Tutors Answer Your Questions about Linear-equations (FREE)
Question 1082253: Kevin's Coffee Shop makes a blend that is a mixture of two types of coffee. Type A coffee costs Kevin
$4.40 per pound, and type B coffee costs $5.95 per pound. This month's blend used four times as many pounds of type B coffee as type A, for a total cost of $1071.60. How many pounds of type A coffee were used?
Click here to see answer by Fombitz(32388)  |
Question 1082271: A pair of equations is shown below:
y = 6x – 4
y = 5x – 3
Part A: In your own words, explain how you can solve the pair of equations graphically. Write the slope and y-intercept for each equation that you will plot on the graph to solve the equations. (6 points)
Part B: What is the solution to the pair of equations? (4 points)
Click here to see answer by Fombitz(32388)  |
Question 1082659: Karen is a software saleswoman. Her base salary is $1800, and she makes an additional $40 for every copy of History is Fun she sells. Let P represent her total pay (in dollars), and let N represent the number of copies of History is Fun she sells. Write an equation relating P to N. Then use this equation to find her total pay if she sells 28 copies of History is Fun.
Equation: ?
Total pay if Karen sells 28 copies: $ ?
Click here to see answer by addingup(3677)  |
Question 1083356: Could you please tell me the answer to this question: What is the equation of a line that passes through the points (0,3) and (-2,-3)? I know the equation for a line is (y=mx + b) but I'm unsure on how to do it. Thank you very much :D
Click here to see answer by Theo(13342)  |
Question 1083355: What is the equation of a line that passes through the points (6,0) and (0,3)? I would be gladly appreciated if you could answer my question as soon as possible. I know the equation for a line is (y=mx + b) but Im unsure on how to do it. Thank you so much :).
Click here to see answer by josgarithmetic(39617) |
Question 1083415: A company finds it can produce 55 heaters for $ 1500 while producing 10 heaters costs $ 2800 Express the cost, y, as a linear function of the number of heaters, x. Determine the cost to produce 20 heaters.
Y = _____ (simplified)
Click here to see answer by addingup(3677)  |
Question 1083415: A company finds it can produce 55 heaters for $ 1500 while producing 10 heaters costs $ 2800 Express the cost, y, as a linear function of the number of heaters, x. Determine the cost to produce 20 heaters.
Y = _____ (simplified)
Click here to see answer by MathTherapy(10552)  |
Question 1083582: The number of kilograms of water in a person's body varies directly as the persons mass. A person with a mess of 90 kg contains 60 kg of water. How many kilograms of water are in a person with a mess of 50 kg?
Click here to see answer by Boreal(15235)  |
Question 1083583: The stopping distance, d, of a particular car after the brakes are applied varies directly as the square of the rate, r. If the car is travelling 40 mph, it can stop in 80 feet. How many feet will it take the same car to stop when it is travelling 80 mph?
Click here to see answer by Boreal(15235)  |
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