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dexar [7]
3 years ago
10

The principal balance of a loan is $360,000. The monthly principal and interest payment will be $2,160 per month for 30 years. H

ow much interest will be paid over the term of the loan? $288,000, $360,000, $417,600 or $777,600?
Mathematics
1 answer:
balandron [24]3 years ago
4 0
The total amount repaid will be
.. monthly payment × number of months
.. = $2,160 × 360
.. = $777,600
Subtracting the amount of the principal that was repaid gives the interest.
.. $777,600 -360,000 = $417,600 . . . . total interest paid
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The amount of money he lose on the last tool set is: $30.60.

<h3>Amount lose</h3>

Using this formula

Amount lose=Original amount paid -Selling price

Where:

Original amount paid=$54.60

Selling price=$24.00

Let plug in the formula

Amount lose=$54.60-$24.00

Amount lose=$30.60

Therefore the amount of money he lose on the last tool set is: $30.60.

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Answer:

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Step-by-step explanation:

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A small publishing company is planning to publish a new book. The production costs will include one-time fixed costs (such as ed
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Step-by-step explanation:

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3 years ago
The circumference of the circle is increasing at a rate of 0.5 meters per minute. What's the rate of change of the area of the c
morpeh [17]

Answer:

The rate of change of the area of the circle when the radius is 4 meters = 2 meters²/minute ⇒ answer 4

Step-by-step explanation:

* Lets revise the chain rule in the derivative

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∴ dy/dx = dy/da ÷ dx/da = m ÷ n = m/n

* In our problem we have

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- We need the find the rate of change of the area of the circle

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- The common element between the circumference and the area

 of the circle is the radius of the circle

* We must to find dC/dr and dA/dr and use the chain rule to

 find dA/dr

- Find the rate of change of the radius dr/dt

∵ C = 2πr

- Find the derivative of C with respect to r

∴ dC/dr = 2π ⇒ (1)

∵ dC/dt = 0.5 meters/minute ⇒ (2)

- Divide (1) by (2) to get dr/dt by using chain rule

∵ dC/dt ÷ dC/dr = 0.5 ÷ 2π

∴ dC/dt × dr/dC = 0.5 × 1/2π ⇒ cancel dC together and change

   0.5 to 1/2

∴ dr/dt = 1/2 × 1/2π = 1/4π ⇒ (3)

- Find the rate of change of the area dA/dt

∵ A = πr²

- Find the derivative of A with respect to r

∴ dA/dr = 2πr

∵ r = 4

∴ dA/dr = 2π(4) = 8π ⇒ (4)

- Multiply (4) by (3) to get dA/dt by using chain rule

∵ dA/dr × dr/dt = 8π × 1/4π ⇒ divide 8 by 4 and cancel π

∴ dA/dt = 2 meters²/minute

* The rate of change of the area of the circle when the radius is

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3 0
3 years ago
Guided Practice
s2008m [1.1K]

Answer:

A.

1.125%; 0.375%

Step-by-step explanation:

Quarterly interest rate is 4.5 / 4 = 1.125%.

Monthly rate is 4.5 / 12 = 0.375%.

6 0
2 years ago
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