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 Age_Word_Problems/633766: how to calculate 1/7th of 5 years 1 solutions Answer 399119 by Alan3354(30993)   on 2012-08-01 11:23:57 (Show Source): You can put this solution on YOUR website!how to calculate 1/7th of 5 years ------- (1/7)*5 = 5/7 years
 Volume/633763: find the volume of a sphere 16ft in diameter use 3.14 as pie and round your answer to the nearest tenth 1 solutions Answer 399110 by Alan3354(30993)   on 2012-08-01 11:08:20 (Show Source): You can put this solution on YOUR website!find the volume of a sphere 16ft in diameter use 3.14 as pie and round your answer to the nearest tenth --------- r = 8 ft
 Signed-numbers/633623: I haven't been in school for over 30 years. I am studying the compass test but find that I am having some difficulty remembering algebra. for example : which of the following is a factor of x^2 -5x -6. I'm not clear on the x. What do you do to find what x is? Thanks. If i can get an understanding of that it might help me.1 solutions Answer 399026 by Alan3354(30993)   on 2012-07-31 22:01:49 (Show Source): You can put this solution on YOUR website!which of the following is a factor of x^2 -5x -6. I'm not clear on the x. What do you do to find what x is? ---------- x^2 -5x -6 Look for two factors of 6. It's either 1*6 or 2*3, those two possibilities. The signs are different, since it's -6. And, the difference is 5, since it's 5x. --- Only 1 & 6 differ by 5. --> (x + 1)*(x - 6) ===================== That's all there is to do. You can't solve for x, it's not an equation.
 Equations/633600: 25x=x^21 solutions Answer 399008 by Alan3354(30993)   on 2012-07-31 21:16:36 (Show Source): You can put this solution on YOUR website!25x=x^2 x^2 - 25x = 0 x*(x - 25) = 0 x = 0 x = 25
 Probability-and-statistics/633530: suppose 1 solutions Answer 399007 by Alan3354(30993)   on 2012-07-31 21:15:09 (Show Source): You can put this solution on YOUR website!suppose ---------
 Equations/633564: Hello, I need help solving this equation. 5 + 6x^2 - 2x^2 - 6y + 3y=1 solutions Answer 398991 by Alan3354(30993)   on 2012-07-31 18:57:41 (Show Source): You can put this solution on YOUR website!Hello, I need help solving this equation. 5 + 6x^2 - 2x^2 - 6y + 3y= ---------- There's nothing on the right side, so it's not an equation. Nothing to solve.
 Circles/633566: If p-5 is equal to the radius of a circle. What is the area of the circle. 1 solutions Answer 398989 by Alan3354(30993)   on 2012-07-31 18:51:03 (Show Source): You can put this solution on YOUR website!If p-5 is equal to the radius of a circle. What is the area of the circle. -------
 Exponents/633532: (4xy)^-7/8 rewrite the expression with positive exponents1 solutions Answer 398976 by Alan3354(30993)   on 2012-07-31 17:02:59 (Show Source): You can put this solution on YOUR website!(4xy)^-7/8 rewrite the expression with positive exponents --------- = ----------- = =
 Triangles/633502: Tom drops a rock off the edge of a 324 foot cliff. The height of the rock after t seconds is given by h = -16t2 + 324. How long until the rock hits the ground below? Round your answer to the nearest tenth of a second. 1 solutions Answer 398975 by Alan3354(30993)   on 2012-07-31 16:58:06 (Show Source): You can put this solution on YOUR website!Tom drops a rock off the edge of a 324 foot cliff. The height of the rock after t seconds is given by h = -16t2 + 324. How long until the rock hits the ground below? Round your answer to the nearest tenth of a second. -------------- At impact, h = 0 Solve for t, ignore the negative solution.
 Numbers_Word_Problems/633427: What is the smallest no that is when divided by 3,4 and 5 it has a remainder of 2?1 solutions Answer 398909 by Alan3354(30993)   on 2012-07-31 11:16:11 (Show Source): You can put this solution on YOUR website!What is the smallest no that is when divided by 3,4 and 5 it has a remainder of 2? ========= 3*4*5 + 2 = 62
 Age_Word_Problems/633428: i am a 4 digit number if i will get reversed i will become a 3 digit number.what is the answer?1 solutions Answer 398901 by Alan3354(30993)   on 2012-07-31 10:34:22 (Show Source): You can put this solution on YOUR website!i am a 4 digit number if i will get reversed i will become a 3 digit number.what is the answer? ------------ Any 4 digit number with a units digit = 0 and the 10s digit not = 0.
 Travel_Word_Problems/633439: If I drove for 1.5 hours at an average speed of 62 mph and then drove another half hour at an average speed of 24mph. How far did I drive?1 solutions Answer 398899 by Alan3354(30993)   on 2012-07-31 10:32:31 (Show Source): You can put this solution on YOUR website!If I drove for 1.5 hours at an average speed of 62 mph and then drove another half hour at an average speed of 24mph. How far did I drive? ================ d = r*t d = 1.5*62 + 0.5*24 miles
 logarithm/633392: Hi, pleas help me solve this problem: Use logarithms to solve the equation symbolically ln x + ln x^2 = 5 1 solutions Answer 398889 by Alan3354(30993)   on 2012-07-31 09:56:16 (Show Source): You can put this solution on YOUR website!Use logarithms to solve the equation symbolically ln x + ln x^2 = 5 ------------- Adding logs --> multiplication ln(x^3) = 5
 Travel_Word_Problems/633423: Ratio of angular speed of moon around the earth to the speed of moon around its own axis is ? a. 1:2 b. 2:1 c. 5:1 d. 1:11 solutions Answer 398876 by Alan3354(30993)   on 2012-07-31 09:08:20 (Show Source): You can put this solution on YOUR website!Ratio of angular speed of moon around the earth to the speed of moon around its own axis is ? a. 1:2 b. 2:1 c. 5:1 d. 1:1 ============= d We always see the same side of the moon.
 Expressions-with-variables/633357: P= gw/g+w solve for w1 solutions Answer 398836 by Alan3354(30993)   on 2012-07-30 22:33:33 (Show Source): You can put this solution on YOUR website!P= gw/g+w solve for w -------- P*(g+w) = gw Pg + Pw = gw Pw - gw = -Pg w*(g - P) = Pg w = Pg/(g - P)
 Linear_Equations_And_Systems_Word_Problems/633279: solve 16x^4+47x^2=31 solutions Answer 398835 by Alan3354(30993)   on 2012-07-30 22:31:19 (Show Source): You can put this solution on YOUR website!solve 16x^4+47x^2=3 ---------------- Can you finish it?
 Quadratic_Equations/633337: Please shed some light on finding the solution. If Emily hits a golf ball from the upper deck of a driving range (twelve feet above the ground) with an initial velocitynof 117 feet per second, after how many seconds should the ball land (assume her ball does not encounter any obstacles)? Round to the nearest tenth.1 solutions Answer 398834 by Alan3354(30993)   on 2012-07-30 22:26:08 (Show Source): You can put this solution on YOUR website!If Emily hits a golf ball from the upper deck of a driving range (twelve feet above the ground) with an initial velocitynof 117 feet per second, after how many seconds should the ball land (assume her ball does not encounter any obstacles)? Round to the nearest tenth. ------------ If it's path is horizontal, it's the time it takes it to fall 12 feet. h(t) = -16t^2 + 12 = 0 t^2 = 3/4 t = sqrt(3)/2 seconds t =~ 0.866 seconds ---------------- If it's some other angle, the angle has to be given.
 Triangles/633330: "Find the area of a triangle with side lengths 18 and 20 and included angle 6 degree."1 solutions Answer 398813 by Alan3354(30993)   on 2012-07-30 20:27:47 (Show Source): You can put this solution on YOUR website!"Find the area of a triangle with side lengths 18 and 20 and included angle 6 degree." --------- Area = bh/2 h = 18*sin(6) (or 20*sin(6))
 Graphs/633329: Can you please help me out on question 442728? I really appreciate your help, email on galuvaa72@yahoo.com. Thank you 1 solutions Answer 398812 by Alan3354(30993)   on 2012-07-30 20:21:39 (Show Source): You can put this solution on YOUR website!Can you please help me out on question 442728? I really appreciate your help, email on galuvaa72@yahoo.com. Thank you -------- That question is not accessible.
 �t�e�s�t/633293: Solve the following two equations: 8y = 7x -2x = 6y Select one: (-2,6) (7,-2) (8,7) (0,0)1 solutions Answer 398791 by Alan3354(30993)   on 2012-07-30 18:39:07 (Show Source): You can put this solution on YOUR website!8y = 7x --> x = 8y/7 -2x = 6y --> x = -3y --------- x = y = 0
 test/633296: Hello1 solutions Answer 398786 by Alan3354(30993)   on 2012-07-30 18:26:33 (Show Source): You can put this solution on YOUR website!Hi
 logarithm/633304: 3^x^2*3^4=3^-5x1 solutions Answer 398785 by Alan3354(30993)   on 2012-07-30 18:25:46 (Show Source): You can put this solution on YOUR website!3^x^2*3^4=3^-5x ----------- x^2 + 4 = -5x etc
 Numbers_Word_Problems/633282: The smallest of 5 consecutive even whole numbers is 32.What is the average of the 5 numbers?1 solutions Answer 398781 by Alan3354(30993)   on 2012-07-30 17:35:47 (Show Source): You can put this solution on YOUR website!The smallest of 5 consecutive even whole numbers is 32.What is the average of the 5 numbers? ------------- 36 It's not hard to figure out.
 Sequences-and-series/633283: I need help figuring out how to solve this. It is an infinite series, 1+3+9+27+81+243+...= -1/2 I need to prove that this infinite series equals -1/2.1 solutions Answer 398780 by Alan3354(30993)   on 2012-07-30 17:34:45 (Show Source): You can put this solution on YOUR website!I need help figuring out how to solve this. It is an infinite series, 1+3+9+27+81+243+...= -1/2 I need to prove that this infinite series equals -1/2. ----------- It obviously does not = -1/2. Why would it be negative? The 1st term is > -1/2
 expressions/633121: x-2y=-41 solutions Answer 398678 by Alan3354(30993)   on 2012-07-30 10:50:03 (Show Source): You can put this solution on YOUR website!x-2y=-4 ---------- Do you have a question?
 Travel_Word_Problems/633131: If a bus traveled 68 miles in 3 hours, how many feet would the bus have traveled per hour?1 solutions Answer 398677 by Alan3354(30993)   on 2012-07-30 10:48:59 (Show Source): You can put this solution on YOUR website!duplicate
 Travel_Word_Problems/633137: If a bus traveled 68 miles in 3 hours, how many feet would the bus have traveled per hour?1 solutions Answer 398676 by Alan3354(30993)   on 2012-07-30 10:48:12 (Show Source): You can put this solution on YOUR website!If a bus traveled 68 miles in 3 hours, how many feet would the bus have traveled per hour? ---------- 68 miles *(5280 ft/mile)/(3 hr) just calculator work
 Travel_Word_Problems/633125: On a trip to the beach, you traveled 200 miles in 300 minutes. How fast did you travel?1 solutions Answer 398673 by Alan3354(30993)   on 2012-07-30 10:22:15 (Show Source): You can put this solution on YOUR website!On a trip to the beach, you traveled 200 miles in 300 minutes. How fast did you travel? ------------- 200 mi/300 mins = 2/3 mi/minute
 Travel_Word_Problems/633110: if car a and car b left at the same time with car a at the speed of 160kph and car b at 186kph, how long will i wait for?1 solutions Answer 398669 by Alan3354(30993)   on 2012-07-30 09:16:39 (Show Source): You can put this solution on YOUR website!if car a and car b left at the same time with car a at the speed of 160kph and car b at 186kph, how long will i wait for? ----------------- What are you waiting for?
 Probability-and-statistics/633115: If two cards are drawn from a pack, what is the probaility that: They are of the same suit1 solutions Answer 398668 by Alan3354(30993)   on 2012-07-30 09:15:27 (Show Source): You can put this solution on YOUR website!If two cards are drawn from a pack, what is the probaility that: They are of the same suit ----------------- After the 1st card is drawn, there are 12 of that suit out of 51 cards 12/51 = 4/17