Find fraction between 3/2 and 1/34

Mathematics

1 answer:

Salsk061 [2.6K]3 years ago

3 0

The average of any two numbers lies between those two numbers:

$\dfrac{\frac32+\frac1{34}}2=\dfrac{\frac{51}{34}+\frac1{34}}2=\dfrac{\frac{52}{34}}2=\dfrac{26}{34}=\boxed{\dfrac{13}{17}}$

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AfilCa [17]

Answer:

$Q(t) = 4.5(1.013)^{t}$

The world population at the beginning of 2019 will be of 7.45 billion people.

Step-by-step explanation:

The world population can be modeled by the following equation.

$Q(t) = Q(0)(1+r)^{t}$

In which Q(t) is the population in t years after 1980, in billions, Q(0) is the initial population and r is the growth rate.

The world population at the beginning of 1980 was 4.5 billion. Assuming that the population continued to grow at the rate of approximately 1.3%/year.

This means that $Q(0) = 4.5, r = 0.013$

$Q(t) = Q(0)(1+r)^{t}$

$Q(t) = 4.5(1.013)^{t}$

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2019 - 1980 = 39. So this is Q(39).

$Q(t) = 4.5(1.013)^{t}$

$Q(39) = 4.5(1.013)^{39} = 7.45$

The world population at the beginning of 2019 will be of 7.45 billion people.

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3 years ago

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Vilka [71]

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3 years ago

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ExtremeBDS [4]

Answer:

Step-by-step explanation:

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