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Tutors Answer Your Questions about test (FREE)
Question 240637: a fishing boat broke down after traveling 2 hours against a 4 km/h current. The boat was carried back to its starting point by the current. The whole trip took 5.5 hours. Find the speed of the boat in still water before the motor failed.
Click here to see answer by Theo(675)   |
Question 239763: a farmer has 100 meters of fence to enclose the maximum area possible. she wishes to use a river bank as a natural boundary for one side of the rectangular garden that she desires to construct. some of the fence will also be used to divide the rectangular into 4 equal rectangular sections
a)what is the maximum area that cna be enclosed
b) what dimensions, lenght and widht , produce the maximum area?
Click here to see answer by Theo(675) |
Question 238328: Not sure what category this would fit under......
My assignment is on substitution....I did the problems but not sure if they are right...(I was able to do the other problems on the sheet but none of them had fractions or three different variables)- can someone post the proper steps to solve the problems (so I can check it against what I have...)?
1) 6x+2y-4=0 and 10x+7y= -8
2) 2/3x+y= -5/3 and x-1/3y= -13/3
Click here to see answer by College Student(210)  |
Question 238265: A store sells turkey sandwiches for $5.00 and ham sandwiches for $4.00. The store sells 5 more turkey sandwiches than double the amount of ham sandwiches and the total sales are $1089.00. How many of each are sold?
Click here to see answer by stanbon(26284)  |
Question 238265: A store sells turkey sandwiches for $5.00 and ham sandwiches for $4.00. The store sells 5 more turkey sandwiches than double the amount of ham sandwiches and the total sales are $1089.00. How many of each are sold?
Click here to see answer by alicealc(98) |
Question 236223: The amount of paint needed to cover the walls of a room varies jointly as the perimeter of the room and the heightof the walls. If a room with a perimeter of 40 feet and a 10 foot walls takes 4 quarts of paint, find the amount of paint needed to cover 80 feet and 8 foot walls.
Click here to see answer by rfer(2688) |
Question 236229: An arrow is fired into the air with an initial valocity of 96ft/sec. The hieght of the arrow t seconds after it was shot into the air is given by s(t)=-16t^2 +96t. When should the arrow reach its greatest hieght.
Click here to see answer by Alan3354(6090)  |
Question 236181: In the last election, candidate A received twice as many votes as candidate B. Candidate C received 15,000 fewer votes than candidate B. If a total of 109,000 votes were cast, hown many votes did candidate A receive?
Click here to see answer by checkley77(7069) |
Question 233599: Rita covers a certain distance by a car traveling at a speed of 70 km/h and returns at the starting point riding on a scooter at the speed of 55 km/h. Find her average speed for the whole journey.
Click here to see answer by rfer(2688) |
Question 233313: The number S of ant species in Kyle Canyon, Nevasa, can be modeled by the function S=-0.000013 + 0.042E - 21 where E is the elevation (in meters). Predict the elevation(s) at which you would expect to find 10 species of ants.
Click here to see answer by stanbon(26284) |
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Older solutions: 1..45, 46..90, 91..135, 136..180, 181..225, 226..270, 271..315, 316..360, 361..405, 406..450, 451..495, 496..540, 541..585, 586..630, 631..675, 676..720, 721..765, 766..810, 811..855, 856..900, 901..945, 946..990, 991..1035, 1036..1080, 1081..1125, 1126..1170, 1171..1215, 1216..1260, 1261..1305, 1306..1350, 1351..1395, 1396..1440, 1441..1485, 1486..1530, 1531..1575, 1576..1620, 1621..1665, 1666..1710, 1711..1755, 1756..1800, 1801..1845, 1846..1890
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