Linear equations

Linear equations

Total DVD and Blu-ray disc sales in 2009 were $8.73 billion. For the purposes of this problem, you will combine DVD and Blue-ray disk sales into one category of DVD sales. A study by In-Stat predicted...

Delilah wants to join a gym, so she shops around to find the one with the lowest overall price (she is not sure how long she will be a member). She finds the Harbor Square Athletic Club is running...

Total revenues were $7250 Use linear equations to solve.

Please help me solve this equation. I have been trying for awhile now and still cannot figure it out. A car moving at a constant speed passed a timing device at t=0. After 9 seconds,...

y = -6x - 4 x y 4 ____ __ 8 2 ...

I am not good at this

You and your friend each purchased identical subscriptions to an online video rental site. When you joined, you each paid the one-time membership processing fee. You also paid a flat rate for each...

Find out what each person got with full working out

Find out what each person got with full working out

The manager of a restaurant found that the cost to produce 50 cups of coffee is $35.00 while the cost to produce 300 cups is $160.00. Assume the relationship between the cost y to produce x cups of...

A landscape designer uses two types of gravel for walkways. The larger gravel weighs an average of 48 pounds per cubic foot and thge smaller weighs an average of 40 pounds per cubic foot. In his truck,...

Write a system of linear equations. Then, solve the problem.

Prove that the lines with equations: 2y-x=2, y+x=7 and y-2x=-5 meet at one point.

i need help answering this question i dnt know how to answer because its a hard question because he don't be teaching about all theses al he do is gove us notes and stuff. So can you help me answer...

Applications of linear systems how many liters of 100% pure acid should be used to make the solution?

In the year 1999, the surface elevation of Lake Powell was 3860 feet above sea level. In the year 2007, the surface elevation of Lake Powell was 3238.4 feet above sea level. Interpret...

i need help with my math worksheet

mix birdseed that costs 1.25 per pound with sunflower seeds that cost .75 per pound to make 50 pounds of a $1 per pound mixtur. how much of each seed should he use

this is a word problem dealing with linear equations

Marsha S.

Specialize in prealgebra, algebra 1 & 2 and all subject K - 12

Jamaica, NY

5.0
(121 ratings)

Eric F.

Experienced, patient and knowledgeable Ivy League Graduate Tutor

New York, NY

5.0
(62 ratings)

Steven L.

Cornell Alum - Enthusiast in Math and Science (Regents, SAT/ACT, AP)

Fresh Meadows, NY

4.9
(140 ratings)