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3 years ago

9

Lisa has 100 dollars in A savings account. The interest rate is 5% per year and is not compounded. How much interest will she ea

rn in four years?

2 answers:

den301095 [7]3 years ago

7 0

20 dollars, she will earn this because five percent of one hundred is five, times five by four and you get your answer of twenty!

grigory [225]3 years ago

4 0

She would have $20 after 4 years.

Work:

100 x 0.05(5%) = 5

4 x 5 = 20

Hope this helps!

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Step-by-step explanation:

The NPV gives the difference between the present value of cash inflow and cash outflow over a certain period of time.

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From the Internal rate of return value obtained, we can conclude that, project B is more profitable as it has a higher IRR than project A.

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3 years ago

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3 years ago

Assuming that the equations define x and y implicitly as differentiable functions x=f(t),y=g(t) find the slope of the curve x=f(

Mumz [18]

The given equations are
$x(t+1)-4t \sqrt{x} =9$ (1)
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$x=9 \\ 2y+4y^{3/2}=0 \,\,=\ \textgreater \ \, y(1+2 \sqrt{y} )=0 \,=\ \textgreater \ \,y=0$

Obtain derivatives of (1) and find x'(0).
x' (t+1) + x - 4√x - 4t*[(1/2)*1/√x = 0
x' (t+1) + x - 4√x -27/√x = 0
When t=0, obtain
x'(0) + x(0) - 4√x(0) = 0
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x'(0) = 3
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Obtain the derivative of (2) and find y'(0).
2y' + 4*(3/2)*(√y)*(y') = 3t² + 1
When t=0, obtain
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$\frac{dy}{dx} |_{t=0}\, = \frac{1/2}{3}= \frac{1}{6}$

Answer:
The slope of the curve at t=0 is 1/6.

3 0

3 years ago