3 years ago

Help Me for number 2

Mathematics

1 answer:

Andreas93 [3]3 years ago

3 0

He forgot to multiply 8*2

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Country bank pays a simple interest rate of 4% per year. A student plans to invest 5000. How much money will the student have at

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Answer:

$6200

Step-by-step explanation:

Given data

Rate= 4%

Principal=$5000

Time = 6 years

The simple interest formula is

A=P(1+rt)

substitute

A=5000(1+0.04*6)

A= 5000(1+0.24)

A=5000*1.24

A=$6200

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Answer:

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Step-by-step explanation:

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Marina86 [1]

Answer:

$f(x) = (4\sqrt{5})^{x}$

Step-by-step explanation:

The exponential function looks like the following: $f(x) = b^{x}$ .

If the function passes through the point (2, 80), then:

$f(x) = b^{x}$ → $80 = b^{2}$

Solving for 'b':

$b = \sqrt{80}$ → $b=4\sqrt{5}$

Then, the equation of exponential function that passes through the point (2, 80) is: $f(x) = (4\sqrt{5})^{x}$

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