1,388 Answered Questions for the topic Linear Equations

Linear Equations

03/28/15

Write a linear equation to find the price p of a share of XYZ Corporation stock w weeks from now. Estimate the price of a share of stock five weeks ago.

The price of a share of stock in XYZ Corporation was $74 two weeks ago. Seven weeks ago, the price was $59 a share.
Linear Equations

03/25/15

Solve for x in 3x^2-3x-330=0

x^2 + (x^2 - 5x) + (x^2 + 2x) + 30 = 3603x^2 - 3x - 330 = 03(x^2 - x - 110) = 0x^2 - x - 110 = 0so the linear equation i used was:x = -b + √(b^2 - 4ac) / 2ax = 1 + √(1^2 - 4*1*110) / 2x = 1 + √(1 -... more
Linear Equations

03/20/15

Given G. (x)=7-x/ x-1 evaluate G(-3). Simplify answer

need help with this for hw 
Linear Equations

03/18/15

The cost for a rental car is compromised of a fixed fee for the cleaning and maintenance of the car. 15 days= $562.50 32 days= $1,174.50

What does the rental company charge per day?   What is the administrative fee?
Linear Equations

03/17/15

Johnson bought a painting for $62.00. Each year the painting has increased in value by $13.00.

 Write a linear equation that represents this equation.
Linear Equations Linear Algebra

03/17/15

james invests $20000 in an account that has an annual interest rate of 8.3%. which is the correct equation?

P6=20000(1+.083)6 P6=20000(1+.083)6+1 P6=20000(1+.083)6-1 P6=20000(1+.83)6-1
Linear Equations

03/13/15

Write equation in slope intercept form and then find slope (m) and y intercept (b)

Of corresponding line : 7x + 9y-7 =-9
Linear Equations

03/12/15

what is the equation of the line that passes through the given points

what is the equation of the line that passes through the given points (-2,-2) and (4,-4)
Linear Equations

03/12/15

what is the equation of the line that passes through the point and has the indicated slope m (6,-4); m = 5;

what is the equation of the line that passes through the point and has the indicated slope m (6,-4); m = 5;
Linear Equations

03/12/15

what is the equation of the vertical line that passes through (0,-2)

what is the equation of the vertical line that passes through (0,-2)
Linear Equations Functions Graph Graphing

03/10/15

What type of function is represented by the following graph?

graph begins in second quadrant, increases as x approaches 3 in the first quadrant. The graph then begins in the fourth quadrant, increases, and finally levels off without crossing the x... more
Linear Equations

03/07/15

mike wants to make meatloaf. his recipe uses a total of 8 pounds of meat. if he uses a 3 to 1 ratio of beef to pork, how much pork will he use?

mike wants to make meatloaf. his recipe uses a total of 8 pounds of meat. if he uses a 3 to 1 ratio of beef to pork, how much pork will he use
Linear Equations

03/04/15

What was the population of Springfield after the move?

I don't get how to setup an equation to solve this problem.    Centerville and Springfield had the same population until 30 people moved from centerville to Springfield. After the move,... more
Linear Equations

03/04/15

The sum of two numbers is 24. The difference between the greater number and twice the smaller number is 18. Find the greater number.

This is a question from my Math homework. I never understood word problems.
Linear Equations Geometry Linear Systems

03/03/15

which of the linear systems has infinitely many solutions?

A.  y=3x+4  y=3x+7   B.  y=3x-5  y=3x+5   C. y=3x+4  y=3x-7    D. y=3x-1  y=-3x+1   Please show steps
Linear Equations Geometry Linear Lines

03/03/15

which of the linear systwms has exactly one solution?

A. y=3x-5  y=3x+5   B. y=3x+6  y=3(x+2)   C. y=3x+4  y=3x-7   D. y=3x-1  y=-3x+1   Please show steps.
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. 
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  
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?
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
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.
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
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.
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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