The height h of the object after t seconds is given by the equation h=-16t^2+1156. Find how many seconds pass before the object reaches the ground.      __ seconds pass...

An object is thrown upward at a speed of 160 feet per second by a machine from a height of 2 feet off the ground. The height of the object after t seconds can be found using the equation h(t)=-16t2+160t+2...

A patient has an illness that typically lasts about 24 hours. The temperature, T, in degrees Fahrenheit, of the patient t hours after the illness begins is given by: T ( t ) = − 0...

A box with a square base and no top is to be made from a square piece of carboard by cutting 7 in. squares from each corner and folding up the sides. The box is to hold 1792 in3. How big a piece of...

The following are distances (in miles) traveled to the workplace by 15 employees of a certain hospital. 5, 32, 36, 7, 22, 1, 14, 14, 34, 15, 18, 9, 2, 24, 3 Find 25th and 70th percentiles...

7. After looking at the cost of transporting your food, you are considering buying a van to transport the food yourself. After making a few phone calls, you realized that the van would cost about...

Algebra Question, find the volume of cuboid

Among all the unit vectors u=(x, y, z) in R^3, find the one for which the sum x+7y+3z is minimal.  Among all the unit vectors u

Let p(x) be a polynomial with rational coefficients. Probs that there exists a positive integer n such that the polynomial q(x) defined by   q(x) = p(x+n) - p(x)   has...