1,472 Answered Questions for the topic Linear Equations

Linear Equations

05/18/15

solving systems of linear equations
How do you solve the system of equation by substitution and addition method?   y=75x+100 y=125x
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Linear Equations Functions

05/16/15

ABC Printing Company charges a $10.00 service fee plus $.02 per copy. Write and evaluate a function rule to find the Total cost of printing 20 copies.
y = mx + b    10.00 service fee   plus an additional .02 dollars per copy   How much would it cost to print 20 copies
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05/15/15

Which one of these questions can be modeled by a linear function? Then create a linear function(equation) for those that are linear.
A) side length (in)   Area (in2)           1                      1           2                      4           3                      9           4                      16           5      ... more
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Linear Equations Linear Functions

05/15/15

The cost of frozen yogurt at Nellie's Custard Shop is $2.00. Each additional topping is $.50. Compare the total cost to the number of toppings you buy.
Construct a linear function (equation).
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Linear Equations

05/14/15

please solve
its takes a passenger train 5 hr less time than it takes a freight train to make the trip from New york to Boston. The passenger train averages 76 km/h, while the freight train averages 38 km/h.... more
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Linear Equations

05/14/15

please solve
an accountant rides a bus part of the way to work everyday and walks the rest of the way. The bus averages 36 mph and the accountant walks at a speed of 3mph. The distance from home to work is 15mi... more
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Linear Equations

05/14/15

please solve
soybean meal is 16% protein. Cornmeal is 8% protein. How many pounds of each should be mixed together in order to get 320-1b mixture that is 9% protein?   pounds =
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Linear Equations

05/14/15

please solve
A busload of campers stopped at a dairy stand for ice cream. They ordered 75 cones, some soft served at $2.00 each and the rest hard packed at $0.75 each. If the total bill was 101.25, how  many of... more
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Linear Equations

05/14/15

please solve
one canned drink is 20% orange juice; another is 10% orange juice. How many liters of each should be mixed together in order to get 10L that is 15% orange juice?   how many liters of the 20%... more
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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
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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
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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
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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=
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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
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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?=
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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
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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
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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
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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.
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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 :)
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05/04/15

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.
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Linear Equations

04/27/15

there are 382 people in a pool it cost $1.50 for a kid and $2.25 for an adult the totaled was $604.50. how many kids and adults are there
help with problem
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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 :)
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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
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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
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