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 Test Calculators and Practice Answers archive Word Problems Lessons In Depth

 Question 607663: Manufacturer of a clothes dryer has found that, when the unit price is p dollars, the revenue R ( in dollars) is R(p)= -4p^2 + 4000p What unit price should be established for the dryer to maximize revenue? What is the maximum revenue? I hope you can shine some light on this problem for me! Word problems are not my strong suit! Thank you! Click here to see answer by scott8148(6628)

 Question 607712: Y = 1/3x + 1 Y = -3x + 11 Solve each system by graphing Click here to see answer by jim_thompson5910(28598)
 Question 607712: Y = 1/3x + 1 Y = -3x + 11 Solve each system by graphing Click here to see answer by ewatrrr(10682)

 Question 607729: 2x + 2y = 38 Y = x + 3 Solve each system using substitution Click here to see answer by ewatrrr(10682)

 Question 607888: John has \$9.00 in quarters and dimes. He has 60 coins total. How many quarters does he have? Click here to see answer by lynnlo(4164)

 Question 607886: John has \$9.00 in quarters and dimes. He has 60 coins total. How many quarters does he have? Click here to see answer by lynnlo(4164)

 Question 608147: Carla is five years older than her sister Julie. The product of their ages is 234. How old is Julie? Click here to see answer by solver91311(16897)

 Question 608281: A bowl contains five green olives and eight black ones. Wilma picks one olive at random and eats it. She then picks another olive. What is the probability that she gets one green and one black olive? Click here to see answer by stanbon(57387)

 Question 608624: Solve for x and y: 2x + y= 3 X^2 + y= 5 Can you please take me step by step? Im really having trouble with this. Click here to see answer by solver91311(16897)

 Question 608825: Using the unit circle to solve for x in radians, and withthe restriction of [0,2pi), how would you solve sin2xsinx-cosx=0? Click here to see answer by Alan3354(30993)

 Question 608893: The sum of two numbers is -1. The difference between the numbers is 19. Find the numbers. Click here to see answer by richwmiller(9143)

 Question 608955: Sputnik was the first artificial satellite to be put into orbit in 1957. The launching of Sputnik caught the west by suprise and led to the beginning of the space race, it was spherical and was 58cm in diameter. What was the internal volume? Show the calculations Click here to see answer by Alan3354(30993)

 Question 608904: A wife and husband, Linda and Mark, have ages that total 80 years. Two years ago, 2 times Marks age was 2 years more than, 3 times Lindas age. How old is each now? (Write and solve the equation) Click here to see answer by flame8855(424)

 Question 608954: What is the volume of a drum that is 120cm high and has a radius of 50cm? Show the calculations Click here to see answer by Alan3354(30993)

 Question 609151: The sides of a triangle measure 6,6 and 6*the sq root of 2. What is the measure of the angle between a side and the longest side Click here to see answer by ewatrrr(10682)

 Question 609195: the perimeter of a triangle is 48 cm. the second side is 4 less than twice the first side. the third side is 10 less than twice the second side. what are the side lengths of the triangle? Click here to see answer by ewatrrr(10682)

 Question 609286: A standard deck of 52 cards is shuffled and one card is drawn. What is the probability that the card is? Click here to see answer by richard1234(5390)

 Question 609338: what is the square root of 49 divided by 64? Click here to see answer by stanbon(57387)

 Question 609377: one bag contains 5 red marbles, 4 blue marbles, and 3 yellow marbles, and a second bag contains 4 red marbles, 6 blue marbles, and 5 yellow marbles. If lydia randomly draws one marble from each bag, what is the probability that they are both not yellow? Click here to see answer by flame8855(424)

 Question 609388: Standard line equation with points (0,1) and (2,0) Click here to see answer by flame8855(424)

 Question 609394: In your sock drawer, there are 30 black socks, 12 white socks, and 20 brown socks. To the nearest hundredth, what is the probability of randomly selecting two white socks without replacement? Click here to see answer by flame8855(424)

 Question 609516: A machine to make stickers costs 12 dollars and each sheet of paper costs .50 sense each sheet of stickers sells for \$2 write and graph and equation to find how many stickers you must sell Click here to see answer by richwmiller(9143)

 Question 609532: suppose you deposit money in an investment account that pays 7% annual interest compounded continuously. about how many years will it take for your initial deposit to double? Click here to see answer by scott8148(6628)