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Tutors Answer Your Questions about Inequalities (FREE)
Question 171314: Add -2 to both sides of the inequality 5 > 3.
Then divide both sides of the inequality -20 > -30 by -2.
a) Explain in your own words what happens in each example; when you perform the operations listed above.
b) Explain what happens in each example when the direction of the inequality symbol is reversed
Click here to see answer by gonzo(654)   |
Question 172145: Fred, the farmer, has started a savings account for a tractor. He saved $600 last month and plans to add $100 each month until he has saved more than $2000. Write an inequality in terms of the number of months, m, that he has to save for the tractor.
Click here to see answer by stanbon(26259) |
Question 172678: Hi All,
I need help with this inequality word problem.
A furniture manufacturer makes and sells chairs and sofas. He makes a profit of $60 on each chair and $80 on each sofa. If x=number of chairs, and y=number of sofas, write and inequality that says that he would like to make a total profit of a least $4000 this month:
Thank you for your help.
Freedom45
Click here to see answer by stanbon(26259) |
Question 172692: Hi All,
I need help with this inequality word problem.
A furniture manufacturer makes and sells chairs and sofas. He makes a profit of $60 on each chair and $80 on each sofa. If x=number of chairs, and y=number of sofas, write and inequality that says that he would like to make a total profit of a least $4000 this month:
Thank you for your help.
Freedom45
Click here to see answer by Mathtut(3670) |
Question 172695: Hi,
Please help with this inequality word problem.
A farmer has 29,000 pounds of nitrogen available for growing honeydews, yellow onions and lettuce on her farm. One acre of each of these crops requires 120,150, and 180pounds of nitrogen, respectively. If we let h,y,and l designate the number of acres to be planted of honeydews, yellow onions, and lettuce, write an inequality which reflects the limitations imposed by the nitrogen:(Hint: It is not necessary to use it all.)
Thanks,
Freedom45
Click here to see answer by Mathtut(3670) |
Question 173404: Hi,
My problem is about inequality
Abu ran on-third of an hour and then walked for half an hour at the rate of 3 km/h. In all, he had covered 4 km. how fast did he run?
PLSSSS. It's an assignment which is not yet corrected
Click here to see answer by stanbon(26259) |
Question 173632: Please help me solve this problem:
Luis told his sister Rosi "If you can guess the amount of money in my piggy bank, you can have it. The bank contains only dimes and quarters. There are no more than 8 quarters and no more than 4 dimes. I have at least ten coins in all." Write a system of inequalitites for this situation.
Click here to see answer by gonzo(654) |
Question 173724: Hi,
I nedd to write an inquality to represent the following condition.
A landscaper architect wants her project to use at most 110 gallons of water per day.Each shrub requires 1 gallon of water and each tree requires 3 gallons of water per day. Let x=number of shrubs, and y=number of trees. Write an inequality that says that the plants chosen will not meet the landscapers water limit.
My answer is: x+3y<=110
Can someone let me know if this is the correct answer.
Thanks
freedom45
Click here to see answer by Mathtut(3670) |
Question 173735: Please help me solve this:
Graph the following system of inequalities on the graph, find the corner points, and label on the graph.
x+y>=14
2x+y>=20
x+3y>=24
x>=0
y>=0
I'm having trouble graphing on this site.my answer was:
(0,8) (10,0)
Thanks
freedom45
Click here to see answer by stanbon(26259) |
Question 174135: 1. You are planning to spend no less than $6,000 and no more than $10,000 on your landscaping project.
a) Write an inequality that demonstrates how much money you will be willing to spend on the project.
b) Suppose you want to cover the backyard with decorative rock and plant some trees as the first phase of the project. You need 30 tons of rock to cover the area. If each ton cost $60 and each tree is $84, what is the maximum number of trees you can buy with a budget for rock and trees of $2,500? Write an inequality that illustrates the problem and solve. Express your answer as an inequality and explain how you arrived at your answer.
c) Would 5 trees be a solution to the inequality in part b? Justify your answer.
Click here to see answer by Mathtut(3670) |
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