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Tutors Answer Your Questions about Linear-systems (FREE)
Question 88829: You have at least $30 in change in your drawer consisting of dimes and quarters. Write an inequality that shows the different number of coins in your dresser. I am lost. Any assistance would be extremely appreciated.
Click here to see answer by checkley75(3666)   |
Question 88822: The problem that I am having trouble with is 1/4(x)+3/2(x)=7. My problem is that I don't know how to work this with the fractions being involved. I have been told to do LCD but not sure that I understand how to do that. Please help me if at all possible.
Thanks,
Amber
Click here to see answer by ankor@dixie-net.com(6693)  |
Question 88811: 1.Find the solution of 3x + 6y = 12 when x = 2
2.Given the equation -2y + 4x = 18, find y when x = 1.
3.Write the equation 3x - 4y = 8 in slope-intercept form.
4. The cost Kim pays for chocolates varies directly as the number of pounds of chocolates she buys. She pays $5.40 for 3 pounds of chocolates. Find how much she pays for 5 pounds of chocolates.
Click here to see answer by malakumar_kos@yahoo.com(315) |
Question 90047: Write a system of linear equations, and then use the system to solve the problem.
A cup of uncooked rice contains 15 g of protein and 810 calories. A cup of uncooked soybeans contains 22.5 g of protein and 270 calories. How many cups each should be used for a meal containing 9.5 g of protein and 324 calories?
Click here to see answer by scott8148(3382)  |
Question 90089: My son needs help. A coffee merchant has coffee beans that sell at $9 per pound and $12 per pound. The two types are to be mmixed to create 100lb of a mixture that will sell for $11.25 per pound. How much of each type of bean should be used in the mixture
Click here to see answer by stanbon(26273) |
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