2\cdot \frac{1}{2^(2)}

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f(-2)=0.5

Therefore the value of f(-2) is 1/2 or it can be written as 0.5.

3 0
3 years ago
The amount of chlorine in a swimming pool varies directly with the volume of water. the pool has 2.5 milligrams of chlorine per
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Find out the  how much chlorine is in the pool .

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75708.2 milligrams of chlorine for 30283.28 litre of water .





3 0
2 years ago
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1/3 would be the answer
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