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Question 340033: X-8=10
Click here to see answer by rfer(12657)

Question 340041: (3x)2 the exponent is the 2. X equals 4
Click here to see answer by rfer(12657)

Question 340093: 25/100=x/4
Click here to see answer by rfer(12657)

Question 340145: Solve using long division. Show your work and CHECK.
(When I put, for instance, 6(3) I mean the number six cubed.)
(-30+6y(3)-28+y(2) )Divided by (2y-5)
Please help me, I don't even know where to begin!!!!
Click here to see answer by stanbon(57337)

Question 340133: What does this factor out as?
3x^2+10x-8
Click here to see answer by ankor@dixie-net.com(15649)

Question 339728: Tina is training for a biathlon. As part of her training, she runs an 7-mile course, 4 miles of which is on level ground and 3 miles of which is downhill. It takes her 40 minutes to run the level part of the course and 20 minutes to run the downhill part of the course. Find her average speed in minutes per mile and in miles per minute for each part of the course. Round to the nearest hundredth, if rounding is necessary.

Click here to see answer by ankor@dixie-net.com(15649)

Question 340271: 60 is 48% of what number
Click here to see answer by Alan3354(30993)

Question 340281: Expression for 7 increased by x
Click here to see answer by texttutoring(324)

Question 340269: what percent of 20 is 6
Click here to see answer by rfer(12657)

Question 340195: The measure of the supplement of an angle is 20 degrees more than three times the measure of the original angle. Find the measures of the angles.
Click here to see answer by rfer(12657)

Question 340304: Henry Ford’s Model T was originally designed and built to be run on ethanol. Today ethanol (190-proof) can be produced with domestic stills for about $0.75 per gallon. When blended with gasoline costing $3.00 per gallon, a 20% ethanol and 80% gasoline mixture costs $2.55 per gallon. Assume fuel consumption at 25 miles per gallon and engine performance in general are not adversely affected with this 20-80 blend (Called E20).
a. How much money can be saved for 15,000 miles of driving per year?
b. How much gasoline per year is being conserved if one million people use the E20 fuel?

Click here to see answer by Theo(3461)

Question 340198: Looking for the proper steps in order to come to known answer.
42/3-neg5/8=
Click here to see answer by Fombitz(13828)

Question 340298: Find the derivative of the function.
Y=5/(2x)^3+2 cos x
Click here to see answer by Fombitz(13828)

Question 340325: The length of a rectangle is 3cm greater than it's width. If the perimeter is 46cm, what is the length and width?
Click here to see answer by Fombitz(13828)

Question 340414: ax+b=c
Click here to see answer by jim_thompson5910(28593)

Question 340523: 3x6-5=what???
-3(5x4)=???
- plus a +=a negative or a positive?
+ plus a - =???

Click here to see answer by Alan3354(30993)

Question 340555: simplfy -7(a)(-2)(a) Please
Click here to see answer by rfer(12657)

Question 340662: The elevator speed in the Washington monument takes 75 seconds to travel 500 feet to the top floor. What is the speed of the elevator in miles per hour? Give your answer to two significant digits.
Click here to see answer by solver91311(16877)

Question 340725: 5q-2=3
Click here to see answer by mananth(12270)

Question 340754: The depth of lake superior is 1330ft.it is 407 ft deeper than lake Michigan. How deep is lake Michigan?
Click here to see answer by rfer(12657)

Question 340789: How long will it take $200 to double itself at 9% simple interest
Click here to see answer by mananth(12270)

Question 340794: Hi I'm having trouble with my algebra homework please help =(.......... My professor does not explain nothing and i want to see how you can help me Improve myself and my math skills
Click here to see answer by mananth(12270)

Question 340090: 2. Two cyclist start biking from a trails start 3 hours apart. The second cyclist travels at 10 miles per hour and starts 3 hours after the first cyclist who is traveling at 6 miles per hour. How much time will pass before the second cyclist catches up with the first from the time the second cyclist started biking?
A. 2 hours
B. 4 1/2 hours
C. 5 3/4 hours
D. 6 hours
E. 7 1/2 hours
Please can you show me the solution.
Click here to see answer by nyc_function(2733)

Question 340848: Find the cube roots of -i.
Click here to see answer by Edwin McCravy(8908)

Question 340850: Your question goes here. Write clearly! We are not mind readers, so be sure to ask a question that we can understand.
Click here to see answer by CharlesG2(828)

Question 340940: Hi story problems are not favorite and seem to get confused with them. Can you please help me with this one.
Jack usually mows his lawn in 3 hours. Marilyn can mow the same yard in 7 hours, how much time would it take for them to mow the lawn together?

Thanks :o)
Click here to see answer by nerdybill(6958)

Question 340943: Hi I just want to make sure I got the correct answer in finding there was no solution found in this problem.
x - 6 = x^2+36
__ ___ ______
x+6 x-6 x^2-36
The solution is x= No Solution is this correct?
Thanks for your help :o)
Click here to see answer by solver91311(16877)

Question 341139: if sarah can pain a fence in 4 hours and tim can paint the same fence in 8 hours how much would it take them to paint the fence toguether
Click here to see answer by nerdybill(6958)

Question 341159: A sphere has a volume of 25m^3. What is the diameter in dm??
Click here to see answer by stanbon(57337)

Question 340942: Here we go again, with story problems. I just cant seem to get them right so will you please help me.
Jodie bicycles 6 km/h faster than Robert. In the same time it takes Robert to bicycle 48 km Jodie can bicycle 66km. how fast does each bicyclist travel?
Robert travels ___________ km/h
Jodie travels ____________ km/h
Thanks :o)
Click here to see answer by ankor@dixie-net.com(15649)

Question 341157: One of your peerswas absent on the day of the test. The class average for 24 students was 75% before that person took the test. After the student took the test, the average increased to 76%. What did that person get on the test?
Click here to see answer by edjones(7569)

Question 341241: Need equation for x + odd numbers
Click here to see answer by fractalier(2101)

Question 341251: 3x+3=-2x-12
Click here to see answer by jim_thompson5910(28593)

Question 341251: 3x+3=-2x-12
Click here to see answer by texttutoring(324)

Question 341251: 3x+3=-2x-12
Click here to see answer by fractalier(2101)

Question 341150: A data set with at least 5 different numerical values in the set that has the same number for the mean, median, and mode.
Click here to see answer by edjones(7569)

Question 341198: Y=-1/4(x+2)2+1
Click here to see answer by Fombitz(13828)

Question 341156: 1/4x+1/2=1/4x-1/2

Click here to see answer by Fombitz(13828)

Question 341268: The volume of a box is 60um^3(micro)
If the length is 50 cm and the length is 3.5*(10^-3)km, what is the height, in pm?
Click here to see answer by Alan3354(30993)

Question 341437: Can you please help find what the LCM of is. I am getting frustrated. :D
x^2 + 8x + 16 and x^2 + 2x -8
Thanks
Click here to see answer by solver91311(16877)

Question 341456: Is the answer to x-5/8 = 7/8 2/8
Click here to see answer by Alan3354(30993)

Question 341501: Your question goes here. Write clearly! We are not mind readers, so be sure to ask a question that we can understand.
Click here to see answer by Alan3354(30993)

Question 341503: What is the algebraic expression of one less than twice the square of a number.
Click here to see answer by stanbon(57337)

Question 341502: You are building a walkway of uniform width around a 100 foot by 60 foot swimming pool. After completing the walkway, you want to put a fence along the outer edge of the walkway. You have 450 feet of fencing to enclose the walkway. What is the maximum width of walkway?
Click here to see answer by edjones(7569)

Question 341478: Solve the formula for the variable given.
T=fm-gm; g (Engineering)
g=
Click here to see answer by edjones(7569)

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