# Questions on Algebra: Equations answered by real tutors!

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 Algebra: Equations Solvers Lessons Answers archive Quiz In Depth

 Question 129558: We have are drills in Algebra I class. The drills are formed like this: 1. a. b. c. 2. a. b. 3. and ect. Our drills are preAlgebra reviews called Mt.Math. My class from my old school have never done monomials, binomials, and trinomials. At least I don't know. But everyone else does except me! How do I change the 5th problem into a monomial, binomial, or tinomial? Here is the question. You can answer one of them (monomial, binomial, or trinomial) I couldn't find a section that fit this catagorey. 5. 66 a. change to a monomial b. change to a binomial c. change to a trinomial I would really appreciate the help. Click here to see answer by scott8148(6628)

 Question 130277: Your teacher is giving you a test worth 100 points containing 40 questions. There are two-point and four-point questions on the test. How many of each type of questions are on the test? Click here to see answer by calebz423(1)

 Question 130463: CAN SOMEONE HELP ME WITH THIS PROBLEM WHEN I CHECK IT THE ANSWER DOESN'T MATCH: 4W+9-W+4=3W+11 4W-W+13=3W+11 3W+13=3W+11 3W=24 W=8 CHECK: 4(8)+9-8+4=3(8)+11 32+9-8+4=24+11 41-4=35 37=35 WHAT AM I DOING WRONG? Click here to see answer by ilana(307)

 Question 130873: I am having a hard time figuring out this story problem: There are n teams and the number of games played is given by the polynomial n^2-n=N. A woman's softball league has 13 teams. What is the total number of games to be played? n^2-13=N I am not sure if I am writing out the equation correctly and where to go from there. Thank you for your time. Click here to see answer by checkley71(8403)

 Question 131056: I can't figure out what formula to use for this word problem. : You invest \$6000 in two accounts paying 6% and 9% annual interest, respectively. At the end of the year, the accounts earn the same interest. How much was invested at each rate? Click here to see answer by checkley71(8403)

 Question 131116: A lawyer bills her clients \$250 per hour of service. If a client's case requires 47 hours to complete, use proportion to calculate how much the client will owe the lawyer (excluding tax). Click here to see answer by checkley71(8403)

 Question 131091: Is this true or false? When dividing a fraction, the numerator is inverted and multiplied by the denominator. Click here to see answer by ptaylor(2048)

 Question 131201: Can you pls solve for a and b. I've tried and got a= -3, and b= 10, but the answer is a=10, b=3. I do not understand how they arrived at that answer. The equations are: a - b = 7, and a - 4b = -7. Please solve for a and b and explain how you arrived at the answer. Thanks. Click here to see answer by edjones(7569)

 Question 131203: Can you pls solve for a and b. I've tried and got a= -3, and b= 10, but the answer is a=10, b=3. I do not understand how they arrived at that answer. The equations are: a - b = 7, and a - 4b = -7. Please solve for a and b and explain how you arrived at the answer. Thanks. The Problem was taken from The Princeton Review, Math Smart. ISBN 0-375-76216-7 Click here to see answer by checkley71(8403)

 Question 131321: i have a equation/word problem that i can't figure out. the question is: a 90 inch pipe is cut into two pieces. one piece "x" is 20 inches more than the other piece "y". find the length of each piece. i came up with 20 inches, and 70 inches. i tried the problem different ways, and can't seem to come up with the correct answer. Click here to see answer by 067isa(13)

 Question 131339: (3m-2)/5=(4-m)/3 solve the equations and check the solution Click here to see answer by stanbon(57342)

 Question 131363: i can't figure out the formula if x = -1 ; and y = -1/2 can you please help me. also another one is x = -2; and y = -9 Thank you Click here to see answer by stanbon(57342)

 Question 131385: A new virus is released on the internet; the administrator of a department's Local Area Network(LAN)is given 5 minutes by a manager to estimate the impact. The administrator samples 12 of the PC's connected to the LAN, and finds that 7 are infected. Use proportion to estimate the number of infected PC's if there are a total of 117 PC's connected to the LAN. Click here to see answer by stanbon(57342)

 Question 131423: i tried checking and checking my work over and over but i always end up getting stuck in the same place i don't get what's wrong when i do the equation of 6(x+4)=3-2! i need someone to not give me the answer but to help me understand!! thanks!! Click here to see answer by Earlsdon(6287)