1,388 Answered Questions for the topic Linear Equations

Linear Equations

05/14/15

linear equation

one canned juice drink is 30% orange juice; another is 10% orange juice. How many liters of each should be mixed together in order to get 20L that is 22% orange juice?   how many liters of the... more
Linear Equations

05/14/15

linear equation

a bus load of campers stopped at a dairy stand for ice cream. They ordered 69 cones some soft serve at 1.25 each  the rest hard ice cream at 0.50 each. If the total bill was 60.75, how many of each... more
Linear Equations

05/14/15

linear equation

One canned juice drink is 20% orange juice; another is 5% orange juice. How many liters of each should be mixed together in order to get 15L that is 19% orange juice?   How many liters of the 20%... more
Linear Equations

05/14/15

linear equation

a teacher is four times as old as a student. In 32 years, the students age will be half of the teachers age. How old are they now?   the age of the teacher = The age of the student=
Linear Equations

05/14/15

linear equation

A scientist needs 90 liters of a 50% acid solution. He currently has 30% solution and 60% solution. How many liters of each does he need to make the needed 90 liters of 50% acid solution   A... more
Linear Equations

05/14/15

linear equation

A parking meter contains nickels and quarters worth $10.25. There were 77 coins in all. Find how many of each there are    How many nickels are there? = How many Quarters are there?=
Linear Equations

05/14/15

linear equation

there were 268 tickets sold for a basketball game. The activity cardholders tickets cost $1.50 and the non cardholders tickets cost $2.25. The total amount of money collected was $536.25. How many... more
Linear Equations

05/14/15

linear equation

he jurassic zoo charges $14 for each adult and $7 for each child. The total bill for 169 people from a school trip was $1337. How many adults and how many children went to the zoo
Linear Equations

05/14/15

the question is in the description box

the jurassic zoo charges $10 for each adult and $8 for each child. The total bill for 211 people from a school trip was $1738. How many adults and how many children went to the zoo
Linear Equations Word Problem Variables Solutions

05/13/15

math help????????

Write a system of three linear equations in three variables that has (2,1,5) as a solution. (There are many possibilities.) Explain the process you used to write an equation.
Linear Equations Inequalities Graph Slopes

05/06/15

Using the slope-intercept form of a line, find the equation of the line with slope y-intercept –2. Then graph the line, explain how you determined your graph.

I also need to graph it, so if you could tell me where to graph it, that would be nice :)

A store sold 32 pairs of jeans for a total of $1050. Levi's sold for $30 and Wrangler's sold for $35 how much of each pair sold?

 This must be solved by linear combinations or substitution.
Linear Equations

04/26/15

the sum of 4 consecutive integers is -26. what are the intgers

please help me in solving this question for my math, thank you :)
Linear Equations Maths

04/24/15

Maths linear equation

A club has to buy x gold medals, y silver medals and z bronze medals for an event. When the prices of gold, silver and bronze medals are $30, $20 and $10 each respectively, the total cost is $410.... more
Linear Equations

04/17/15

linear equations

Last year, Latoya had $10,000 to invest. She invested some of it in an account that paid 8% simple interest per year, and she invested the rest in an account that paid 10% simple interest per year.... more
Linear Equations

04/14/15

Nick has $50 to spend he decides to spend $5 each day .the amount of days in his vacation and amount of money he has left are related write an linear equation

we are talking about linear word problems /equations
Linear Equations

04/13/15

system of linear equations

Suppose that there are two types of tickets to a show: advance and same-day. Advance tickets cost $20 and same-day tickets cost $25. For one performance, there were 65 tickets sold in all, and the... more
Linear Equations

04/05/15

Write the standard form of the eqation of the line through the pair of points (-4,2) and (-6,8)

Write the equation using only integer coefficients
Linear Equations

04/02/15

Find a linear equation relating the number of chirps C to temperature in degrees T.

At 10 degrees C a cricket chirped times per minute. At 20 degrees C the chirping increased to 112 chirps per minute.
Linear Equations Equations Substitution

03/31/15

solve the linear equation by substitution.

3x-6y=2 4x+3y=-1
Linear Equations Equations Substitution

03/31/15

solve the linear equation by substitution.

2x+3y=25 4x-y=15
Linear Equations Algebra Substitution

03/31/15

solve the system of linear equations by substitution.

x-y=9 2x+5y=4   2x+3y=25 4x-y=15     3x-6y=2 4x+3y=-1
Linear Equations Substitution

03/31/15

solve the system of linear equations by substitution.

y=x+3 y=5x-5       y=3x-1 y=x-7       x=5y+2 x-4y=5
Linear Equations Equations Variables Substitution

03/31/15

tell which equation you would choose to solve for one of the variables when solving the system by substitution. explain.

y=5x-2 2x+9y=10         3x-7y=12 3x-12y=6      1/5x+y=8 4x-3y=1

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