Friday
December 6, 2013

# Posts by joyce

Total # Posts: 125

Physics
a 63-kg water skier is pulled up a 14.0 degree incline by a ropeparallel to the incline with a tension of 512 N. the coefficient ofkinetic friction is 0.27. What are the magnitude and direction ofthe skier's acceleration

physics
A stone is dropped off the science building and accelerates, from rest, toward the ground at 9.8 m/s/s. A curious physics student looks out the third floor window as the stone falls past. She happens to have a stopwatch and she finds that it takes 0.30 sec for the stone to fal...

math
Which point on the circle x^2+y^2-12x-4y=50 is closest to the origin? Which point is farthest from the origin? Explain.

algebra
simplify 4(3x-(3-5y+7x)+3y

Algebra
I am working on Factoring the Trinomial and need help to solve this equation: t=3t^3+22t^2+8t

algebra
I am a manager at a hospital i have 1,176 hours in a week to be covered by my staff. How many 40 hour people would I need and how many 32 hour people would I need to cover the hours.

algebra
Selling shirts. If a vendor charges p dollars each for rugby shirts, then he expects to sell 2000  100p shirts at a tournament. a) Find a polynomial R(p) that represents the total revenue when the shirts are p dollars each. b) Find R(5), R(10), and R(20). c) Use the bar gr...

algebra
Height difference. A red ball and a green ball are simultaneously tossed into the air. The red ball is given an initial velocity of 96 feet per second, and its height t seconds after it is tossed is 16t2  96t feet. The green ball is given an initial velocity of 80 feet...

algebra
-6q^2 -40q - 50 how do you solve this i am factoring and having problems