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3 years ago

5

In 2003 the population of an African country was about 15.8m people, which is 1 million more than 4 times the population in 1950

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What equation can be used to find the approximate population of millions in 1950?

1 answer:

almond37 [142]3 years ago

6 0

Answer:

4p +1 = 15.8

Step-by-step explanation:

If p represents the population in 1950, an appropriate equation might be ...

4p +1 = 15.8

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What number is to be multiplied with 1/3 to get 1/21

dybincka [34]

Answer:

1/7

Step-by-step explanation:

Since we do not know the number let us use the alphabet A to represent the unknown number

A × 1/3= 1/21

A/3= 1/21

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A×21= 3×1

21A= 3

Divide both sides by the coefficient of A which is 21

21A/21=3/21

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Hence the unknown number is 1/7

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Step-by-step explanation:

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3 years ago

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MAXImum [283]

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Step-by-step explanation:

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3 years ago

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Feliz [49]

Answer:

6) x = 40.5

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Step-by-step explanation:

6) 45/x = 20/18

simplify and cross-multiply to get:

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3 years ago

A function is shown f(x) = 2/3x +3 what is the value of f (6)?

Katena32 [7]

Answer:

The answer is 28/9

Step-by-step explanation:

Step one

Given information

We are given that the function is

$f(x) = 2/3x +3$

And we are expected to find f(6), that is substitute the value of x with 6

Step two:

$f(6)= 2/3(6)+3\\\\f(6)=2/18+3\\\\f(6)=1/9+3\\\\f(6)=1+27/9\\\\f(6)= 28/9$

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3 years ago