05/12/17
What is the integral of a function: (e^(-x))cos(x/2) dx ??
The answer which I got was (e^(-x))sin(x/2)-cos(x/2)(e^(-x))
However all the math solvers on the internet are giving different answers. Could you clear things up and tell me a definite...
more
05/08/17
What is the axis of symmetry for -12(y-2)=(x+1)^2
Find the axis of symmetry for the following:
-12(y-2)=(x+1)2
Follows
•
3
Expert Answers
•2
![]()
Distance, Time, and Speed problem
John traveled from Town A to Town B at a rate of 55 mph. Traffic was bad on his return trip home, and he traveled at a rate of 45 mph, so it took him an hour longer. How long did it take him to...
more
04/29/17
Find the Area bounded by y = x+5 and y=x^2-6x+11
got this question wrong on my test and just wanted to know the right answer
Follows
•
3
Expert Answers
•2
![]()
04/18/17
What is the probability of Carrie scoring on a penalty kick in a match this afternoon?
Carrie is a kicker on her rugby team she estimates that her chances of scoring on a penalty kick during a game are 75% when there is no wind but only 60% on a windy day .If the weather forecast...
more
04/18/17
A room is 4 feet longer than its width. If the diagonal of the room is 20 feet. What is its length and width
Let x be the width
let x+4 be the length
diagonal of room is 20 feet
04/18/17
What is the probability you wear blue shirts both days?
There are eight shirts in your closet four blue and four green. You randomly select one to wear on Monday and then a different one on Tuesday.what is the probability you wear blue shirts both days ?
04/09/17
Precalc Trigonometry question. Please help!
An equation is given. (Enter your answers as a comma-separated list. Let k be any integer. Round terms to three decimal places where appropriate.
sin(2θ) = 4 cos(2θ)
Find all solutions to the...
more
04/09/17
Plane Algebra Help
A plane flying the 3458-mi from New York City to London has a 40-mph tailwind. The flight's point of no return is the point at which the flight time required to return to New York is the same as...
more
04/09/17
Decreasing commissions
A salesperson gets a commission of $400 for the first 10,000 of sales and then $200 for each additional $10,000 or partial of sales. Let S(x) represent the commission on x dollars of sales. Find...
more
04/06/17
Break-even help
The market research for the production and sale of a new dress indicates that it can be sold for $175 per dress. The cost details are as follows: variable costs: $85 per dress, fixed costs: $7200...
more
04/06/17
If 3 people take 2 hours to complete a job. how long will it take 4 people?
Problem drom text book and we do not understand how they got the solution of 1.5 hours
04/04/17
A function with a y-intercept at (0,0) Minimum at (-2,-4) One x-intercept at x=-4 what is the equation
i want to test if this website is useful
Follows
•
4
Expert Answers
•3
![]()
04/04/17
Write the sum using summation notation, assuming the suggested pattern continues. -9 - 4 + 1 + 6 + ... + 66
A. summation of negative forty five times n from n equals zero to fifteenB. summation of the quantity negative nine plus five n from n equals zero to fifteenC. summation of the quantity negative...
more
03/28/17
4. At noon, ship A is 200km east of ship B and ship A is sailing north at 30km/h. Ten minutes later, ship B starts to sail south at 35 km/h.
4. At noon, ship A is 200km east of ship B and ship A is sailing north at 30km/h. Ten minutes later, ship B starts to sail south at 35 km/h. a. What is the distance between the two ships at 3 pm?...
more
03/26/17
Each side of a square is increased 5 inches. When this happens, the area is multiplied by 9. How many inches in the side of the original square
Each side of a square is increased 5 inches. When this happens, the area is multiplied by 9. How many inches in the side of the original square
Follows
•
2
Expert Answers
•2
![]()
03/26/17
Find the present value of $13000 in 7 years if the investment earns 8% compounded semiannually
That is the question I just need an answer
03/26/17
Need to determine how many gallons of gasoline need to be added
A two cycle engine mechanic has 5 gallons of fuel mixture that is 85% gasoline and 15% oil. How many gallons of gasoline should be added to form a fuel mixture that is 97% gasoline and 3% oil...
more
03/26/17
Degree 5; zeros: -8; -i; -5+i , enter the polynomial
please help
Follows
•
2
Expert Answers
•2
![]()
03/20/17
Josiah can paint a garage in 1 day (24hr). Max can paint a garage in 2 days (48hr). If they work together how long will it take for to paint 2 garages?
Garage Question
Follows
•
3
Expert Answers
•2
![]()
02/21/17
I have tried what I feel like is everything and I am still coming up short! Please help!
The Centers for Disease Control (CDC) estimates that 0.6% of Americans have AIDS. The HIV-1 tests correctly diagnose the presence of HIV in 99% of the persons who have it and correctly diagnose its...
more
02/20/17
MATHS QUESTION
OAB is a sector of a circle, centre O.
the radius of the circle is 15cm.
the angle of the sector is 30 degrees.
calculate the area of sector OAB.
02/16/17
50km/h to friend's house. Coming back home at 56km/h, drives extra 23km and 15 mins extra journey. How long is return journey?
50km/h to friend's house. Coming back home at 56km/h, drives extra 23km and 15 mins extra journey. How long is return journey?
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.