2,195 Answered Questions for the topic Pre Calculus

Pre Calculus Calculus Calc Calculus 2

12/17/20

If payments are made at the end of each​ period, how much money will be in the account in 6 ​years?
In order to accumulate enough money for a down payment on a​ house, a couple deposits $254 per month into an account paying 6% compounded monthly. If payments are made at the end of each​ period,... more
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Pre Calculus

12/17/20

Modeling with Trig Functions (Section 6.5)
Outside temperature over a day can be modeled as a sinusoidal function. Suppose you know the high temperature of 73 degrees occurs at 6 PM and the average temperature for the day is 60 degrees.... more
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Pre Calculus

12/15/20

I'm not sure how to solve this, or find the formula

4. Grinnell Glacier in Glacier National Park in Montana covered about 142 acres in 2007 and was found to be shrinking at about 4.4% per year. a. [2 pts] Let denote the area of Grinnell Glacier in... more
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Pre Calculus Calculus Calc Calculus 2

12/15/20

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​ = ​$2300.00​, A​ = ​$2328.75​, t​ =... more
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Pre Calculus Calculus Calc Calculus 2

12/15/20

You can afford monthly deposits of $250 into an account that pays 2.7% compounded monthly. How long will it be until you have $10,000 to buy a​ boat?
You can afford monthly deposits of $250 into an account that pays 2.7% compounded monthly. How long will it be until you have $10,000 to buy a​ boat?Type the number of​ months: ___________​(Round... more
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Pre Calculus Calculus Calc Calculus 2

12/15/20

3.3 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.)
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Pre Calculus Calculus Calc Precalc

12/15/20

. Find the probability that the spinner lands on blue. Find the number of elements in event​ E, n(E), and the total number of outcomes in the sample​ space, n(S).
A circular spinner is divided into 9 sectors of equal area. There are 2 red​ sectors, 3 ​blue, 3 ​yellow, and 1 green. Consider the experiment of spinning the spinner once. Find the probability... more
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Pre Calculus Calculus Precalculus Calc

12/15/20

If one can is selected at random from the​ cooler, determine the probability that the soda selected is cola​, orange soda, or root beer.
A cooler at a picnic contains 100 cans of soda covered by ice. There are 30 cans of​ cola, 42 cans of orange​ soda, 16 cans of ginger​ ale, and 12 cans of root beer. The cans are all the same... more
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Pre Calculus Calculus Precalculus Calc

12/15/20

An experiment consists of drawing 1 card from a standard​ 52-card deck. What is the probability of drawing a black card​?

An experiment consists of drawing 1 card from a standard​ 52-card deck. What is the probability of drawing a black card​? Find the number of elements in event​ E, n(E), and the total number of... more
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12/15/20

Find and simplify the expression if f(x)=x2−3. ​f(2+​h)
Find and simplify the expression if f(x)=x2−3.​f(2+​h)​f(2+​h)= _______ ​(Simplify your answer. Do not​ factor.)
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Pre Calculus Calculus Calc Calculus 2

12/15/20

Using the formula for simple interest and the given​ values, find I.
Using the formula for simple interest and the given​ values, find I.P=$300​; r=8%​; t=7 years​; I=​?
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Pre Calculus

12/15/20

f(x)=5x^4-45x^2 a. roots and multiplicities b. tendancies/end behaviors c. number of curves d. y-intercept e. sketch the graph
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Pre Calculus

12/15/20

f(x)=(3-x)^2 (x^2-4) a. roots and multiplicities b. tendancies/end behaviors c. number of curves d. y-intercept e. sketch the graph
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12/15/20

Find the domain for g(x) = x+1/x^2-x-6
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12/14/20

Trig Equations and Identity

The angle of elevation to the top of a Building in New York is found to be 4 degrees from the ground at a distance of 2 miles from the base of the building. Using this information, find the height... more
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Pre Calculus Calculus Precalculus

12/14/20

A 27-ft ladder leans against a building so that the angle between the ground and the ladder is 82º.How high does the ladder reach on the building? ___ft
A 27-ft ladder leans against a building so that the angle between the ground and the ladder is 82º.How high does the ladder reach on the building? ___ft
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12/14/20

Trig Equations and identity
A radio tower is located 250 feet from a building. From a window in the building, a person determines that the angle of elevation to the top of the tower is 41° and that the angle of depression to... more
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12/14/20

Pre calculus compounding interest questions
You have received a large inheritance your goal is to double it. How long will it have to remain on each of the following investments to reach your goala) compounded monthly at an APR of 18.55%b)... more
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Pre Calculus Calculus Calc Precalc

12/14/20

Find and simplify the expression if f(x)=x2−4. ​f(7+​h)
Find and simplify the expression if f(x)=x2−4.​f(7+​h)​f(7+​h)= _________​(Simplify your answer. Do not​ factor.)
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Pre Calculus Calculus Calc Calculus 2

12/14/20

If one can is selected at random from the​ cooler, determine the probability that the soda selected is ginger ale​, orange soda, or root beer.

A cooler at a picnic contains 100 cans of soda covered by ice. There are 34 cans of​ cola, 38 cans of orange​ soda, 11 cans of ginger​ ale, and 17 cans of root beer. The cans are all the same size... more
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Pre Calculus Calculus Precalculus Calc

12/14/20

Solve the following problem. n=29​; i=0.033​; PMT=$195​; PV=?
Solve the following problem.n=29​; i=0.033​; PMT=$195​; PV=?PV=$________ ​(Round to two decimal​ places.)
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Pre Calculus Calculus Calc Precalc

12/14/20

Find i​ (the rate per​ period) and n​ (the number of​ periods) for the following loan at the given annual rate.

Find i​ (the rate per​ period) and n​ (the number of​ periods) for the following loan at the given annual rate.Annual payments of ​$4,700 are made for 11 years to repay a loan at 4.85​% compounded... more
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Pre Calculus Calculus Calc Calculus 2

12/14/20

Use the future value formula to find the indicated value.
Use the future value formula to find the indicated value.FV=$5774​; n=9​; i=0.06​; PMT=?PMT=​$_______​(Round to the nearest​ cent.)
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Pre Calculus Calculus Calc Calculus 2

12/14/20

Use the future value formula to find the indicated value.
Use the future value formula to find the indicated value.n=50​; i=0.04​; PMT=$92​; FV=?FV=​$____________​(Round to the nearest​ cent.)
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Pre Calculus

12/13/20

Let the angles of a triangle be 𝛼, 𝛽, and 𝛾, with opposite sides of length a, b, and c, respectively. Use the Law of Cosines and the Law of Sines to find the remaining parts of the triangle.
(Round your answers to one decimal place.)𝛽 = 54.5°;  a = 8;  c = 11.5Find: b = 𝛼 = 𝛾 =
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