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Question 311137: Gravies average driving speed is 4 kilometers per hour faster than Richards. In the same length of time it takes Gracie to drive 265 kilometers Richard drives 252 kilometers. What is gravies average speed?
Click here to see answer by ankor@dixie-net.com(22740)

Question 311291: 4x2
Click here to see answer by Miceandwine(15)

Question 311429: If Sally could paint a house in 4 hours, and John can paint the same house in 6 hour, how long will it take for both of them to paint the house together ?
Click here to see answer by mananth(16946)

Question 311141: Train a leaves a station traveling at 96 kilometers per hour. 4 hours later train b leaves the same station traveling in the same direction at 107 kilometers per hour. How long does it take train b to cath up to train a?
Click here to see answer by ankor@dixie-net.com(22740)

Question 311441: What is the average (arithmetic mean) of 4x + 5, 7x-6,and -8x+2?
Click here to see answer by Fombitz(32388)

Question 311458: Celeste wants to have her hair cut and perm and also go to lunch.She knows she will need $50. The perm costs twice as much as her haircut and she needs $5 for lunch.How much does the perm cost?
Click here to see answer by Miceandwine(15)

Question 311519: In a 9 inch square cake pan and a 10 inch square cake pan, what is the difference in volume each pan will hold? Assume each pan is 3 inches high. Show step by step work. Include correct units with your solution.

Click here to see answer by checkley77(12844)

Question 311652: 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 stanbon(75887)

Question 311660: Question 1-Etch Clean Graphics uses one cleanser
that is 25% acid and a second that is 50% acid. How
many liters of each should be mixed to get 10 L of a
solution that is 40% acid?
Question 2-Automotive Maintenance. "Arctic Antifreeze" is 18% alcohol and "Frost No-More" is 10% alcohol. How many liters of Arctic Antifreeze should be mixed with 7.5 L of Frost No-More in order to get a mixture that is 15% alcohol?

Click here to see answer by mananth(16946)

Question 311703: If I am in 7th grade and I take pre alegbra again next year,how many Years of Math do I take in high school?
Click here to see answer by Alan3354(69443)

Question 311890: I need help write in scientific. Notation.

Click here to see answer by Alan3354(69443)

Question 311842: (4x+2)^2
Click here to see answer by checkley77(12844)

Question 311905: Was born maria and margarita ( twins) his weithg together 35 onces. Margarita weithg 3 once more than maria. Who is the individual weithg???..
Click here to see answer by Alan3354(69443)

Question 311897: Solve by completing the square: 3x^2 - 10= 2x
Click here to see answer by josmiceli(19441)

Question 311908: Twuelve less that five times a number is the same that a imcrement number for fourt??
I need expresed in algebra
Click here to see answer by mollukutti(30)

Question 311985: there are 216 people in a theatre. 1/3 of the male audience and 3/4 of the female audience are children. There is an equal number of male and female audience. How many children are there in the theatre?
Click here to see answer by mananth(16946)

Question 312004: I'm so lost with this. Please help!!!
find the vertex. f(x)= 5(x+ 1/4)^2+19

Click here to see answer by Edwin McCravy(20054)

Question 312027: 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 Fombitz(32388)

Question 311994: 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 Fombitz(32388)

Question 312157: 3x+4y=-12
-x+y=5
Click here to see answer by Fombitz(32388)

Question 312072: If a manufacturer charges q dollars each for footballs, then he can sell 3000-150q footballs per week.
a) Find the polynomial that represents the revenue for one week.
b) Find the weekly revenue if the price is $8 for each football.
Click here to see answer by Fombitz(32388)

Question 312199: A model rocket is shot into the air and its path is approximated by , where h is the height of the rocket above the ground in metres and t is the elapsed time in seconds.
a. When will the rocket hit the ground?
b. What is the maximum height of the rocket?
Click here to see answer by nyc_function(2741)

Question 312310: I can't seem to get these right, so thanks for helping if you can.

1.) Change the following equation into vertex form:
y = 12x^2 - 96x + 200

2.) Write an equation for the ellipse that has foci (0,-15) and (0,15) and focal constant 34. (And what exactly is a focal constant?)
Click here to see answer by solver91311(24713)

Question 312366: 3x+2y-z=8
-3x+4y+5z=-14
x-3y+4z=-14
Can you help me solve that
Click here to see answer by Fombitz(32388)

Question 312356: 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 Fombitz(32388)

Question 312353: aUc
where a=2,4,6,8 and c=1,4,9
Click here to see answer by Fombitz(32388)

Question 312351: (4sqrt3-2sqrt2)(3sqrt3+4sqrt2)
Click here to see answer by Fombitz(32388)

Question 312437: 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 Fombitz(32388)

Question 312492: Jim has a total of 50 coins. Some are nickels and some are quarters. Altogether he has $4.10. How many quarters does he have? How many nickels?
Click here to see answer by checkley77(12844)

Question 312624: How do you convert 6200 cubic inches to cubic feet useing 3 unit multiplyers
Click here to see answer by mananth(16946)

Question 312685: Solve the following for x.
5x+7=-3x-2
Click here to see answer by nyc_function(2741)

Question 312809: 2b +c2 b=3 c=5
Click here to see answer by rfer(16322)

Question 312895: The ratio of tweedle-dees to tweedle-dums was 2 to 7.if a total of 108 were present,how many of them were tweedle-dums
Click here to see answer by checkley77(12844)

Question 312834: A collection of coins is to be divided amongst 3 people so that the second person has 8 more than the first person and the third person has 6 fewer coins than the second,how many coins should each person get?
Click here to see answer by ankor@dixie-net.com(22740)

Question 312944: y<3x-5
Click here to see answer by nyc_function(2741)

Question 312997: Wath fraction name for 1 has a denominator 7?
Click here to see answer by Fombitz(32388)

Question 313159: Alan types a paper in 3hrs. Bill can type the same paper in 2hr. How long would it take them,working together,to type the paper?
Click here to see answer by nerdybill(7384)

Question 313161: One car travels 8mph faster than another. While the slower one goes 14mi, the other goes 17.2mi. Find the speed of each car.
Click here to see answer by texttutoring(324)

Question 313161: One car travels 8mph faster than another. While the slower one goes 14mi, the other goes 17.2mi. Find the speed of each car.
Click here to see answer by OmniMaestra(21)

Question 313169: Find an equation of variation in which Y varies directly as X and Y=20 when X=16. Then find the value of Y when X=10.
Click here to see answer by solver91311(24713)

Question 313175: The numbers on Ken's three raffle tickets are consecutive whole numbers. The sum of the numbers is 621. What are the numbers?
Click here to see answer by josmiceli(19441)

Question 313182: Find all numbers such that four more than five times the number is greater than -10.
Click here to see answer by nyc_function(2741)

Question 313185: The perimeter of a rectangular playing field is not to exceed 280ft. The width is to be 20 ft less than the length. What widths will meet these conditions?
Click here to see answer by nyc_function(2741)

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