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2 years ago

Kamil invests 9000 for 4 years his investment pays compound interest of x% per anumn

1 answer:

6 0

To get the Total amount upon investment for the compound interest, plug in the value of x into the given expression bellow

A = 9,000.00(1 + x/100)^(4)

Given data

Principal = $9000

Time = 4 years

Rate = x% per annum

<h3>Solution</h3>

Step one:

First, convert R as a percent to r as a decimal

r = x/100

Step two:

Then solve the equation for A

A = P(1 + x/100)^t

A = 9,000.00(1 + x/100)^(4)

Summary:

The total amount accrued, principal plus interest, with compound interest on a principal of $9,000.00 at a rate of x% per year.

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3 years ago

A tennis ball is 2 inch in diameter. How many tennis ball will fill a room of 20ft by 16ft by 18ft if no space wasted?

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The number of tennis ball that will fill the room is 1,371 tennis balls.

Given:

Diameter of ball (d) : 2 inch

Radius (r) = half of diameter = 1 inch

Dimension of room = 20ft by 16ft by 18ft

Number of balls that will fill the room = Volume of each ball/volume of the room

Volume of the ball = volume of a sphere = $\frac{4}{3} \pi r^{3}$

Where,

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let $\pi = 3.14$

Substitute:

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