Tutors Answer Your Questions about Inequalities (FREE)
Question 81006: Please help this is the question: . Solve for x. Collect x’s on the LEFT side. The solution should be presented with x first, the correct inequality symbol, then the number.
5(2x – 1) < -8
my work?
5(2x-5)<-8
10x-5<-8
10x-5+5<-8+5
10x < -3
10x/10 < -3/10
x < -3/10
Click here to see answer by stanbon(57967)  |
Question 83526: Adjusting Antifreeze. Angela needs 20 quarts of 50% antifreeze solution in her radiator. She plans to obtain this by mixing some pure antifreeze with and appropriate amount of a 40% solution. How many quarts of each should she use?
Click here to see answer by ptaylor(2052)  |
Question 85112: Ugh...here we go again....not in textbook, from teacher and this is driving me nuts. I catch on to some I think but the rest...well gets frustrating.:-(
Here's the question:
Solve the rational inequality and graph the solution set on a real number line.
x-6
---- > 0
x+1
Then it just has a straight line graph only going horizonal with 0 through 9 on the right and 0 through -9 on the left.
Click here to see answer by stanbon(57967) |
Question 85227: There are 850 Douglas fir and ponderosa pine trees in a section of forest bought by Saws Logigng Co. The company paid an avarage of $300 for each Douglas fir and $225 for each ponderosa pine. If the company paid $217,500 for the trees, how many of each kind did the company buy?
Click here to see answer by Lacey020991(49) |
Question 85277: A small company produces both standard and deluxe playhouses. The standard playhouses take 12 hours of labor to produce, and the deluxe playhouses take 20 hours. The labor available is limited to 800 hours per week, and the total production capacity is 50 items per week. Existing orders require the company to produce at least 10 standard playhouses and 15 deluxe playhouses per week. Write a system of inequalities representing this situation, where x is the number of standard playhouses and y is the number of deluxe playhouses. Then graph the system of inequalities.
Click here to see answer by Edwin McCravy(8999)  |
Question 85291: The cost for a long-distance telephone call is $0.36 for the first minute and $0.4 for each additional minute or portion thereof. Write an inequality representing the number of minutes a person could talk with out exceeding $3.00
Click here to see answer by Lacey020991(49) |
Question 85291: The cost for a long-distance telephone call is $0.36 for the first minute and $0.4 for each additional minute or portion thereof. Write an inequality representing the number of minutes a person could talk with out exceeding $3.00
Click here to see answer by stanbon(57967) |
Question 85412: What is the inequality of 2a+7>-5a+28? Can u please explain inequalities completely because i am not haveing any luck trying to explain this to my sister i completely forgot how to do them.
please and thank you
Click here to see answer by scianci(186) |
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