2,195 Answered Questions for the topic Pre Calculus

Pre Calculus

04/12/16

Wendy took a trip from Davenport to Omaha a distance of 300mi. She travelled part of the way by the bus, which arrived at the train station just in time for Wen
Wendy took a trip from Davenport to Omaha a distance of 300mi. She travelled part of the way by the bus, which arrived at the train station just in time for Wendy to complete her journey by train.... more
Follows • 2
Expert Answers •1
Pre Calculus

04/01/16

Among all rectangles that have a perimeter of 122 find the dimensions of the ones who's area is the largest
Write answer in fraction form 
Follows • 2
Expert Answers •1
Pre Calculus

03/22/16

solve the problem
What initial investment at 9% compounded semiannually for 3 years will accumulate to $12,000
Follows • 1
Expert Answers •1
Pre Calculus Algebra College Algebra

03/20/16

thirty gallons of a 20% acid solution is needed for an experiment. Only 40% and 10% acid solution are available. How much of each should be mixed to form the ne
thirty gallons of a 20% acid solution is needed for an experiment. Only 40% and 10% acid solution are available. How much of each should be mixed to form the needed solution?
Follows • 2
Expert Answers •1
Pre Calculus

03/18/16

How to solve pythagreom identities
(1+tan^(2)x)/csc^(2)x  
Follows • 1
Expert Answers •1

03/17/16

Calculate the area bounded by two curves below for x > 0.
Calculate the area bounded by two curves below for x > 0.       y=3xy=x^2
Follows • 2
Expert Answers •1
Pre Calculus Algebra College Algebra

03/17/16

The price of a small diamond ring was recently increased by 11%. If the ring originally cost $1900, find the mark up and the new price of the ring.
The price of a small diamond ring was recently increased by 11%. If the ring originally cost $1900, find the mark up and the new price of the ring.
Follows • 1
Expert Answers •1
Pre Calculus

03/07/16

If two goal posts are 12 meters apart. The ball is 25.8 meters from on post and 22.5 meters from the other post. Draw a diagram and use cosine law to solve.
This is a grade eleven Pre calculus question    
Follows • 2
Expert Answers •1
Pre Calculus

03/04/16

3 problem quastion
Country Day's scholarship fund receives a gift of $ 140000. The moneyis invested in stocks, bonds, and CDs. CDs pay 2 % interest, bondspay 3.7 % interest, and stocks pay 11.1 % interest. Country... more
Follows • 2
Expert Answers •1
Pre Calculus

03/02/16

the wrapping function
what is the wrapping function of 7pi/6
Follows • 2
Expert Answers •2
Pre Calculus

02/27/16

Let f(x)=16-x and g(x)=4-x. Find f/g(x)
Multiplying functions
Follows • 2
Expert Answers •1
Pre Calculus

02/24/16

Find the exact values
Find the exact value of the trig function given that sin u = 4/5 and cos v = -7/25  Both angles are in quadrant 2  Tan(u-v)
Follows • 1
Expert Answers •1
Pre Calculus

02/24/16

Write the expression as sline, cosine, or tangent of the angle
Write the expression as sline, cosine, or tangent of the angle sin 130cos50+cos130sin50
Follows • 2
Expert Answers •1
Pre Calculus

02/24/16

Identities
verify the identity sec^2x cot x - cot x =tan x
Follows • 3
Expert Answers •3
Pre Calculus

02/24/16

Use the power reducing formula to rewrite in terms of the first power of cosine
Use the power reducing formula to rewrite in terms of the first power of cosine cos^4 2x
Follows • 2
Expert Answers •1
Pre Calculus

02/21/16

How much of a 60% acid solution must be mixed with 50 gallons of a 24% acid solution to obtain a solution that is 50% acid?
How much of a 60% acid solution must be mixed with 50 gallons of a 24% acid solution to obtain a solution that is 50% acid?
Follows • 2
Expert Answers •1
Pre Calculus

02/08/16

How to find vertex, focus, directix and axis of symmetry of a parabola.
Find the vertex, focus, directrix, and axis of symmetry of the parabola.(y=1)^2=-2(x-3)
Follows • 1
Expert Answers •1
Pre Calculus

02/08/16

Mike covered 24 kilometers in 2 hours and the next 18 kilometers in 1 hour. What is his average speed per hour for the total journey?
answer choices are 9,6,14, and 12 kilometers
Follows • 2
Expert Answers •1
Pre Calculus

02/07/16

please help me on this
When downloading a large file, Travis noticed that the estimated time remaining to complete the download decreased by 40 seconds for each additional megabyte downloaded. When he started the... more
Follows • 2
Expert Answers •1
Pre Calculus

02/07/16

My daughter is stuck
x^2+y^2-4x+2y-4=0
Follows • 4
Expert Answers •3
Pre Calculus

02/07/16

Pre Calc Homework, any help is appreciated!
A hangar is formed of a half cylinder with a rectangular base and two open, semicircular ends. The curved roof costs $7 per ft2 to build. Find an expression that represents the cost per volume of... more
Follows • 3
Expert Answers •1
Pre Calculus

02/07/16

please help me on this one
exists between x and y such that Delta y = -4.8 Delta x. a. As x varies from 4 to 6.5, how does the value of y vary? The value of y changes by __________________ . b. As x varies from 3.3 to -2.8,... more
Follows • 1
Expert Answers •1
Pre Calculus

02/06/16

Please help me on this
A sugar cookie recipe calls for 3 cups of flour for every 2 cups of surgar. If y is the number of cups of flour and x is the number of cups of surgar. Write a formula to determine the number of... more
Follows • 3
Expert Answers •1
Pre Calculus

02/06/16

Please help me on this one
A word processor determines the width of the body of text on a page. If the page is originally 5 inches wide and has two equal size margins of x inches of each side of the text , write formula... more
Follows • 1
Expert Answers •1
Pre Calculus

01/29/16

Determine whether a baseball hit 4ft above ground at 115ft per second at an angle of 25 degrees relative to level ground will clear a 10-foot wall 310 ft away.
I need help with the steps and answer 
Follows • 2
Expert Answers •1

Still looking for help? Get the right answer, fast.

Ask a question for free

Get a free answer to a quick problem.
Most questions answered within 4 hours.

OR

Find an Online Tutor Now

Choose an expert and meet online. No packages or subscriptions, pay only for the time you need.