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142 Answered Questions for the topic Precalc

Precalc Math Trigonometry

1d

The Unit Circle and Trignomoetric Functions

Use the Sum Formula for Cosine to derive the following identity for the average rate of change of the cosine function:cos (x + h) − cos x /h = cos x (cos h − 1)/h − sin x (sin h)/h Note: You will... more

11/02/20

Find i​ (the rate per​ period) and n​ (the number of​ periods) for the following annuity. Monthly deposits of ​$400 are made for 6 years into an annuity that pays 7​% compounded monthly.

Find i​ (the rate per​ period) and n​ (the number of​ periods) for the following annuity.Monthly deposits of ​$400 are made for 6 years into an annuity that pays 7​% compounded monthly.i=... more

11/02/20

The principal P is borrowed and the​ loan's future value A at time t is given. Determine the​ loan's simple interest rate r to the nearest tenth of a percent.

The principal P is borrowed and the​ loan's future value A at time t is given. Determine the​ loan's simple interest rate r to the nearest tenth of a percent.P​ = ​$3400.00​, A​ = ​$3472.25​, t​ =... more

10/26/20

Use technology and the future value formula to find i. FV=​$7,426​; PMT=​$600​; n=9​; i=​?

Use technology and the future value formula to find i.FV=​$7,426​; PMT=​$600​; n=9​; i=​?i=______​(Round to two decimal places as​ needed.)

10/26/20

Use the formula for the present value of an ordinary annuity or the amortization formula to solve the following problem.

Use the formula for the present value of an ordinary annuity or the amortization formula to solve the following problem.PV=​$17,000​; i=0.005​; PMT=​$650​; n=​?n=________ ​(Round up to the nearest​... more

10/26/20

The ad for a​ 4-door sedan claims that a monthly payment of ​$349 constitutes​ 0% financing. Explain why that is false.

The ad for a​ 4-door sedan claims that a monthly payment of ​$349 constitutes​ 0% financing. Explain why that is false. Find the annual interest rate compounded monthly that is actually being... more

10/25/20

You can afford monthly deposits of $270 into an account that pays 3.9% compounded monthly. How long will it be until you have $6,400 to buy a​ boat?

You can afford monthly deposits of $270 into an account that pays 3.9% compounded monthly. How long will it be until you have $6,400 to buy a​ boat?Type the number of​ months: ______​(Round to the​... more

10/25/20

What is the APY for money invested at each​ rate? ​(A) 11​% compounded monthly ​(B) 12​% compounded continuously

What is the APY for money invested at each​ rate?​(A) 11​% compounded monthly​(B) 12​% compounded continuously​(A) APY=_______ ​% ​(Round to three decimal places as​ needed.)(B) APY = ________ %... more
Precalc Calculus Calculus

10/25/20

Use technology and the future value formula to find i. FV=​$7,426​; PMT=​$600​; n=9​; i=​?

Use technology and the future value formula to find i.FV=​$7,426​; PMT=​$600​; n=9​; i=​?i= _______​(Round to two decimal places as​ needed.)

10/25/20

Find i​ (the rate per​ period) and n​ (the number of​ periods) for the following annuity. Semiannual deposits of ​$2,700 are made for 9 years into an annuity that pays 7.2​% compounded semiannually.

Find i​ (the rate per​ period) and n​ (the number of​ periods) for the following annuity.Semiannual deposits of ​$2,700 are made for 9 years into an annuity that pays 7.2​% compounded... more

10/25/20

Use the future value formula to find the indicated value. n=22​; i=0.02​; PMT=$51​; FV=?

Use the future value formula to find the indicated value.n=22​; i=0.02​; PMT=$51​; FV=?FV=​$ ____________​(Round to the nearest​ cent.)

10/25/20

More Money 4U offered an annuity that pays 6.6% compounded monthly. If $1,529 is deposited into this annuity every​ month, how much is in the account after 12 ​years? How much of this is​ interest?

​Recently, More Money 4U offered an annuity that pays 6.6% compounded monthly. If $1,529 is deposited into this annuity every​ month, how much is in the account after 12 ​years? How much of this... more

10/25/20

If ​$15,000 is invested at 3​% compounded monthly​, what is the amount after 9 ​years?

If ​$15,000 is invested at 3​% compounded monthly​, what is the amount after 9 ​years?The amount after 9 years will be ​$ ________ (round to the nearest cent)

10/25/20

Use the continuous compound interest formula to find the indicated value. A=​$16,142​; P=​$12,200​; t=36 ​months; r=​?

Use the continuous compound interest formula to find the indicated value.A=​$16,142​; P=​$12,200​; t=36 ​months; r=​?r=__________​%​(Round to three decimal places as​ needed.)

10/24/20

The annual interest rate on a credit card is 14.99​%. If a payment of ​$100.00 is made each​ month, how many months will it take to pay off an unpaid balance of ​$2,546.26​?

The annual interest rate on a credit card is 14.99​%. If a payment of ​$100.00 is made each​ month, how many months will it take to pay off an unpaid balance of ​$2,546.26​? Assume that no new... more

10/24/20

You want to purchase an automobile for $32,383. The dealer offers you​ 0% financing for 48 months or a $6,122 rebate. You can obtain 5.7% financing for 48 months at the local bank.

You want to purchase an automobile for $32,383. The dealer offers you​ 0% financing for 48 months or a $6,122 rebate. You can obtain 5.7% financing for 48 months at the local bank. Which option... more

10/24/20

they paid $24,252 down on a new house and are to pay $820 per month for 15 years. If interest is 4.5% compounded​ monthly, what was the selling price of the​ house?

Some friends tell you that they paid $24,252 down on a new house and are to pay $820 per month for 15 years. If interest is 4.5% compounded​ monthly, what was the selling price of the​ house? How... more

10/21/20

You can afford monthly deposits of $270 into an account that pays 3.9% compounded monthly. How long will it be until you have $6,400 to buy a​ boat?

You can afford monthly deposits of $270 into an account that pays 3.9% compounded monthly. How long will it be until you have $6,400 to buy a​ boat?Type the number of​ months: ______​(Round to... more
Precalc Math Calculus

10/21/20

Use technology and the future value formula to find i.

Use technology and the future value formula to find i.FV=​$6,167​; PMT=​$700​; n=7​; i=​? i = ________

10/20/20

You can afford monthly deposits of $190 into an account that pays 3.3% compounded monthly. How long will it be until you have $8,900 to buy a​ boat?

You can afford monthly deposits of $190 into an account that pays 3.3% compounded monthly. How long will it be until you have $8,900 to buy a​ boat?Type the number of​ months: _________​(Round to... more
Precalc Math Business

10/20/20

Use the compound interest formula to find the present value​ P, for the following given values.

Use the compound interest formula to find the present value​ P, for the following given values.A=$20,200i=0.038n=93P=$ _______ ​(Round to the nearest​ cent.)
Precalc Calculus Calc

10/20/20

If ​$16,000 is invested at 4​% compounded quarterly​, what is the amount after 10 ​years?

If ​$16,000 is invested at 4​% compounded quarterly​, what is the amount after 10 ​years?The amount after 10 years will be ​$ ______
Precalc Calculus Calc

10/20/20

How long will it take money to quadruple if it is invested at the following​ rates? ​(A) 5.2​% compounded weekly ​(B) 6.5​% compounded

How long will it take money to quadruple if it is invested at the following​ rates?​(A) 5.2​% compounded weekly​(B) 6.5​% compoundedA) _____ YEARS (Round to two decimal places as needed)
Precalc Business Calculus

10/20/20

A newborn child receives a ​$5,000 gift toward a college education from her grandparents. How much will the $5,000 be worth in 19 years if it is invested at 5.3​% compounded​ quarterly?

A newborn child receives a ​$5,000 gift toward a college education from her grandparents. How much will the $5,000 be worth in 19 years if it is invested at 5.3​% compounded​ quarterly?
Precalc Math Business

10/17/20

Using the formula for simple interest and the given​ values, find I. P=$700​; r=9%​; t=4 years​; I=​?

Using the formula for simple interest and the given​ values, find I.P=$700​; r=9%​; t=4 years​; I=​?
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