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# Recent problems solved by 'Alan3354'

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 Rate-of-work-word-problems/578356: I need to translate this statement into symbols. "The number of hours it takes to paint a house is inversely proportional to the number of people painting." I believe the answer is "t equals n over k" N being the number of workers and T being the numbers of house.1 solutions Answer 370612 by Alan3354(30993)   on 2012-02-26 16:54:13 (Show Source): You can put this solution on YOUR website!I need to translate this statement into symbols. "The number of hours it takes to paint a house is inversely proportional to the number of people painting." I believe the answer is "t equals n over k" N being the number of workers and T being the numbers of house. -------------------- t = k/n I think t = # of hours k = a constant, varies with the size of the house n = # of people --> more people working means fewer hours -------------------------- T being the numbers of house. The address? What "numbers of house." ?
 percentage/578235: if 18% of the group voted to change its bylaws and 22% voted against the change, how many people did not vote? the group has 720 members. 1 solutions Answer 370598 by Alan3354(30993)   on 2012-02-26 14:13:40 (Show Source): You can put this solution on YOUR website!When will discrimination against partial persons end?
 Polynomials-and-rational-expressions/578267: What is 10x squared subtracted by 15x squared1 solutions Answer 370597 by Alan3354(30993)   on 2012-02-26 14:11:01 (Show Source): You can put this solution on YOUR website!What is "subtracted by?"
 Polynomials-and-rational-expressions/578269: Please help me solve this equation dividing(6x^2y^2+4x^4y^6-4x^5y^3)/(2x^2y^2)1 solutions Answer 370596 by Alan3354(30993)   on 2012-02-26 14:09:05 (Show Source): You can put this solution on YOUR website!Please help me solve this equation dividing(6x^2y^2+4x^4y^6-4x^5y^3)/(2x^2y^2) ------------- That's not an equation. I can tell, there's no equal sign. --------- Cancel whatever you can. NUM and DEN have an x = They still have an x = No more x's = Cancel some 2's = --------------- then y^2 = Looks like we're done.
 Functions/578252: The perimeter of a square is 4 times the length of one side. Write a function using two variables to represent the situation. Find the perimeter if a side measures of 6 feet.1 solutions Answer 370594 by Alan3354(30993)   on 2012-02-26 13:50:48 (Show Source): You can put this solution on YOUR website!The perimeter of a square is 4 times the length of one side. Write a function using two variables to represent the situation. P = 4s ----------- Find the perimeter if a side measures of 6 feet. P = 4*6 P = 24 feet ---------------- Any reason you couldn't figure that out?
 Pythagorean-theorem/578254: Two vertical poles, 10 meters high and 15 meters high, stand 12 meters apart. Find the distance between the tops of the two poles.1 solutions Answer 370593 by Alan3354(30993)   on 2012-02-26 13:49:10 (Show Source): You can put this solution on YOUR website!Two vertical poles, 10 meters high and 15 meters high, stand 12 meters apart. Find the distance between the tops of the two poles. -------------- The vertical distance = 5 m (15-10) Horizontal distance = 12 m ------
 Geometry_Word_Problems/578245: the floor in the school cafeteria is 2,160 square feet. what could be the dimension of the cafeteria if it is rectangular in shape?1 solutions Answer 370592 by Alan3354(30993)   on 2012-02-26 13:37:54 (Show Source): You can put this solution on YOUR website!the floor in the school cafeteria is 2,160 square feet. what could be the dimension of the cafeteria if it is rectangular in shape? ---------- L*W = 2160 There are an infinite # of combinations. L=1, W = 2160 L = 10, W = 216 L = pi, W = 2160/pi etc
 Pythagorean-theorem/578204: Explain if 2, 3 and 4 cm could be side lengths of a right triangle .1 solutions Answer 370591 by Alan3354(30993)   on 2012-02-26 13:36:03 (Show Source): You can put this solution on YOUR website!Explain if 2, 3 and 4 cm could be side lengths of a right triangle ----------- 2, 3 & 4 can be a triangle. If it's a right triangle, then the square of the longest side = the sum of the squars of the other 2 sides. ------- If 4^2 = 2^2 + 3^2, it's a right triangle. It is not.
 Radicals/578173: 4^5/21 solutions Answer 370542 by Alan3354(30993)   on 2012-02-26 11:12:38 (Show Source):
 Triangles/578201: the sides of a triangle are each 18 inches. what is the measure of one of the angles?1 solutions Answer 370539 by Alan3354(30993)   on 2012-02-26 11:10:07 (Show Source): You can put this solution on YOUR website!They're equal, = 60 degs
 Triangles/578200: in triangle xyz xy= 7 inches yz= 9 inches, and xz= 4 inche. Name the smallest angle in the triangle?1 solutions Answer 370538 by Alan3354(30993)   on 2012-02-26 11:08:40 (Show Source): You can put this solution on YOUR website!in triangle xyz xy= 7 inches yz= 9 inches, and xz= 4 inche. Name the smallest angle in the triangle? ------------ It's opposite the shortest side. You can call it Y, or Herman, whatever you like.
 Mixture_Word_Problems/578159: PEANUTS COST \$3 PER POUND AND ALMONDS COST \$4 PER POUND. CREATE A MIXTURE THAT IS 53 POUNDS OF NUTS AT A COST OF \$155.1 solutions Answer 370527 by Alan3354(30993)   on 2012-02-26 09:52:07 (Show Source): You can put this solution on YOUR website!PEANUTS COST \$3 PER POUND AND ALMONDS COST \$4 PER POUND. CREATE A MIXTURE THAT IS 53 POUNDS OF NUTS AT A COST OF \$155. ---------- \$155/53 = \$2.92/pound Not possible. Any mix will be between \$3 and \$4 /pound.
 Quadratic-relations-and-conic-sections/578112: Please....help me solve this problem! Please! Find the equation of the locus of a point which moves so that the sum of its distances from the points (2,1) and (8,1) is 101 solutions Answer 370517 by Alan3354(30993)   on 2012-02-26 08:44:02 (Show Source): You can put this solution on YOUR website!Find the equation of the locus of a point which moves so that the sum of its distances from the points (2,1) and (8,1) is 10 ---------- The distance from P(x,y) to (2,1) = sqrt((x-2)^2 + (y-1)^2) The distance from P(x,y) to (8,1) = sqrt((x-8)^2 + (y-1)^2) ----
 Trigonometry-basics/577991: Find the angle(s) that would make the statement true. theta equals inverse of Csc (2)1 solutions Answer 370476 by Alan3354(30993)   on 2012-02-25 21:44:44 (Show Source): You can put this solution on YOUR website!Find the angle(s) that would make the statement true. theta equals inverse of Csc (2) ---------- csc = 1/sine --> arcsin(1/2) Angle = 30 degs, 150 degs ----------- Actually, Angle = 30 + n*360 degs, n = 0,1,2,3... Angle = 150 + n*360 degs, n = 0,1,2,3...
 Polynomials-and-rational-expressions/577992: I would like all of these solved with step by step instructions. Thank you. 1.) 2.) 4.) 5.) 6.) 7.) 8.) 9.) 10.) 11.) 12.) 13.) 14.) 15.) 16.) 17.) That is all. Thank you for helping.1 solutions Answer 370468 by Alan3354(30993)   on 2012-02-25 21:28:49 (Show Source): You can put this solution on YOUR website!I would like all of these solved with step by step instructions. Thank you. 1.) 2.) 4.) 5.) 6.) 7.) 8.) 9.) 10.) 11.) 12.) 13.) 14.) 15.) 16.) 17.) -------------- Equations are solved. These are not equations, there are no equal signs. ------------ No one's gonna do 17 for you, even if we knew what it is you want to do. If you post your efforts we will check your work. ------------- If you want to factor these: 1.) Notice all the coefficients are even numbers. Factor out the largest power of 2, in this case 8 = 4 = 3+1 so, =
 Linear_Equations_And_Systems_Word_Problems/577951: Determine the partial fractions of -2x+4/(1 solutions Answer 370447 by Alan3354(30993)   on 2012-02-25 19:01:04 (Show Source): You can put this solution on YOUR website!Determine the partial fractions of -2x+4/( ------- Something's missing.
 Mixture_Word_Problems/577965: how do you write 95 remainder 3 lbs. 1 solutions Answer 370446 by Alan3354(30993)   on 2012-02-25 18:59:33 (Show Source): You can put this solution on YOUR website!how do you write 95 remainder 3 lbs. --------------- 95 remainder 3 lbs. Like that.
 Travel_Word_Problems/577985: A small car and a big truck traveling at same speed 60mph for 20 miles,which vehicle will get to destination first?1 solutions Answer 370445 by Alan3354(30993)   on 2012-02-25 18:57:55 (Show Source): You can put this solution on YOUR website!A small car and a big truck traveling at same speed 60mph for 20 miles,which vehicle will get to destination first? ------------ If the speeds are the same, they'll stay together and arrive together.
 Travel_Word_Problems/577986: If you put a 5 gallon of water in the freezer,after turning to ice will the weight change?1 solutions Answer 370443 by Alan3354(30993)   on 2012-02-25 18:55:35 (Show Source): You can put this solution on YOUR website!If you put a 5 gallon of water in the freezer,after turning to ice will the weight change? -------------- No, not if it's contained. The volume will increase and be more than 5 gallons, and the density will decrease.
 Trigonometry-basics/577889: What's the ExactValue for tan 7π/12 ? Without using a calculator1 solutions Answer 370404 by Alan3354(30993)   on 2012-02-25 15:02:14 (Show Source): You can put this solution on YOUR website!What's the ExactValue for tan 7π/12 ? ----------- Hint: 7pi/12 = pi/12
 Trigonometry-basics/577879: What's the ExactValue for sin 13π/12 without using a calculator ? 1 solutions Answer 370388 by Alan3354(30993)   on 2012-02-25 14:16:18 (Show Source): You can put this solution on YOUR website!duplicate
 Linear-systems/577905: b/120+b*2=1/31 solutions Answer 370387 by Alan3354(30993)   on 2012-02-25 14:15:51 (Show Source): You can put this solution on YOUR website!b/120+b*2=1/3 b + 240b = 40 241b = 40 b = 40/241
 Money_Word_Problems/577906: Convert the following credit card rate to the APR. Nebraska, 0.03288% daily rate. (Round your answer to the nearest whole number.) 1 solutions Answer 370379 by Alan3354(30993)   on 2012-02-25 13:48:31 (Show Source): You can put this solution on YOUR website!0.03288*365 = 12%
 Linear-equations/577891: Find the slope of a line parallel to the line that passes through the following points, (4,0) and (3,8,2) 1 solutions Answer 370378 by Alan3354(30993)   on 2012-02-25 13:46:52 (Show Source): You can put this solution on YOUR website!(4,0) and (3,8,2) ----------- One point is x,y the other is x,y,z
 Trigonometry-basics/577832: What's the exact value of sin 13π/12 without using a calculator ? Can you please show all your work Thanks 1 solutions Answer 370341 by Alan3354(30993)   on 2012-02-25 10:40:54 (Show Source): You can put this solution on YOUR website!13pi/12 = pi + pi/12 --> 3rd Quad sin(13pi/12) = -sin(pi/12) In degs, = -sin(15) -------------- Use the half-angle formula = -sin(30/2) -sin(15) = -sin(30/2) = = =
 Equations/576461: solve 4 - |x-6| =201 solutions Answer 370340 by Alan3354(30993)   on 2012-02-25 10:29:01 (Show Source): You can put this solution on YOUR website!4 - |x-6| =20 - |x-6| = 16 |x-6| = -16 No solutions. Abs value cannot be negative.
 Exponential-and-logarithmic-functions/577833: (x+7)^(2/3)=9 I got 20 as one solution for x and I know it's correct, but I'm supposed to find a second one as well. please help ^(2/3) means *to the power of 2/3* in case that was confusing1 solutions Answer 370339 by Alan3354(30993)   on 2012-02-25 10:27:09 (Show Source): You can put this solution on YOUR website! x = 20 ----------- x+7 = -27 x = -34
 Trigonometry-basics/577830: What's the exact value of tan π/12 without using a calculator ? Can you please show all your work Thanks 1 solutions Answer 370336 by Alan3354(30993)   on 2012-02-25 10:07:56 (Show Source): You can put this solution on YOUR website!Look up half-angle formulas on Wikipedia. tan(pi/12) = tan(30/2) in degs
 Numbers_Word_Problems/577826: What is the lesser of the two given numbers -9 and -14?1 solutions Answer 370334 by Alan3354(30993)   on 2012-02-25 09:56:36 (Show Source): You can put this solution on YOUR website!-14
 Numbers_Word_Problems/577778: The product of a number and less than the number is 96.Find the numbers 1 solutions Answer 370333 by Alan3354(30993)   on 2012-02-25 09:56:02 (Show Source): You can put this solution on YOUR website!The product of a number and less than the number is 96.Find the numbers ---------- There are many possibilities.
 Trigonometry-basics/577825: What's the ExactValue for cos 7π/3 ? Without using a calculator1 solutions Answer 370332 by Alan3354(30993)   on 2012-02-25 09:52:02 (Show Source): You can put this solution on YOUR website!What's the ExactValue for cos 7π/3 ? Without using a calculator ------ = cos(pi/3) = 1/2