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3 years ago

10

Joan’s uncle has promised her $20,000 when she graduates college 4 years from now. What is the equivalent amount stated in today

’s dollars?
A) Given below are the present value factors for 1 at 8%
B) for one to three periods
C) with interest compounded annually.

1 answer:

MaRussiya [10]3 years ago

8 0

Answer:

2:10

Step-by-step explanation:

pow pow

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3 years ago

Kyle is making a frame for a rectangular piece of art. The length of the frame is 3 times the width, as shown below.

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Answer:

3.75 feet

Step-by-step explanation:

The length of the frame is 3 times the width.

Let the width be x.

The length will be 3x.

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3 years ago

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Step-by-step explanation:

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3 years ago

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Step-by-step explanation:

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2 years ago

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A spherical balloon is being inflated at a rate of 3 cubic inches per second. Determine the change in the rate of the radius.How

Novay_Z [31]

Answer:

The rate rate of change of radius is $\frac{1}{48\pi}$ inches per second when the diameter is 12 inches.

The radius is changing more rapidly when the diameter is 12 inches.

Step-by-step explanation:

Consider the provided information.

A spherical balloon is being inflated at a rate of 3 cubic inches per second.

The volume of sphere is $V=\frac{4}{3}\pi r^3$

Differentiate the above formula with respect to time.

$\frac{dV}{dt}=4\pi r^2\frac{dr}{dt}$

Substitute the respective values in the above formula,

$3=4\pi 6^2\frac{dr}{dt}$

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The rate rate of change of radius is $\frac{1}{48\pi}$ inches per second when the diameter is 12 inches.

When d=16

$3=4\pi 8^2\frac{dr}{dt}$

$\frac{3}{256\pi}=\frac{dr}{dt}$

Thus, the radius is changing more rapidly when the diameter is 12 inches.

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3 years ago