05/15/13

What was the ball's initial speed?
A spring gun at ground level fires a golf ball at an angle of 45 degrees. The ball lands 10 m away. a) What was the ball's initial speed? b) For the same initial speed, find the two firing angles... more
Follows • 4
Expert Answers •3

05/15/13

Maths's problem solving
Dear Sir/Madam,  I used to be really good with maths, but after my camping accident I cannot remember most of the things.  Even the simply maths' problem solving I find it hard to teach my kid how... more
Follows • 4
Expert Answers •2

05/14/13

X square + y square= 9. Is it circle, ellipse, parabola, hyperbola
choose the correct conic section to the equation x square + y square =9
Follows • 4
Expert Answers •3

05/14/13

prove identity
Secx-tanxsinx=1/secx
Follows • 3
Expert Answers •2

05/13/13

Work word problems
One hose can fill a swimming pool in 18 hours while a second hose can fill pool same pool in 14 hours. How long would it take both hoses together to fill the pool?          
Follows • 3
Expert Answers •2

05/11/13

How to factor completely?
  How to factor 3x^4+3x^3-3x-3
Follows • 3
Expert Answers •2

05/09/13

find the slope, if it exists, of the line containing the pair of points. (7,3) and (-8,3)
find the slope, if it exists, of the line containing the pair of points. (7,3) and (-8,3)
Follows • 3
Expert Answers •2

05/08/13

A tepee with a dirt floor in the shape of a right cone has a slant height of
A tepee with a dirt floor in the shape of a right cone has a slant height of 26 feet and a radius of 12.5 feet. Approximately how much canvas would be needed to cover the tepee?
Follows • 4
Expert Answers •3

05/07/13

Find the Cost of one oil bottle using Y
Vivian bought 6 bottles of cooking oil. She gave the cashier $40, and received Y as her change Y=10 Find the cost of one oil bottle using Y
Follows • 2
Expert Answers •1

05/06/13

word problem set up
angel has 5% alcohol soulution and 20% alcohol solution. She needs 30 liters of a 10% alcohol solution. How many liters of each should she mix to get 30 liters?
Follows • 3
Expert Answers •2

05/05/13

need help with this
Consumers in a certain state choose between three long distance telephone services. GTT, NCJ, and Dash. Aggressive marketing by all three companies results in a continual shift of customers among... more
Follows • 2
Expert Answers •1

05/02/13

Flying with a tailwind a plane averaged 158 km/h. On the return trip the plane averaged 112 km/h with same wind. Find wind & plane speed in still air.
I got as far as  plane speed + wind  = 158 and plane speed - wind = 112. But I don't know how to solve the problem.
Follows • 3
Expert Answers •2

04/30/13

Can you find the regular price of the snowboard if the snowboard at the left is on sale for $12.74. The snowboard is on sale for 60% off?
Can you find the regular price of the snowboard if the snowboard at the left is on sale for $12.74. The snowboard is on sale for 60% off?  I need to know the steps in how to solve this problem  
Follows • 6
Expert Answers •5

04/29/13

calculus question......
the position function s of a point is given by two dimensional quantities  where t in seconds and the y direction is affected by gravity (10m/s/s). y(t)=4t*sin(θ) - 5t2       &      ... more
Follows • 4
Expert Answers •4

04/25/13

finding the center of a circle given the equation
what is the center of the circle with the equation: x squared plus y squared minus 6x plus 2y minus 6 equals 0
Follows • 2
Expert Answers •1

04/24/13

Let k(x) be the curvature of y=ln(x) at x.
Let k(x) be the curvature of y=ln(x) at x. Find the limit as x approaches to the positive infinity of k(x).
Follows • 2
Expert Answers •2

04/24/13

Trouble with fractions.
Why does 1/12 + 1/8 = 5/24? Why does it not = 2/20 or 1/10?
Follows • 4
Expert Answers •3

04/23/13

Find the domain of r(t)?
Find the domain of r(t)=<sqrt(t^2), 1/(t-1), ln(t+1)>. Answer: (-1, 1)U(1, positive infinity) But how do you figure this out?
Follows • 3
Expert Answers •2

04/23/13

A person in a 60ft tall tower is looking down 18 degrees at a fire how far away is the fire from the person
absolutely urgent ghavdieveudbekeuehenevv
Follows • 3
Expert Answers •3

04/21/13

What is the resolution to these questions?
Triangle ADE is inside rectangle ABCD. Point E is halfway between points B and C on the rectangle. Side AB is 8cm and side AD is 7cm.  Part A: What is the area of triangle ADE? Show work. Part B:... more
Follows • 2
Expert Answers •2

04/11/13

the systolic blood pressures have a normal distribution with a average 120 and a sd 8. the percentage of individuals with a systolic blood pressure above 120 is
the systolic blood pressures have a normal distribution with a average 120 and a sd 8. the percentage of individuals with a systolic blood pressure above 120 is
Follows • 3
Expert Answers •2

04/10/13

If marissa has exactly $61 dollars, and one dollar, five dollar and ten dollar bills. She has 14 bills. How many of each bill does she have?
(a word problem)
Follows • 3
Expert Answers •2

04/03/13

y+x=18 5y-2x=78
Game a win is awarded 5 points, a loss is deducted 2 points. James had 78 points. they played 18 games in total. how many games did james win?
Follows • 2
Expert Answers •1

03/29/13

if (a+3)/5 is an integer , what is the remainder when a is divided by 5?
if (a+3)/5 is an integer , what is the remainder when a is divided by 5
Follows • 3
Expert Answers •2

03/28/13

the denominator of a fraction is 4 more than the numerator.
the denominator of a fraction is 4 more than the numerator. if both numerator and denominator are increased by eight, the simplified results is 8/9. find the original fraction.
Follows • 3
Expert Answers •2

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.