2,208 Answered Questions for the topic Pre Calculus

Pre Calculus

10/26/16

A carousel makes 12 revolutions during a 5-minute ride. What is the angular frequency of the carousel?
 How do you find angular frequency in word problems?
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10/25/16

35 T-Shirt order costs 337.50. 56 cost 516. Include shipping and handling. Cost per shirt? Shipping and handling Charge? Linear Equation?
The first order was for 35 T-shirts and it cost $337.50. The second order was for 56 T-shirts and it cost $516. The prices include a standard shipping and handling charge. What is the cost per... more
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10/21/16

how much was invested in each vehicle?
Country Day's scholarship fund receives a gift of $ 188240.607247983. The money is invested in stocks, bonds, and CDs. CDs pay 2.5 % interest, bonds pay 5.5 % interest, and stocks pay 10.1 %... more
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Pre Calculus

10/10/16

slope is – 2/7 and the x-intercept is ( – 7 , 0 )
Find the equation of the line in the form ax+by=c
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Pre Calculus

10/04/16

Tan x = square root of -3 if 0<x<360
(tan x) = √-3 if 0°≤ x ≤ 360°
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Pre Calculus

10/02/16

A number divided my 9 is equal to the number decreased my 80. Find the number
Can you please solve for me
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Pre Calculus Math Algebra 2 Math Help

09/27/16

express the following function f(x) as a composition of two functions f and g: f(g(x)) F(x)=x^2/(x^2 +4) Part 1: What function is g(x) Part 2: What function is
express the following function f(x) as a composition of two functions f and g: f(g(x))F(x)=x^2/(x^2 +4) Part 1: What function is g(x)Part 2: What function is f(x)PArt 3: Verify that f(g(x))=F(x)
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Pre Calculus

09/20/16

-4f(x-1)+2 has both rigid and non rigid transformations. True or false
Transformations
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09/12/16

The hardwood Floor Word Problem
Jason and Omar are laying a hardwood floor. Working alone, Jason can do the job in 20 hours. If the two of them work together, they can complete the job in 12 hours. How long would it take Omar to... more
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09/07/16

Pre-Calculus: Writing Linear Equations
Write an equation in slope-intercept form of the line that has slope -4 and passes through the point at (2,-2).
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Pre Calculus

09/06/16

idk how to solve this really need help
A ladder l = 21 ft long is leaning against thewall of a house. The base of the ladder ispulled away from the wall at a rate of 2.1 ft/s,and the top slides down the wall. Considerthe triangle formed... more
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Pre Calculus

09/06/16

Neil believes the two arcs subtwnded bt a 195 degree angle and by a -165 degree angle in a circle with a radius of 10 inches will have the same length. Explain
Neil believes the two arcs subtwnded bt a 195 degree angle and by a -165 degree angle in a circle with a radius of 10 inches will have the same length. Explain neils mistake
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Pre Calculus

09/05/16

G(x)=x/x^2-5x
Find the domain of the function 
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Pre Calculus

09/05/16

I don't know where to start I know the negatives need to change places so they are not negative anymore that's it.
(x-1/2 Y4/3)0 times X-3Y0)2/3÷X2/3Y-3/4
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Pre Calculus

09/05/16

how would I do 2 divided by the cube root of 20
2÷³√20
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Pre Calculus

08/28/16

2 trucks leave a warehouse at the same time. 1 travels east at 55mi/hr, and the other travels due west at 47mi/hr. After how many hours will the 2 trucks be
2 trucks leave a warehouse at the same time. 1 travels east at 55mi/hr, and the other travels due west at 47mi/hr. After how many hours will the 2 trucks be 714 miles apart   
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Pre Calculus

08/28/16

Matt and cara take eight hours to mow the lawn. Cara alone takes four times as long as Matt. How long does Matt take alone?
Matt and cara, working together, can mow a lawn in eight hours. Working alone, cara takes four times as long as Matt. How long does it take Matt to mow the lawn alone?
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Pre Calculus

08/27/16

Write the equation of the line which passes through (3, –5) and is perpendicular to the line with equation 3y – x = –5.
Please help me asap
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Pre Calculus

08/25/16

g(x) = x / x^2 + x - 8
what is the domain of this equation 
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Pre Calculus

08/24/16

If f is a function defined by the equation y=?f(x), then x is called the what?
 If f is a function defined by the equation y=?f(x), then x is called the
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Pre Calculus Precalculus Math Help

08/23/16

How do you find tangent,csc,sec, and cot? Please list examples.... thank you!
 Can you list examples using the unit circle thanks!
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Pre Calculus Algebra 1 Math Help

08/23/16

Questions down below... These are kinda thinking problems I've tired to figure it out but have had no luck! Please help thanks!
Question #1 Place only addition signs between seven 7's so that their sum is 175   Question #2 The digits 1 to 9 are written in consecutive order. Use the four basic operations: Addition,... more
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Pre Calculus

08/12/16

Pre cal help URGENT
Which of the following is a solution to 3tanθ=√3  ?   π/6   -π/2   π/3   π/2
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Pre Calculus

07/25/16

find the concentration of hydrogen ions in each cleaner and use it to compare the hydrogen concentrations of the two cleaners
The pH of formula 409 glass and surface cleaner is 9.5, while the pH of Fantastik is 10.0 find the concentration of hydrogen ions in each cleaner and use it to compare the hydrogen concentrations... more
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Pre Calculus

07/19/16

The height of an object thrown upward from the surface of a planet is given by the function s(t) = -2t2 + 28t, where t is the time in seconds and s(t) is the he
i do not understand how to do this problem. it is pre calculus
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