443 Answered Questions for the topic System of Equations

System Of Equations

02/28/15

System of equations
hardcover books are four dollars each and paperback books are 2 dollars each. A person spends $26 for 8 books how many hardcover books did she purchase 
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System Of Equations

02/28/15

a farmhouse shelters 23 animals.smeared pigs and some are chickens.Alltogther there are 80 legs.how meny of each animal are there?
Please help
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System Of Equations

02/26/15

145 members. Part of the group helps clean. The other part of the group tutors. 20 more members clean than tutor after school.
Equatioms must be made for this word problem! Thank You ?? 
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System Of Equations Word Problem

02/26/15

One solution? No solution? Infinite solutions? HELP!!
In order for Hose and marty to compete against each other during the wrestling season next year they need to be in the same weight category. Jose weighs 180 pounds and plans to gain 2 pounds per... more
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02/24/15

The value of your EFG stock is three times the value of your PQR stock. If the total value of the stocks is $4500, how much is invested in each company?
The equations that are first gotten should be 2 equations for a system. If the work could use the substitution method, that'd be great. Thanks!
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System Of Equations

02/23/15

how do i solve by elimination for -2x-y=3 and y-12=x
 system of equation/inequality solve by elimination  how should i start it off 
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02/22/15

How to model a word problem with a system of equation?
Ben's truck contains 20 gallons of gas when full and uses 1 gallon to go 18 miles on the highway. Sarah's car contains 15 gallons of gas when full and uses 1 gallon to go 26 miles on the highway.... more
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02/22/15

Liam is 6 years old and is 38 inches tall. He's growing at a constant rate of 2 inches per year…
How would I represent this word problem in a system of equations?     Liam is 6 years old and is 38 inches tall. He's growing at a constant rate of 2 inches per year. Elliott is 3 years old and... more
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System Of Equations Functions

02/21/15

F(x)=-3x^2+3x+4 G(x)=-6x+4
Solve algebraically. What do these solutions tell you about the graphs of the two functions 
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System Of Equations

02/21/15

How to get solution for f(x)=x^2-4x+13 g(x)=x+9
What are the solutions to the system of equations and how do you get it
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System Of Equations

02/19/15

System of Equations
-x+y+2z=1 2x+3y+z=-2 5x+4y+2z=4   I have tried many different ways to solve this and I am completely stuck on how to do these kinds of problems. 
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System Of Equations

02/13/15

solving system of equations by substitution
x-2y=-1 3y=x+4
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System Of Equations

02/11/15

Solve the following system of equations.-8x-3y=-13 -3x-2y=-11
need help fast!!!
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System Of Equations

02/06/15

I need help with a systems of equations problem.
Bill wanted to buy a slush at the store, so he checked his piggy bank. He only has dimes and nickels in it, and he had a total of 35 coins. He also has 5 more nickels than dimes. Which of the... more
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System Of Equations Algebra 1 Word Problem Percents

02/05/15

Mixture word problem
A tank contains 20 / of a solution that is 60% acid. How much water must be added to reduce it to a 20% solution
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02/05/15

Systems of equations help.
Solution x is 20% alcohol and solution y is 80% alcohol. How much of each should be used to make 100 / of a 50% solution? 
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System Of Equations Algebra 1

02/03/15

SOLVING SYSTEM OF EQUATION USING SUBSTITUTION
Frank weighs 160 pounds and is on a diet to gain two pounds a week so that he can make the football team. John weighs 208 pounds and is on a diet to lose three pounds a week so that he can be on... more
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System Of Equations Math Word Problem

02/03/15

A collection of 29 coins, all nickels and quarters, is worth $4.65. How many of each type of coin is there?
A collection of 29 coins, all nickels and quarters, is worth $4.65. How many of each type of coin is there? Show the steps with system of equations. 
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System Of Equations

01/28/15

I have trouble setting it up can someone please help been stuck cannot solve
Jeff works at the silver dollar Diner where a milkshake costs $3.00, a burger costs $1.50 and an order of fries costs $1.00. On Monday Jeff sold 83 of these items while collecting a total of... more
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System Of Equations

01/28/15

Word Problem
the set up cost of a machine that mills brass plates is $750. After setup, it costs $0.25 to mill each plate. Management is considering the purchase of a larger machine that can produce the same... more
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01/23/15

Math world problem. Algebra 2
Three boxes of cookies are labelled A, B, and C. Its known that boxes A and B together contain 35 cookies, boxes A and C contain 28 cookies, and boxes B and C contain 37 cookies. How many cookies... more
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System Of Equations Math

01/22/15

A ticket is 6.50 for a child it is 2.50 435 people bought tickets for a total of 1667.50 how many child and adult tickets where no bought
Can figure out this problem have tryed all day idk wat to so.
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01/21/15

Question is a word problem so its below
cake batter frozen yogurt costs $0.60/oz and chocolate frozen yogurt costs $0.40/oz. if you want to buy 6 oz of frozen yogurt for an average of $0.45/oz, how many of each flavor should you get
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System Of Equations Algebra Algebra Word Problem

01/21/15

word problem
A youth group and their leaders visited Mammoth Cave, two adults and 5 students in one van paid $77 for the Grand Avenue Tour of the cave. Two adults and 7 students in a second van paid $95 for the... more
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System Of Equations

01/12/15

P costs $6 plus $1 for each top. G costs $7 plus$0.50 for each top. How many tops need to be added to both for them to cost the same. What will the cost be?
Solve using three different methods, graphing, substition and elimination.  Explain the solution and what it means
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