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 Volume/347112: find the dimensions of the container (that has a volume of 500000 liters) so you can calculate the surface area.1 solutions Answer 248201 by Alan3354(30993)   on 2010-09-23 09:19:28 (Show Source): You can put this solution on YOUR website!It depends on the shape of the bottle.
 Travel_Word_Problems/347104: if a plane can travel 480mph with the wind and 380 against the wind, what is the plane's speed in still air?1 solutions Answer 248196 by Alan3354(30993)   on 2010-09-23 08:54:04 (Show Source): You can put this solution on YOUR website!It's the average (480 + 380)/2 = 430 mph -------------- It's called airspeed, not "speed in still air" And planes use knots, not mph. 1 knot = 1 nautical mile per hour
 decimal-numbers/346799: What is the value of 3 in 11.36 seconds1 solutions Answer 247991 by Alan3354(30993)   on 2010-09-22 17:55:39 (Show Source): You can put this solution on YOUR website!The value of 3 is 3, regardless of how much time passes.
 test/346801: I am stressed out and I don't get algebra 2 class1 solutions Answer 247989 by Alan3354(30993)   on 2010-09-22 17:54:26 (Show Source): You can put this solution on YOUR website!That can happen.
 Vectors/346675: Find the cross product of v and w if v = <-1/3, 4, -3/8> and w = <6, -4/5, 4> (NOTE: There is suppose to be an arrow on top of all the letters)1 solutions Answer 247863 by Alan3354(30993)   on 2010-09-22 12:23:02 (Show Source): You can put this solution on YOUR website!VxW = (157/10)i + (11/12)j - (356/15)k
 Numbers_Word_Problems/346671: The perimeter for a sports field is 292ft.the length is 48ft longer than the width. what is the width of the field? what is the length of the field?1 solutions Answer 247861 by Alan3354(30993)   on 2010-09-22 12:12:27 (Show Source): You can put this solution on YOUR website!Do it like this one: ---------------------- The length of a rectangle is 10 cm longer than its width. The perimeter of the rectangle is 68 cm. What are the length and width of the rectangle? ------- Perimeter = 2W + 2L = 68 W + L = 34 L = W + 10 Sub for L in the 1st eqn W + (W+10) = 34 2W + 10 = 34 W = 12 cm
 Linear-equations/346662: my measurements for my laptop are 9x 13 how do I figure out the slope of this?1 solutions Answer 247859 by Alan3354(30993)   on 2010-09-22 11:52:04 (Show Source): You can put this solution on YOUR website!More info is needed. Is 9 the width or the height? Do you want the slope from the lower left to upper right, or upper right to lover left? Or some other slope?
 Systems-of-equations/346657: Find the solution of this system of eqautions. seperate the x- and y- values with a comma. x-2y=-29 x-y=-11 i really need help with this, i have stated what needs to be done with the equation at the top.1 solutions Answer 247854 by Alan3354(30993)   on 2010-09-22 11:26:32 (Show Source): You can put this solution on YOUR website!Duplicate.
 Systems-of-equations/346658: Find the solution of this system of eqautions. seperate the x- and y- values with a comma. x-2y=-29 x-y=-11 i really need help with this, i have stated what needs to be done with the equation at the top.1 solutions Answer 247853 by Alan3354(30993)   on 2010-09-22 11:21:18 (Show Source): You can put this solution on YOUR website!x-2y=-29 x-y=-11 ---------- Subtract -y = -18 y = 18 x = 7
 Circles/346646: Suppose you have a pipe with a circumference of 8 cm and length of 30 cm and that 8 turns of wire are wrapped around the pipe. What is the length of the wire?1 solutions Answer 247852 by Alan3354(30993)   on 2010-09-22 11:19:37 (Show Source): You can put this solution on YOUR website!Assuming you mean that the wire makes it turns along the 30 cm length: 8 times the circumference is the base and the 30 cm is a side of a right triangle. The hypotenuse is the length. L =~ 70.68 cm
 Numbers_Word_Problems/346650: What numbers are divisible by 200 but not 40.1 solutions Answer 247848 by Alan3354(30993)   on 2010-09-22 11:05:52 (Show Source): You can put this solution on YOUR website!None.
 Geometry_Word_Problems/346638: The width of a rectangle is 9 cm shorter than its length. The peremeter of the rectangle is 40 cm. What are the longth and with of the rectangle?1 solutions Answer 247844 by Alan3354(30993)   on 2010-09-22 11:00:35 (Show Source): You can put this solution on YOUR website!Do it like this one: ---------------------- The length of a rectangle is 10 cm longer than its width. The perimeter of the rectangle is 68 cm. What are the length and width of the rectangle? ------- Perimeter = 2W + 2L = 68 W + L = 34 L = W + 10 Sub for L in the 1st eqn W + (W+10) = 34 2W + 10 = 34 W = 12 cm L = 22 cm
 Geometry_Word_Problems/346636: The lenght of a rectangle is 10 cm longer than its width. The peremeter of the rectangle is 68 cm. What are the length and width of the rectangle?1 solutions Answer 247843 by Alan3354(30993)   on 2010-09-22 10:59:35 (Show Source): You can put this solution on YOUR website!The lenght of a rectangle is 10 cm longer than its width. The peremeter of the rectangle is 68 cm. What are the length and width of the rectangle? ------- Perimeter = 2W + 2L = 68 W + L = 34 L = W + 10 Sub for L in the 1st eqn W + (W+10) = 34 2W + 10 = 34 W = 12 L = 22
 Travel_Word_Problems/346643: a train travels 300km in 5hours.find the speed?1 solutions Answer 247842 by Alan3354(30993)   on 2010-09-22 10:56:56 (Show Source): You can put this solution on YOUR website!You have 2 numbers. give it a try.
 Quadratic_Equations/346644: How do I solve this quadratic equation? x^2 +4x - 61 solutions Answer 247841 by Alan3354(30993)   on 2010-09-22 10:56:06 (Show Source): You can put this solution on YOUR website!It's not an equation, there's no equal sign.
 Numbers_Word_Problems/346640: I just realized that I missed a letter from my e-mail address, can you please fixed. Thanks. My e-mail address is rawlinsbeverly@yahoo.com I misspelled beverly. Sorry for any inconvience.1 solutions Answer 247839 by Alan3354(30993)   on 2010-09-22 10:49:08 (Show Source): You can put this solution on YOUR website!Do you have a question?
 Rational-functions/346593: the square root of 7 the square root of 31 solutions Answer 247830 by Alan3354(30993)   on 2010-09-22 10:35:05 (Show Source): You can put this solution on YOUR website!Use a calculator.
 Rate-of-work-word-problems/346639: Sally can mow a typical yard in 3 hours and joe and mo0w the same yard in 5hours. working together exactly how many hours will it take to mow 1 yard?1 solutions Answer 247829 by Alan3354(30993)   on 2010-09-22 10:32:30 (Show Source): You can put this solution on YOUR website!Do it like this one. -------------------- One computer can print a company's mailing labels in 40 minutes. A second printer would take 60 minutes to print the lablels. How long would it take the two printes, operating together, to print the labels? -------------------------------------------------------- One does 1/40 of the job per minute. The other does 1/60 per minute. Together, they do 1/40 + 1/60 per minute = 3/120 + 2/120 = 1/24 job per minute --> 24 minutes per job -------------------------- Use the shortcut, product over sum: 40*60/(40+60) = 24 minutes
 Miscellaneous_Word_Problems/346637: To make pickles, fresh cucumbers are soaked in a salt water solution called brine. How many liters of a 4% brine solution must be added to 20 liters of a 12% brine solution to dilute it to an 8% solution? 1 solutions Answer 247826 by Alan3354(30993)   on 2010-09-22 10:27:13 (Show Source): You can put this solution on YOUR website!8 is the average of 4 and 12, so it's equal amounts. --> 20 liters. --------------------- I don't like pickles.
 Functions/346607: f(x+7)=x²+8x-11 solutions Answer 247824 by Alan3354(30993)   on 2010-09-22 10:24:52 (Show Source): You can put this solution on YOUR website!Do you have a question?
 Probability-and-statistics/346601: Shown below is a rather strangely numbered target. One day a marksman was parcticing. He took six shots and made a score of exactly 100. where did his shots land. 24 16 23 17 391 solutions Answer 247823 by Alan3354(30993)   on 2010-09-22 10:23:43 (Show Source): You can put this solution on YOUR website!17*4 and 16*2 = 100
 Complex_Numbers/346591: how to solve a complex rational algebraic expression1 solutions Answer 247815 by Alan3354(30993)   on 2010-09-22 10:06:14 (Show Source): You can put this solution on YOUR website!It's not possible. Equations are solved, not expressions.
 Graphs/346605: WHAT IS Y=1/4X1 solutions Answer 247814 by Alan3354(30993)   on 2010-09-22 10:03:10 (Show Source): You can put this solution on YOUR website!It's an equation giving y in terms of x. ---------------------------- y = (1/4)x or y = 1/(4x)
 Numbers_Word_Problems/346608: Can you please help me find the answer to: One computer can print a company's mailing labels in 40 minutes. A second printer would take 60 minutes to print the lablels. How long would it take the two printes, operating together, to print the labels? Thank you. 1 solutions Answer 247812 by Alan3354(30993)   on 2010-09-22 10:00:26 (Show Source): You can put this solution on YOUR website!One does 1/40 of the job per minute. The other does 1/60 per minute. Together, they do 1/40 + 1/60 per minute = 3/120 + 2/120 = 1/24 job per minute --> 24 minutes per job -------------------------- Use the shortcut, product over sum: 40*60/(40+60) = 24 minutes
 Equations/346590: how do i solve y+32=40 1 solutions Answer 247767 by Alan3354(30993)   on 2010-09-22 08:03:46 (Show Source): You can put this solution on YOUR website!Subtract 32 from both sides.
 Problems-with-consecutive-odd-even-integers/346367: The sum of three consecutive even integers is 30. Find the integers?1 solutions Answer 247709 by Alan3354(30993)   on 2010-09-21 20:47:58 (Show Source): You can put this solution on YOUR website!30/3 = 10 = the middle number
 Age_Word_Problems/346406: There are 3 Pizza with different diameters. pizza with 7cm dia costs \$70, pizza with 14cm dia costs \$350 and pizza with 21cm dia costs \$700. Which pizza is the best value for money?1 solutions Answer 247702 by Alan3354(30993)   on 2010-09-21 20:40:29 (Show Source): You can put this solution on YOUR website!There are 3 Pizza with different diameters. pizza with 7cm dia costs \$70, pizza with 14cm dia costs \$350 and pizza with 21cm dia costs \$700. Which pizza is the best value for money? ----------------------- Area is a function of the square of the diameter. 14cm dim = 4 times the area of the 7 cm at 5 times the price 21cm dim = 9 times the area of the 7 cm at 10 times the price The smallest one costs the least per unit area of pizza, and is the "best deal", neglecting any other factors.
 Square-cubic-other-roots/346173: 20sqrt*80sqrt*200sqrt1 solutions Answer 247631 by Alan3354(30993)   on 2010-09-21 16:48:46 (Show Source): You can put this solution on YOUR website!square root of what?