Tutors Answer Your Questions about Equations (FREE)
Question 93834: I need help finding the answer to this equation:
5/3(y+2)=1/2-y
This is a review question is my college math class 153 and I haven't taken a math class in over a year and a half and I'm lost. In the back of the book it says the answer is -17/16 but I've done the problem over 10 times and searched and could not find how they got -17/16 for the answer.
Please help!
Click here to see answer by checkley75(3666)  |
Question 93838: I need to solve this with a equation.
A student takes a test where two points are given for every correct answer and 3 points are deducted for every wrong answer. If the student scores 40 points on a 30-question test, how many questions did she answer correctly?
Click here to see answer by checkley75(3666) |
Question 93836: I need to solve this with a equation.
The sport shop sells bicycles and tricycles and often has a selction of them sitting out for customers to try. While I was looking around, my son counted 70 wheels and 29 handlebars. How many bicycles and how many tricyles were there?
Click here to see answer by scott8148(6628)  |
Question 93850: I have to solve this with a equation. Thanks!
Five stones together weigh 24 pounds. The middle one weighs 4 times as much as the smallest. The largest weighs 3 times as much as the second smallest. The second smallest weighs 3 times as much as the smallest. The fourth smallest weighs as much as the second and third smallest together. How much does each stone weigh?
Click here to see answer by ankor@dixie-net.com(22740)  |
Question 93850: I have to solve this with a equation. Thanks!
Five stones together weigh 24 pounds. The middle one weighs 4 times as much as the smallest. The largest weighs 3 times as much as the second smallest. The second smallest weighs 3 times as much as the smallest. The fourth smallest weighs as much as the second and third smallest together. How much does each stone weigh?
Click here to see answer by stanbon(75887) |
Question 93882: I have a lot of trouble with word problems. Can someone help?
Beans sell for $9.00 a pound and $12.00 per pound. The two types need to be mixed to create a 100 pound mixture that sells for $11.25 per pound. How much of each bean should be used?
Thank you.
Click here to see answer by checkley75(3666) |
Question 93893: I am having a lot of trouble. Can somebody please help me?
A small firm produces both am and am/fm car radios. The am radios take 15 hours to produce and the am/fm radios take 20 hours. The number of production hours is limited to 300 hours a week. The capacity is limited to a total of 18 radios per week and existing order require that at least 4 am radios and 3 am/fm radios be produced per week. Write system of inequalities representing the situation. Draw a graph of the feasible region given this conditions, in which x is the number of am and y is the number of am/fm radios.
Thanks
Click here to see answer by ankor@dixie-net.com(22740) |
Question 94294: The kinetic energy of a particle of mass m is found by taking one half of the product of the mass (m) and the square of the velocity (v). Write an expression for the kinetic energy of a particle.
Click here to see answer by Nate(3500) |
Question 94349: I'm trying to find the writable portion of a piece of stationery using only the picture in the mail order mag. I know the actual sheet is 5x7. It measures 1.625 or (1 5/8) by 1.125 or (1 1/8) in the picture. The writable area is 5/16" from the top of the page and 7/16" from the bottom. Using these measurements, how do I convert them to the standard 5x7 card? I know
5" = 1.125" and 7" = 1.625" so what is (5/16") or .3125" and (7/16") or .4375"??? I know this is probably an easy equation and I know I learned it in 9th grade algebra, but that's been a LONG time ago. Thanks for your attention and time.
Click here to see answer by stanbon(75887) |
Question 94417: I have some problems and I was wanting to make sure I am doing them right.
Can you take a look and help me?
equation what i did
problem#1
3-6[2x-1(8x+3)-6]+9
3-6[-6x+2-6]+9
-3[-6x-4]+9
18x+12+9
18x+31
problem #2
6(-3)/(-32)
-18/-32
.5625
problem #3
6x^5(4x^2)
Click here to see answer by stanbon(75887) |
Question 94502: You and your friend live 12 miles apart. You leave home at the same time and travel toward each other. You walk at a rate of 4 miles per hour and your friend bicycles at a rate of 11 miles per hour. How long after you leave home will you meet? How far from home will each of you be?
Click here to see answer by checkley71(8403) |
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