04/30/15
four times the number of white marbles exceeded 9 times the number of red marbles by 10. The ration of blue marbles to red marbles was 3 to 1. There is a total
How to form a system with variables.
04/29/15
helpme me please
1. Find the rate of change of f (x)= x^+25 from x=-2 to x=1
2. Use long division to find the quotient and reminder: 6x^3 -x^2-5x+4/3x-2
3. the exponential function passing through (0,3)...
more
04/28/15
Help please...math
Teaching Fractions through measurement: Please create a task for students where they can use whole number measurements to answer the following fraction computation:
1/6+ 2/3
Why did you select...
more
04/27/15
math questions
Determine the effective annual yield to the nearest tenth of a percent for each Investment. Then select the best Investment.
A. 5%compounded monthly
B. 5.1% compounded...
more
04/25/15
Problem solving
Boat:initially traveling 150 mph 100degrees north east, suddenly enters a region where the wind is blowing 50 mikes south west. What is the resultant direction of the boat. I considered using the...
more
04/24/15
A runner Is sprinting n45 degrees at 20mph through wind blowing n30 degrees at 10 mph. Find the true speed of the man.
Please write out the steps of the problem. Thank you.
Tessa invests $7200 in a savings account which earns 5.5% annual interest, compound quarterlt. What will be the value of her investment after 7 years? Round to
Tessa invests $7200 in a savings account which earns 5.5% annual interest, compound quarterlt. What will be the value of her investment after 7 years? Round to the nearest integer
04/21/15
grurhejehrhejrjejejeparabolas
Use the information provided to write the vertex form equation of each parabola.
1) x=-2y^2-12y-11
2) x=y^2+14y+42
3) x=-7y^2-84y-259
4) x=-14y^2+224y-902
5) y=3x^2+12x+3
6) y=-x^2+10x-18
7)...
more
04/21/15
olve the following quadratic inequality by determining the roots, sketch the parabola in relation to the x axis and determine if the parabola is above or below
solve the following quadratic inequality by determining the roots, sketch the parabola in relation to the x axis and determine if the parabola is above or below the x axis ...
more
A stone dropped from the rest travels 113 feet in the first 2 seconds. How far will it have fallen at the end of 5 seconds? ( round the answer to the nearest in
A stone dropped from the rest travels 113 feet in the first 2 seconds. How far will it have fallen at the end of 5 seconds? ( round the answer to the nearest integer)
04/20/15
how to solve word problem
Last year you could get a hamburgedr, fries, and a cola at Francisco's for $2.70. Since the price of a hamburger has increased 20%, the price of fries has increased 10%, and the price of a cola has...
more
04/20/15
General solution of; sin(x-20)=cos(x+30)
How do I find the general solution, do I need to equate them to zero?
Orchard Tree Word Problem
An orchard tree contains 200 apples, each of them yields about 500 apples over the growing season, the owner adds more trees, but the new tree will reduce the average yield per trees by about 9...
more
04/19/15
Determine whether the given ordered pair is a solution of the system of equations.
Determine whether the given ordered pair is a solution of the system of equations. Remember to use alphabetically ordered variables.
(4,1); 2x-5y=3
6x-7y=17
Is the given...
more
04/19/15
Solve the system of equations by graphing
x=-y
x+y=9
Use the graphing tool to graph the system.
What is the solution of the system of equations? Select the correct choice below and, if necessary, fill in the box to complete your...
more
04/19/15
Solve the system of equations by graphing
3x-y=4
2x+y=-4
Use the graphing tool to graph the system.
What is the solution of the system of equations? Select the correct choice below and, if necessary, fill in the answer box o...
more
04/19/15
Solve the system of equation by graphing.
Solve the system of equation by graphing.3x-y=42x+y=-4___ (Type an order pair)
04/19/15
If the two functions are inverses, which of the following statements correctly verifies this?
If the two functions are inverses, which of the following statements correctly verifies this?f(x)=(4x+12)/6and g(x)=(6x+12)/4A. g(f(x))=g(4x+12/6)=(6(4x+12/6)+12)/4=xB....
more
04/18/15
Following a severe snow storm, Ken and Bettina Reeves must clear their driveway and sidewalk. Ken can clear the snow by himself in 2 hours, and Bettina can clea
Answer is an integer or simplified fraction.
04/15/15
Trig word problem
A plane flying with air speed of 210 mph is heading northwest bearing 78.5degrees. The wind is blowing 35mph from thew west, bearing 90degrees. Find the ground speed and the true course of the...
more
52 foot long chain
A 52 foot long chain is divided into 3 parts. The second piece is 2 feet longer than the first. The third piece is 1 foot shorter than the first.
A) How long is each piece of the chain?
B)...
more
04/15/15
The current of the wahakee river runs 2mi/h. It took Marcia and Jessie 45 min to paddle upstream and 30 min to come back with the current.
What was their rate of paddling in still water
04/15/15
A carrier pilgrim flew against the wind for 1 hour to deliver a message. It made the return trip with the same wind in 45 min. The trip was 6mi each way.
Find the rate of the pigeon in still air and the the rate of the wind
Word problem
an open-lid is being made from a 12 inch by 14 inch piece of cardboard by cutting out x in corners. What is the height of the box that will give the greatest volume?
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.