02/12/19
Cost of gas for trip
A car gets 30 miles per gallon, and gas costs $2.80 per gallon. What is the cost of gas for a 540 mile trip?
02/12/19
How do you get 3/4 times 12x -8 equals to -72
3/4(12x-8)=-72 because I really don’t understand how to get -72 to solved this answer if there is more than one answer to this question
02/12/19
Factor 54+27 using the GCF. What is the factored expression?
I'm not really sure how to solve this..
02/12/19
Interest problem
Jane invested $20,000 in two accounts. She took a 4% loss on one account and made a 12% profit on the other. She ended up breaking even. I keep getting a negative number. Thanks for your help!
02/12/19
Distance problem
Two cars leave the same spot and one goes north at 56mph and the other goes south at 47mph. When will the two cars be 206 miles apart?
02/09/19
The cost function for a certain company
The cost function for a certain company is C = 40x + 800 and the revenue is given by R = 100x − 0.5x2. Recall that profit is revenue minus cost. Set up a quadratic equation and find two values...
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02/01/19
Having a hard time figuring out the formula
A class used cars and vans to go on a field trip because all the buses were already in use. They used eight vehicles to go on the trip. Each car holds three students in each van holds 12 students....
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02/01/19
Math problem that I don't get.
I don't know how to write a equation for three less than seven times a number equals twenty-four.
John receives a loan for $16,000.
John receives a loan for $16,000. Three- fifths of this amount is spent on purchasing materials to dye the shirts and one-fourth of the remaining amount is spent on labour costs. What amount is...
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01/18/19
help????????????
Michael will rent a car for the weekend. he can choose on of two plans. The first plan has an initial fee of 38 and costs an additional 0.16 per mile driven. The second plan has an initial fee of...
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01/07/19
Equation in a line
write an equation for the line that passes through (-8, -10 ) and is parallel to the line whose equation is y=-4x+3
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