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# Recent problems solved by 'Alan3354'

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 Polynomials-and-rational-expressions/446271: If 2 is one zero of he polynomial a^3-3a^2-10a+24, find the other zeroes.1 solutions Answer 307341 by Alan3354(30993)   on 2011-05-07 16:41:29 (Show Source): You can put this solution on YOUR website!Divide by (a-2). Then it's a quadratic. My dog can do quadratics.
 Percentage-and-ratio-word-problems/446321: if you have a 1 in 18 chance of drawing a blue chip and then only if you draw a blue chip you have a 1 in 15 chance of winning1 solutions Answer 307339 by Alan3354(30993)   on 2011-05-07 16:39:02 (Show Source): You can put this solution on YOUR website!The chances are slim. Did you have a question?
 Surface-area/446317: how do you find the area of an ellipse if the middle square part has the dimensions 10 by 11? thanks :)1 solutions Answer 307335 by Alan3354(30993)   on 2011-05-07 16:14:14 (Show Source): You can put this solution on YOUR website!What middle square part?
 Geometry_Word_Problems/446263: A wire of length y meters is bent to form a square of perimeter y meters. If Area of square is twice its perimeter, then find the length of wire1 solutions Answer 307320 by Alan3354(30993)   on 2011-05-07 14:05:08 (Show Source): You can put this solution on YOUR website!The sides will be y/4 Area = (y/4)^2 = y^2/16 y^2/16 = y (numerically equal) y^2 = 16y --> y = 0 y = 16
 Average/446246: use the pythogorean theorem and the square root property to solve the following problem. Express your answer in simplified radical form. Then find a decimal approximation to the nearest tenth. Question: A rectangular park is 24 miles long and 8 miles wide. How long is a pedestrian route that runs diagonally across the park?1 solutions Answer 307297 by Alan3354(30993)   on 2011-05-07 10:44:20 (Show Source):
 Triangles/446240: A triangle has side lengths of 18 & 13. Which of the following could not be a measure of the third side?1 solutions Answer 307296 by Alan3354(30993)   on 2011-05-07 10:37:12 (Show Source): You can put this solution on YOUR website!Nothing followed. The 3rd side has to be greater than 5 (18 - 13) and less than 31 (18 + 13). 5 < s < 31 Not greater than or equal to, greater than.
 Quadratic_Equations/446210: 2 2x +5x_3=0 (i m yr new student & my name is fareeha & i study in class 8 plz provide me the solution of my question )thank you ...... 1 solutions Answer 307272 by Alan3354(30993)   on 2011-05-07 08:50:33 (Show Source): You can put this solution on YOUR website!I don't know what the underscore means.
 Polynomials-and-rational-expressions/446207: Help please, I don't understand how to solve this, thank you I appreciate it. Multiply (2+ √5) (2-√5) 1 solutions Answer 307271 by Alan3354(30993)   on 2011-05-07 08:49:56 (Show Source): You can put this solution on YOUR website! = 4 - 5 = -1 ---------- It's not solved, it's not an equation. It's multiplied, or simplified.
 Travel_Word_Problems/446147: Two contractors were working together to finish concrete. One can finish 25 square yards in 4 hours. The other can finish 25 square yards in 5 hours. How much concrete can they finish in 8 hours working together?1 solutions Answer 307270 by Alan3354(30993)   on 2011-05-07 08:47:53 (Show Source): You can put this solution on YOUR website!The 1st does 25/4 per hour. The 2nd does 25/5 per hour. Together, they do 25/4 + 5 per hour --> 45/4 per hour * 8 hours = 90 sq yds
 Volume/446203: convert the measurement, and round to the nearest hundreth 35cm to in.1 solutions Answer 307268 by Alan3354(30993)   on 2011-05-07 08:44:08 (Show Source): You can put this solution on YOUR website!1 inch = 2.54 cm 35 cm = 35 cm*(1/2.54) in/cm = 35/2.54 inch =~ 13.78 inch
 Coordinate-system/446021: plzzz give me some algebra questions 1 solutions Answer 307146 by Alan3354(30993)   on 2011-05-06 15:16:48 (Show Source): You can put this solution on YOUR website!Look at the solved problems.
 Human-and-algebraic-language/446005: What is the sum of a number and its square is 110?1 solutions Answer 307117 by Alan3354(30993)   on 2011-05-06 13:23:53 (Show Source): You can put this solution on YOUR website!I'm not sure that's English. Maybe you mean: What number added to its square gives a sum of 110? --------------- It's 10.
 Quadratic-relations-and-conic-sections/445992: how do you get the intercepts for an ellipse when given a & b??1 solutions Answer 307109 by Alan3354(30993)   on 2011-05-06 12:18:19 (Show Source): You can put this solution on YOUR website!At the x-ints, y = 0 and vice versa.
 Linear-equations/445989: What does the linear equation graph look like for y=-6x?1 solutions Answer 307102 by Alan3354(30993)   on 2011-05-06 11:44:40 (Show Source): You can put this solution on YOUR website!dl the FREE graph software from http://www.padowan.dk You'll be glad you did.
 Surface-area/445937: the area of a square is 176 square inches. which is the closest approximation to the length of a side?1 solutions Answer 307071 by Alan3354(30993)   on 2011-05-06 09:04:02 (Show Source): You can put this solution on YOUR website! s =~ 13.266... inches I don't know what the "closest approximation" means.
 Miscellaneous_Word_Problems/445896: Find the distance between the opposite corners of a rectangular room which is 12m by 9m. Use a scale of 1cm to 1m1 solutions Answer 307058 by Alan3354(30993)   on 2011-05-06 06:58:18 (Show Source): You can put this solution on YOUR website! d = 15 meters No scale is needed.
 logarithm/445904: log sub b (mp/nt)= How is this written out using no powers, 1 solutions Answer 307057 by Alan3354(30993)   on 2011-05-06 06:56:54 (Show Source): You can put this solution on YOUR website! Not sure what your question is, tho.
 Trigonometry-basics/445885: State the amplitude and period for the function y = -7cos zeta/31 solutions Answer 307056 by Alan3354(30993)   on 2011-05-06 06:53:24 (Show Source): You can put this solution on YOUR website!Amp = 7 period = 6pi
 Travel_Word_Problems/445757: A motorboat takes 3 hrs to travel 144 km going upstream the return trip takes 2 hrs going downstream what is the rate of the boat in still water and what is the rate of the current.1 solutions Answer 306994 by Alan3354(30993)   on 2011-05-05 21:08:24 (Show Source): You can put this solution on YOUR website!144/3 = 48 km/hr 144/2 = 72 km/hr The boat's speed is the average (48+72)/2 = 60 km/hr The current is the difference 72 - 60 = 12 km/hr
 Surface-area/445741: a cylinder has a lateral area of 120(pie) square meters, and a height of 7 meters. find the radius. round to the nearest tenth. i tried to lable the cylinder with the height and i know where the radius is suppose to go but i am not sure how to get the amswer to this quiestion. i would greatly appreciate the help thank you for your time.1 solutions Answer 306991 by Alan3354(30993)   on 2011-05-05 20:58:11 (Show Source): You can put this solution on YOUR website! 120pi = 2*pi*r*7 = 14*pi*r r = 120/14 meters ---------- Use the Greek letter pi, not the dessert, pie.
 Numbers_Word_Problems/445631: Find 3 consecutive odd integers whose sum is 43 (Hint: if n represents the smallest of the three integers, n+2 and n+4, represent the other two numbers)1 solutions Answer 306958 by Alan3354(30993)   on 2011-05-05 18:22:01 (Show Source): You can put this solution on YOUR website!The sum of 3 consecutive integers, in order, odd, or even, is divisible by 3. 43 is not, so there's no solution ----------- If we pretend we don't know that: n + n+2 + n+4 = 43 3n+6 = 43 3n = 37 n = 37/3, not an integer ---------- Examples: 9+11+13 = 33 23+25+27 = 75 ---------- 20+22+24 = 66 7+8+9 = 24 All the sums are divisible by 3
 Linear_Equations_And_Systems_Word_Problems/445585: how many pounds are in 1.5 tons?1 solutions Answer 306935 by Alan3354(30993)   on 2011-05-05 16:03:29 (Show Source): You can put this solution on YOUR website!1 ton = 2000 pounds 1.5 ton*2000 pounds/ton = 3000 pounds
 Exponential-and-logarithmic-functions/445604: log 10 10 6 21 solutions Answer 306934 by Alan3354(30993)   on 2011-05-05 15:59:49 (Show Source): You can put this solution on YOUR website!I don't know what that means.
 Travel_Word_Problems/445599: how much gas will it take to go 479 miles1 solutions Answer 306932 by Alan3354(30993)   on 2011-05-05 15:58:24 (Show Source): You can put this solution on YOUR website!It depends on consumption. If you walk or skate, it will take zero. If you drive a Hummer, it'll take a lot.
 Systems-of-equations/445568: how do you answer this question i need help figuring it out. y=3x-7 6x-2y=12 i need help in figuring out what steps to do please can you help?1 solutions Answer 306924 by Alan3354(30993)   on 2011-05-05 15:07:43 (Show Source): You can put this solution on YOUR website!y=3x-7 6x-2y=12 -------- Step 1, arrange the 2 eqns in the same order y=3x-7 3x-y = 7 -------- 6x-2y=12 --> 3x-y = 6 Now it's 3x-y = 7 3x-y = 6 ---------- If you subtract, you get 0 = 1 That indicates inconsistency, --> no solution. If you graph them, the lines are parallel. No intersection, no solution.
 Travel_Word_Problems/445533: A boat heads directly across a river at 8 mi/h. The river flows downstream at 10 mi/h. Find the resulting speed and direction of the boat. 1 solutions Answer 306922 by Alan3354(30993)   on 2011-05-05 14:51:36 (Show Source): You can put this solution on YOUR website!A boat heads directly across a river at 8 mi/h. The river flows downstream at 10 mi/h. Find the resulting speed and direction of the boat. ---------- The direction of the boat wrt its heading is arctan(10/8) =~ 51 degs That is, if the boat heads directly across, its path makes an angle of 51 degs with the line perpendicular to the shore.
 Probability-and-statistics/445561: In a scale drawing of a house, the living room is 1 in. long. The actual length is 24 ft. On the drawing, a hallway is 1/4 in. wide. Find the actual width. 1 solutions Answer 306917 by Alan3354(30993)   on 2011-05-05 14:41:46 (Show Source): You can put this solution on YOUR website!It's 1/4 of 24 feet = 6 feet. A wide hallway.
 Probability-and-statistics/445450: what are the odds of losing 8 times out of 8 attempts1 solutions Answer 306830 by Alan3354(30993)   on 2011-05-05 10:00:36 (Show Source): You can put this solution on YOUR website!It varies with the game or objective, and depends on the definition of "losing."
 Triangles/445452: In triangle ABC, A=40 degrees, B=60 degrees, and a=5. Find b. How do I figure this out?1 solutions Answer 306828 by Alan3354(30993)   on 2011-05-05 09:55:37 (Show Source): You can put this solution on YOUR website!Use the Law of Sines.
 Rational-functions/445020: X^3+5x^2-9x-451 solutions Answer 306678 by Alan3354(30993)   on 2011-05-04 16:08:44 (Show Source): You can put this solution on YOUR website!Do you have a question?