Posts by Rita
Total # Posts: 224
A coal producer has the following total cost: TC=$187,500+$5Q+$0.0003Q2, where Q is tons of coal produced per month. Calculate the firms maximum profit if coal price is stable at $20/ton. (7 points)
August 25, 2008
Help with Math
mario teaches science workshops .he is presenting an activity on falling objects. when mario drops a ball, it bounces back up to two thirds of the height from which it was dropped. mario starts by dropping the ball from a height of 135cm. determine the height of the third ...
July 22, 2008
math (need help badly)
the vertices of triangle DEF are D(5,12)and E(2,7) and F(8,4) Triangle DEF undergoes an enlargement with the centre ,O, and scale factors k.Its image is D`E`F` where D(5,12)arrow D`(7.5,18) a)How do i detremine the value of k
May 23, 2008
algebra check please
2/3 (7/8 - 4x) - 5/8 = 3/8 multiply 2/3 by 7/8 - 4x 2/3 x 7/8 = 7/12 2/3 x -4x = -8/3x 7/12 - 8/3x - 5/8 -1/24 - 8/3x = 3/8 add -1/24 to both sides -8/3x = 3/8 + 1/24 -8/3x = 5/12 x = 5/12 / -8/3 x = -15/96 or answer: x = -5/32
March 12, 2007
what is the call number of the oldest copy of Ellison's Shadow and Act? Ask your librarian for the call number for her library on that book what is the call number of the oldest copy of Ellisons shadow and act
March 6, 2007
Qn 1. The easy loan company has a finance charge of 0.089% per day on out standing balances.What is the effective rate? Qn 2. Seven days after Jay's company borrowed R10,000,000 interest to the amount of R37,876,71 had to be paid. The simple interest rate equals? come on ...
March 1, 2007
jeromeborrowed an amount of money on 16th june 1999. he has to pay Ri7500 back on 25th feb 2000. what was the amount borrowed if simple interest of 26% is chargedd? qn 2. For 20yrs sidney deposited R200 every month into an account. this account earned 15% intrest compounded ...
March 1, 2007
are these correct? Si tu pense que ton colère affecté tes relations et qualité de vie. Si tu pense de ta colère constante Si cest causer par quel que choses qui a arriver long temps passé Si il causer toi de faire des choses de ...
January 8, 2007