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Alekssandra [29.7K]
2 years ago
14

Pls help asap ill give brainlist if it lets me

Mathematics
2 answers:
zaharov [31]2 years ago
6 0

The mistake is

3/5/5/3 =-3/5 this is the mistake

but the answer is

3/5/5/3=3/5×3/5=9/25

kodGreya [7K]2 years ago
4 0

Answer:

5/3 = -3/5: 5/3 = -3/5 · 3/5 = -3 · 3/5 · 5 = -9/25 (-0.36)

Step-by-step explanation:

Dividing two fractions is the same as multiplying the first fraction by the reciprocal value of the second fraction.

The first sub-step is to find the reciprocal (reverse the numerator and denominator, reciprocal of 5/3 is 3/5) of the second fraction.

Next, multiply the two numerators.

Then, multiply the two denominators. In the following intermediate step, it cannot further simplify the fraction result by canceling. In other words - three fifths divided by five thirds = (negative) nine twenty-fifths.

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JulijaS [17]

Answer:

a. y = 4,200 0.976^{4t}

b. 9.2%

Step-by-step explanation:

Given the information:

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=> the base number of the exponential function is:

100% - 2.4% = 97.6% = 0.976

Let t is quarter

Let y is the population

=>  the following shows an exponential decay function to find the quarterly decay rate is:

y (t)= 4,200 0.976^{4t}

b. The population is decreasing by how much percent per quarter?

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Let t = 1 we have:  y(1) = 4,200 0.976^{4*1} = 3811

=> the decreasing percentage is:

= (y(0) - y(1)) / y(0)*100%

= (4200 - 3811) / 4200 *100%

= 389/4200*100%

= 9.2%

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Answer:

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Step-by-step explanation:

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