3 years ago

Rearrange the formula to make b the subject a = √((b) /4 )-2

Mathematics

1 answer:

seropon [69]3 years ago

6 0

Answer:

A=12

Step-by-step explanation:

So if your equation is carrat over b you have to find 4 and -2 first then find your substitute

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Free_Kalibri [48]

Answer:

16. a = 13

Step-by-step explanation:

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4 0

3 years ago

"Assuming a current world population of 8 billion people, an annual growth rate of 1.8% per year, and a worst-case scenario of e

Ganezh [65]

Answer:

The world population will be 11.64 billions in 21 years.

Step-by-step explanation:

Initial population = 8 billion

Growth rate = 1.8% per year =0.018

Time = 21 years

We are supposed to find what will the world population be in 21 years

Formula : $y = a (1+r)^t$

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t = time in years

Substitute the values :

$y =8(1+0.018)^{21}$

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Hence the world population will be 11.64 billions in 21 years.

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4 years ago