Anonymous asked 11/1/2010 The sum of two numbers is 57. One of the numbers is 21. Which of the following equations could be used to find the other number?
Darcel Whitaker asked 10/31/2010 Perform the indicated operation and simplify w-8/w-9 -w+1/w-9 +w-27/w^2-81?
Michael Levesque asked 10/30/2010 3 times a number is decreased by seven. The result is 26. What is that number?
Hey There asked 10/25/2010 Consider the following generic chemical equation. A+3B=C What is the limiting reactant when each of the following amounts of A and B are allowed to react? 1)1mol A, 4mol B 2)2mol A, 3mol B 3).5mol A, 1.6mol B 4)24mol A, 75mol B
luisa gonzalez asked 10/25/2010 How did the heisenberg principle contribute to the idea that electrons occupy clouds or orbitals?
David Watson asked 10/24/2010 Find the area under the normal distribution curve between z = –1.34 and z = 2.95?
David Watson asked 10/24/2010 Find Q1, Q2, and Q3 for the data set ,5.4 2.0 6.8 3.1 2.9 4.7 2.1 5.0 1.9 3.4?
Anonymous asked 10/23/2010 What value of x makes the following equation true? 6x-5= 31 a. 1 b. 2 c. 5 d. 6
Anonymous asked 10/23/2010 In the following expression, which operation should u perform first? (-3) (4)+(7-8x3)-5 with a 2 above the 5.. A.(-3)(4) b. 7-8 c. 8x3 d. 5 with a two above it
Anonymous asked 10/22/2010 A gas confined in a 515 cm3 container exerts a pressure of 107.4 kPa at 38.6ºC. At what Celsius temperature will it exert a pressure of 635.6 kPa if it is placed into a 644 cm3 container?