Tutors Answer Your Questions about Quadratic Equations (FREE)
Question 1026784: The school has begun selling a cookbook called "What Would Euler Eat?" If the price of the cookbook is n dollars (n <= 72), then it will sell 720 - 10n copies. What price (in dollars) will maximize the total revenue we receive for the books?
Click here to see answer by robertb(5830)  |
Question 1027377: Cynthia Besch wants to buy a rug for a room that is 17 ft wide and 24 ft long. She wants to leave a uniform strip of floor around the rug. She can afford to buy 144 square feet of carpeting. What dimensions should the rug have?
Click here to see answer by Theo(13342)  |
Question 1027384: A rectangular piece of metal is 10 in longer than it is wide. Squares with sides 2 in long are cut from the four corners and the flaps are folded upward to form an open box. If the volume of the box is 528in^3, what were the original dimensions of the piece of metal?
Click here to see answer by josgarithmetic(39616) |
Question 1027481: The height of a rock above the ground is given by the equation h=-16t^2+24t+16. T is the time in seconds after the rock is thrown. It is thrown upward from a platform 16 feet above the ground. After how many seconds is the rock back to a height of 16 feet?
Click here to see answer by josmiceli(19441)  |
Question 1027506: The members of the Historical Society sold a number of tickets to the Easton town picnic and raised $240 from the sale. If the Society has lowered its price by $2 a ticket, the members would have needed to sell 20 more tickets to earn the $240. How many tickets did the Society members actually sell?
Click here to see answer by josgarithmetic(39616) |
Question 1027524: Which verbal description can be represented by a linear function?
An investment of $2600 is made that increases at a rate of 5% annually.
A baseball player throws a baseball and the height of the ball at each second is recorded.
A writer has a 500 page novel to write and each week, she completes eight pages.
A bacteria cell grows by a factor of four each day.
Click here to see answer by robertb(5830)  |
Question 1027389: A rectangular piece of metal is 10 in longer than it is wide. Squares with sides 2 in long are cut from the four corners and the flaps are folded upward to form an open box. If the volume of the box is 528in^3, what were the original dimensions of the piece of metal?
Click here to see answer by mananth(16946)  |
Question 1027650: I am struggling so much with trying to do this...please help :)
Create a graph of the combined function h(x) = f(x)/g(x) in which f(x) = x - 6 and g(x) = x + 6.
On the graph show the graphs of f(x) and g(x) also.
Click here to see answer by ikleyn(52776)  |
Question 1027385: A building is 3 ft from an 11-ft fence that surrounds the property. A worker wants to wash a window in the building 16 ft from the ground. He plans to place a ladder over the fence so it rests against the building. (5ft) He decides he should place the ladder 11 ft from the fence for stability. To the nearest tenth of a foot, how long a ladder will he need?
Click here to see answer by KMST(5328)  |
Question 1027868: The length of a rectangle is 10 feet linger that it is wide. If each side is increased by 10 feet, then the area is multiplied by 3. What was the size of the original rectangle?
The width or the shorter side is
The length or the long side is
Click here to see answer by josgarithmetic(39616) |
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