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 Test Calculators and Practice Answers archive Word Problems Lessons In Depth

 Question 530520: Rolandos living room is 20ft.by 15ft.his ceilings are 10ft high. If a can of paint covers 150sq.ft approximately how many gallons will it take to paint the walls and ceilings Click here to see answer by rfer(12729)

 Question 530547: Two automobiles start out at the same time from cities 595 km apart.if the rate of one is 8/9 of the rate of the other and if they meet in 7 hours,what is the rate of each? Click here to see answer by mananth(12270)

 Question 530557: Two cars leave delhi at the same time ,travelling in opposite directions.if the average speed of one car is 5km/hr more than that of the other and they are 425 km apart at the end of 5hrs,what is the average speed oe each? Click here to see answer by oberobic(2304)

 Question 530657: a rope 36 feet long is cut into three pieces, the second piece is four feet longer tha the first, the las t piece is three times as long as the second. if x represents the length of the first piece, then which equation determines the lenght of the first piece? 36=5x+8 36=x+(x+4)+(3x) 36=3x+12 36=x+(x+4)+3(x+4) 36=3x+16 Click here to see answer by oberobic(2304)

 Question 530788: I am struggling to understand how can 3/4-2/3=1/12 But -3/4-2/4= 17/12 I know it is prob a simple answer but I am at a loss. Click here to see answer by ptaylor(2052)

 Question 531216: 1. csc^2 A=1 + cot^2 A 2.cos^2 A/1- sin A + 1+ sin A 3.sin A + tan A/ cot A + csc A=sin A tan A Click here to see answer by Edwin McCravy(8999)

 Question 531332: Each edge of a cube is 3cm long. What is the volume of the cube?? Click here to see answer by solver91311(17077)
 Question 531332: Each edge of a cube is 3cm long. What is the volume of the cube?? Click here to see answer by algebrahouse.com(1079)

 Question 531413: I need help with finding a way to break up 54 besides 9x6 Click here to see answer by stanbon(57962)

 Question 531614: sarah bought a car for 26,000. it decreased 16% in value each year. what was sarah's car worth 2 years after she bought it? Click here to see answer by solver91311(17077)

 Question 531789: what is the slope and y intercept of 6x-2y=2 Click here to see answer by oberobic(2304)

 Question 532065: Use 4 unit multipliers to convert 60 square meters to square inches Click here to see answer by Edwin McCravy(8999)

 Question 532127: I really need to know how to put point-slope equations in standard form, Ax+By=C Click here to see answer by oberobic(2304)

 Question 532399: The sum of 3 numbers is 18. The sum of the first two numbers is 15. The first number is three times the size of the third number. What are the three numbers? X+y+z=18 Click here to see answer by Alan3354(31518)
 Question 532399: The sum of 3 numbers is 18. The sum of the first two numbers is 15. The first number is three times the size of the third number. What are the three numbers? X+y+z=18 Click here to see answer by Maths68(1474)

 Question 532409: The sum of three numbers is 18. The sum of the first and second numbers is 15. The first number is 3 times larger than the third number. Solve for the three variables Click here to see answer by Maths68(1474)

 Question 532464: Please solve the following by elimination... 3x + 4y = -8 x + 4y = 4 5x + 4y = 22 5x + y = 13 Thank you Click here to see answer by mananth(12270)

 Question 532541: Both inlet and outlet pipes to a cider barrel were mistakenly left open. Nevertheless, the barrel filled in 12 hours. With only the outlet pipe open, a full barrel of cider can be emptied in 1 hour more than the time to fill an empty barrle with only the inlet pipe open. How long would draining a full barrel of cider take with the outlet pipe open and the inlet pipe closed? Click here to see answer by ankor@dixie-net.com(15746)

 Question 532701: An object accelerates at 1 G. How long does it take to reach 90% of the speed of light. (I'm writing a sci-fi) Click here to see answer by Edwin McCravy(8999)

 Question 532834: How do you convert 5.87 x10^12 miles per year to meters per second using equations? Click here to see answer by stanbon(57962)

 Question 533091: Can you solve for y in this problem Y-15/y+4=35/7 Click here to see answer by oberobic(2304)

 Question 533196: My syllabus gives these co-ordinance as the solution but I don't understand how they got this answer? 2x + y = 17 y = 6x + 1 x = 2, y = 13 Thanks Click here to see answer by mananth(12270)

 Question 533210: Find the slope and y-intercept of the line with the equation 4x-2y=32. Click here to see answer by mananth(12270)

 Question 533272: How fast in mph would I be going if I traveled 60 miles in 22 minutes??? Click here to see answer by josmiceli(9817)

 Question 533424: Square root of x+1 is equal to x-1 Click here to see answer by scott8148(6628)