1,472 Answered Questions for the topic Linear Equations

Linear Equations Geometry Linear Systems

03/03/15

which of the linear systems has no solution?
A. -x+y=1/2     y=x+3/4   B.  y=1/4x+2    -x+4y=8   C.  2x+3y=18   y=-3/2x+6   D.  y=-2/3x+1/3   4x+6y=2   Please show how you get it. 
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Linear Equations Mixtures

02/28/15

How many liters of pure water should be mixed with a 19-L solution of 80% acid to produce a mixture that is 80% water
This is a linear equation involving a mixture. I am unsure how to solve  
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Linear Equations

02/27/15

write an equation of the line perpendicular to the given line and containing the given point. express answer in standard form. y=-4x-2;(-8,1)
linear algebra
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Linear Equations

02/25/15

Word problem into linear equations
A small coffee shop sells a regular(R) cup of coffee for $2 and a large(L)for $3. Kari and her friends buy five cups coffee and spend a total of $13. How many large and regular cups did they buy?
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Linear Equations Math Algebra 1

02/21/15

This question is about how to write a linear equation.
A business rents bicycles and in-line skates. Bicycle rentals cost $25 per day and in-line skate rentals cost $20 per say. The business has 20 rentals today and makes $455 dollars. Write a system... more
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Linear Equations

02/19/15

Determine the measures of two supplementary angles if the measure of one angle is three and one half times lager than the measure of the other angle
Can not figure out the problem it is asking and I do not know how to set it up.
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Linear Equations

02/19/15

Write an equation to represent the value of his stamp collection in terms of the number of stamps, s, that he had originally, and find the value of s.
Tony had a certain number of stamps that were each worth $0.15. He misplaced 7 stamps. He found that the total value of his stamp collection was now $5.55.           ( I need this answered... more
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Linear Equations

02/19/15

John has read the first 114 pages of a novel. He has read 3 pages less than one-third of the novel.
Write an equation to describe the total number of pages p in the novel, and find the value of p.
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Linear Equations

02/19/15

Write an equation to represent this statement and find the value of n.
When 2.5 times a number n is subtracted from 6.1, the result is −11.4.
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Linear Equations

02/19/15

Write an equation to represent this statement and find the value of n.
One half of the quantity represented by 6 less than a number n is equal to 17. 
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Linear Equations

02/18/15

question below
Consider the line y=6x-1. Find the equation of the line that is parallel to this line and passes through the point 2, 6.   Find the equation of the line that is perpendicular to this line and... more
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Linear Equations

02/16/15

Find a linear equation to determine the salary Y of the person in year X.
The salary of a person was $45,000 in 2009 and $48,000 in 2011. Find a linear equation to determine the salary Y of the person in year X. Write your equation in (a) as a slope-intercept form.
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Linear Equations

02/15/15

Solving Linear System Word Problems
Bob is the star forward on his basketball team. In one game, his field goal total was 23 points, made up of 2-point and 3-point baskets. If he made 4 more 2-point baskets than 3-point baskets, how... more
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02/15/15

HELP!! I dont understand this word problem!
An investment is worth $3980 in 1994. By 1999 it has grown to $6380. Let y be the value of the investment in the year x, where x=0 represents 1994. Write a linear equation that relates the value of... more
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Linear Equations Math Math Equations

02/15/15

Sal added 1.2 gallons of water to a bucket that was already half full. The total volume of water after Sal added 1.2 gallons was 3.7 gallons. Write the equation
Please write a linear equation to find the total capacity, c , of the bucket.
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Linear Equations

02/13/15

solving system of equations by substitution
2b=6a-14 3a-b=7
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Linear Equations

02/13/15

Input the equation of the given line in standard form. The line with m = -1/2 and the point (-2, -3).
this question regards linear equations and i'm not sure as to what m stands for and i dont know the process of putting this into standard form
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Linear Equations

02/12/15

find the dimension of the rectangle that has a perimeter of 44 inches and a legth that is two more than three times the width
find the dimension of the rectangle that has a perimeter of 44 inches and a legth that is two more than three times the width. I need to get te the:   x = ______________ =... more
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Linear Equations

02/11/15

i need help step by step the equation would fit in here so its in the description box
A theater group made appearances in two cities. The hotel charge before tax in the second city was $500 higher than in the first. The tax in the first city was 6% , and the tax in the second city... more
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Linear Equations

02/11/15

my question is in the description since i cant fit it here
A scientist has two solutions, which she has labeled Solution A and Solution B. Each contains salt. She knows that Solution A is 55% salt and Solution B is 80% salt. She wants to obtain 90 ounces... more
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Linear Equations Story Problems

02/11/15

Solving value mixture problem using a linear equation
At the city museum, child admission is $6.30 and adult admission is $9.50. On Wednesday 176 tickets were sold for a total sales of $1355.20. How many child tickets were sold that day?
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Linear Equations

02/05/15

I need some help with a word problem, the instructions get a little too complicated for me, which is why I'm in a math prep class in college.
An actor invests some money at 8% and $25000 more than four times the amount at 9%. The total annual interest earned from the investment is $54170. How much did he invest at each amount
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Linear Equations

02/05/15

Linear equation, y = mx + b
Ann is 2x years old, and Dave is 3y years old. Ann is 3 times older than Dave. H2 years later, if you add Ann's and Dave's age together then you will get 28. What is Ann's and Dave's age?
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Linear Equations

02/03/15

make a linear equation
A community bird-watching society makes and sells simple bird feeders to raise money for its conservation activities. They sell 32 per week at a price of $10 each. They are considering raising the... more
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Linear Equations Algebra

02/02/15

6(1+9x)=-20
How do I solve this problem   
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