# Tutorials Posted by ping41

## ping41 from ...

 Rating (95):A+ Questions Asked: 0 Tutorials Posted: 352,Blog Posts: 2, Earned: \$1,450.49

## ping41's Posted Tutorials

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...a nursing major.          (Round to the nearest thousandth as needed.) (600 1726 1017)/3434 = 0.974   (c )...
Jan 26, 2013 at 9:29:08PM
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Oct 09, 2011 at 3:59:03PM
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...he amount of corn meal being taken be 350 - x pounds.  We want the mixture to have...
Oct. 07, 2011 at 10:53:28AM
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Oct. 07, 2011 at 10:26:03AM
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Oct. 07, 2011 at 02:04:36AM
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Oct 06, 2011 at 10:18:00PM
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Oct. 06, 2011 at 10:41:17AM
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... y = (0.50)(3)x + 5 That is y = 1.5x + 5  If you have \$20, ...
Oct. 06, 2011 at 01:44:42AM
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Oct. 06, 2011 at 01:41:58AM
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... -9. Hence,Â f(x) = x^2 for x â‰¤ 3 and 6x - 9 for x > 3 Does f ' ' (3) exist...
Oct 05, 2011 at 11:44:25PM
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Oct 04, 2011 at 1:10:05PM
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...ne lines from the 2nd person to all the rest except the first. Then you...
Oct. 04, 2011 at 01:12:02AM
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...hen you need to connect 81 phone lines from the 3nd person to all the r...
Oct. 04, 2011 at 01:09:57AM
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Oct. 03, 2011 at 11:19:06AM
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Oct. 03, 2011 at 11:12:05AM
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Oct. 03, 2011 at 11:06:10AM
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Oct. 03, 2011 at 11:04:05AM
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Oct. 03, 2011 at 11:02:36AM
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Oct. 03, 2011 at 10:59:15AM
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Oct. 03, 2011 at 10:47:52AM
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Oct. 03, 2011 at 10:45:00AM
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Oct. 03, 2011 at 10:42:29AM
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Oct 02, 2011 at 11:54:45PM
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Oct 02, 2011 at 9:27:19PM
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Oct 02, 2011 at 9:26:15PM
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Oct 02, 2011 at 9:20:30PM
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Oct 02, 2011 at 9:18:20PM
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...= 5x - 4y + 9 and k = 9 If you still d...
Oct 02, 2011 at 9:07:54PM
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Oct 02, 2011 at 2:02:30PM
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Oct 02, 2011 at 12:01:40PM
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Oct 01, 2011 at 3:23:36PM
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Oct 01, 2011 at 12:52:26PM
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Oct 01, 2011 at 12:29:10PM
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Oct. 01, 2011 at 12:51:38AM
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Oct. 01, 2011 at 12:36:57AM
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Sep 30, 2011 at 11:53:10PM
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Sep 30, 2011 at 10:32:09PM
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Sep 30, 2011 at 2:42:13PM
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...number of dimes is 368-x. Total value = \$28...
Sep. 30, 2011 at 10:38:49AM
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... c >0. WLOG let a>0. So a^2>0...
Sep. 30, 2011 at 10:31:45AM
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Sep. 30, 2011 at 02:30:15AM
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Sep. 30, 2011 at 01:12:04AM
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Sep. 30, 2011 at 01:03:48AM
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Sep. 30, 2011 at 12:57:32AM
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Sep. 30, 2011 at 12:52:58AM
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Sep. 30, 2011 at 12:46:33AM
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...) = 50/(30+20+90) = 50/140 = 5/14 P(B) = n(...
Sep. 30, 2011 at 12:37:27AM
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Sep. 30, 2011 at 12:28:41AM
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Sep 29, 2011 at 11:57:15PM
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Sep 29, 2011 at 11:49:41PM
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Sep 29, 2011 at 11:46:43PM
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Sep 29, 2011 at 6:46:20PM
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Sep 29, 2011 at 3:42:16PM
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Sep 29, 2011 at 3:26:02PM
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...(X=k) = C(n,k) p^k (1-p)^(n-k) = C(10,k) 0.53^k 0.47^(10-k) where  C(n,k) represents the number "n...
Sep 29, 2011 at 2:58:24PM
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Sep 29, 2011 at 1:56:05PM
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...initial radius 0 cm. Then r(t) = 10t V(r) = (4/3) ...
Sep 29, 2011 at 12:27:02PM
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Sep 29, 2011 at 12:24:04PM
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Sep 28, 2011 at 5:05:37PM
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...er swimming speed. Since Lisa ran twice as fast as she swam, her running speed is 2x. Since she cycled three times a...
Sep 28, 2011 at 1:48:15PM
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Sep 27, 2011 at 1:22:31PM
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...he new mean is 11 so (60 + x)/7 = 11...
Sep. 26, 2011 at 02:59:20AM
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Sep. 26, 2011 at 01:26:42AM
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Sep. 24, 2011 at 03:20:00AM
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Sep. 24, 2011 at 02:59:05AM
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Sep 23, 2011 at 12:18:03PM
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Sep. 23, 2011 at 02:53:35AM
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Sep. 23, 2011 at 12:05:47AM
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Sep 22, 2011 at 4:02:14PM
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...d:  (35y - 45x - 65) - (35y - 56x - 98) = 0 35y - 45x - 65 - 35y + 56x + 98 = 0 11x + 33 = 0 x = -33/11 = -3 Plug into the first equation, 7y - 9(-3) -13 = 0 7y + 27 - 13 = 0 7y + 14 = 0 y = -14/7 = -......
Sep 22, 2011 at 2:59:51PM
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...s is 3 more than the number of nickels" means the number of dimes is 2x...
Sep 21, 2011 at 2:50:39PM
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...Total number of peopele = 2000 so x + x/...
Sep. 21, 2011 at 11:48:37AM
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Sep. 21, 2011 at 11:42:24AM
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Sep. 21, 2011 at 11:36:57AM
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Sep. 21, 2011 at 11:34:40AM
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Sep. 21, 2011 at 11:31:00AM
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Sep. 21, 2011 at 03:28:00AM
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Sep. 21, 2011 at 03:26:10AM
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Sep. 21, 2011 at 03:24:53AM
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Sep 20, 2011 at 6:52:48PM
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Sep 20, 2011 at 6:30:26PM
\$1.50 Mathematics more statistics Full solution
...tribution X with n=8 and p=35%=0.35. We are asked to find: (a)P(X=5), (b)P(X>5), (c)P(X We know by defi...
Sep 20, 2011 at 12:02:25PM
\$1.50 Mathematics statistics Full solution
...) = C(n,k) p^k (1-p)^(n-k) = C(10,k) 0.65^k 0.35^(10-k) where  C(n,k) represents the number "n ch...
Sep. 20, 2011 at 11:53:50AM
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...ht 7x. total of 30 markers: so x+(x+3)+7x = 30 So 9x+3 = 30 9x =...
Sep. 20, 2011 at 06:25:07AM
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Sep. 20, 2011 at 12:03:39AM
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Sep. 19, 2011 at 06:33:46AM
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Sep. 19, 2011 at 03:10:23AM
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Sep. 19, 2011 at 02:41:14AM
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Sep. 19, 2011 at 02:01:28AM
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Sep. 19, 2011 at 01:16:15AM
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Sep 18, 2011 at 5:08:39PM
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Sep 18, 2011 at 5:01:18PM
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Sep 18, 2011 at 4:47:50PM
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...- 20x = 950 -5x + 1000 = 950 50 = 5x x = 1...
Sep 18, 2011 at 3:47:12PM
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Sep 18, 2011 at 3:25:46PM
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Sep 18, 2011 at 2:51:12PM
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Sep 18, 2011 at 2:42:30PM
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Sep 18, 2011 at 2:30:54PM
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Sep 18, 2011 at 2:27:52PM
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Sep 18, 2011 at 2:23:45PM
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Sep 18, 2011 at 1:56:43PM
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Sep 18, 2011 at 1:54:12PM
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Sep 18, 2011 at 1:38:30PM
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...ˆš3 â€“ 6âˆš5)(2âˆš3+6âˆš5) = 2[( 2âˆš3)^2 â€“ (6âˆš5)^2 ]= 2[12 Â â€“ 180 ]= ...
Sep 18, 2011 at 12:20:21PM
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Sep. 18, 2011 at 10:10:36AM
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Sep. 18, 2011 at 05:35:10AM
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Sep 17, 2011 at 11:34:42PM
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Sep 17, 2011 at 10:08:23PM
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Sep 17, 2011 at 9:53:47PM
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Sep 17, 2011 at 5:23:51PM
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Sep 17, 2011 at 4:52:22PM
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Sep 17, 2011 at 4:24:55PM
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Sep 17, 2011 at 4:20:38PM
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Sep 17, 2011 at 3:39:33PM
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Sep 17, 2011 at 3:38:17PM
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Sep 17, 2011 at 2:38:02PM
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Sep 17, 2011 at 1:08:18PM
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...ve you solu...
Sep. 17, 2011 at 04:26:57AM
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...ual.  9/16 + 1/2 = 9/16 + (1*8)/(2*8) ...
Sep 16, 2011 at 3:40:39PM
\$6.00 Mathematics algebra 2011 Full solution
... to find t. Have 19 = 2t^2 - 3t So 2t^2 - 3t -1...
Sep 16, 2011 at 1:05:35PM
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Sep. 16, 2011 at 10:59:54AM
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Sep. 16, 2011 at 12:24:28AM
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...6 = 0.2 and the distance to 7 is ...
Sep 14, 2011 at 8:06:28PM
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...asked to find P(X|Y'). First, P(X intersects Y) = P(Y|X)P(X) so P(X intersects Y) = (0.7)(0.6) = 0.42 Now, P(X' intersects Y) = P(Y|X')P(X') so P(X' intersects Y) = P(Y|X')(1 - P(X)) = 0.25(1-0...
Sep 14, 2011 at 8:02:11PM
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...en, we want revenue = cost. So 9...
Sep 14, 2011 at 7:30:44PM
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... 2a + 5a -4 +9 = 7a + 5 1/3(b +12)...
Sep 14, 2011 at 6:30:13PM
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...ters. Since the coins are worth a total of 5.15, we have (number of...
Sep 14, 2011 at 6:22:10PM
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Sep 14, 2011 at 5:13:14PM
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...e drivers on this highway drive while their BAC is greater than .09" means P(Y) = 0.12 We are asked to find the probability of a crash with at least one fatality if a driver drives while legall...
Sep 14, 2011 at 2:28:46PM
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Sep 14, 2011 at 1:06:31PM
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Sep. 14, 2011 at 10:50:58AM
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...s cube root 5 times younger than his grandfather. father's age ...
Sep. 14, 2011 at 10:23:01AM
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Sep. 14, 2011 at 09:28:29AM
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...= 30% + 60% + money left. 100% = 90% + money left. 100% - 90% = money l...
Sep. 14, 2011 at 08:34:45AM
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...cheeseburgers 6 like tacos and hotdogs we can fill in 8-x, 7-x, 6-x. Now, to fill in the number of people who like only hotdogs, add up x+(6-x) +(8-x)=14-x. Then subt...
Sep 13, 2011 at 6:27:31PM
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... chips, 11 batches of coo...
Sep 13, 2011 at 5:56:45PM
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Sep. 13, 2011 at 09:16:17AM
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Sep. 13, 2011 at 09:13:44AM
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Sep. 13, 2011 at 09:11:41AM
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... a profit of \$5445. Want profit P = 1100, that is 11x - 55 = 1100. So 11x = 1100 + 55 =  1155. Divide by 11: x = 105. 105 pizza's have to be made to give a...
Sep. 13, 2011 at 06:04:06AM
\$10.00 Mathematics Break-Even Analysis: A Look at Profit an Full solution
...enue R = 15 x cost C = 4 x + 55 profit P = R-C = 15 x - 4 x - 55 = 11x - 55 To break even, need profit = 0. So 0 = 11x - 55 11 x = 55 so x = 5. Five pizza...
Sep. 13, 2011 at 06:02:01AM
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Sep. 13, 2011 at 01:33:20AM
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...15 p - 4 p - 55 11 p = 55 so p = 5. Five pizza's need to be...
Sep. 13, 2011 at 12:56:43AM
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Sep 12, 2011 at 2:21:27PM
\$0.25 Mathematics In how many ways can 21 identical... Solution
...er of ways to place the second English book is 21.  (because there are 21 gaps that haven't been used.) N...
Sep 12, 2011 at 12:15:49PM
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...-2. So x = 2/5 or -2/5 = 0.4 or -...
Sep. 12, 2011 at 06:11:29AM
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...s the age of his son Anuj's present age" means: his father's age = 5 times his son's age. So his son's age is (100-x)/5. "Anuj's a...
Sep. 12, 2011 at 04:59:26AM
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Sep. 12, 2011 at 12:18:27AM
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Sep 11, 2011 at 7:22:10PM
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Sep 11, 2011 at 4:10:23PM
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Sep 11, 2011 at 3:04:35PM
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...life of 5,730 years. Use the formula: N = M(0.5)^(t/half-life) where M = origin amount...
Sep 11, 2011 at 3:02:30PM
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...n G. That is (F-G)(x) = F(x) - G(x) = (x² - 6) - (11 - x) = x 2 - 6 - 11 + x = x 2 + x - 5 (F-G)(-5) just means you substitute -5 into x: So...
Sep 11, 2011 at 1:08:15PM
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Sep. 11, 2011 at 11:46:17AM
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Sep. 11, 2011 at 08:48:44AM
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Sep. 11, 2011 at 01:21:49AM
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.... So v is the speed that if we travel back and ...
Sep 10, 2011 at 4:06:06PM
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...olve. -4x - 0 = 16  Divide by -4:   x = -4 To f...
Sep 10, 2011 at 2:24:04PM
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...d the given modified quota by comparing it with the arithmetic mean. Since 3.77 is greater than the arithmetic mean which is 3.5, we round it up t...
Sep 10, 2011 at 2:03:33PM
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Sep 10, 2011 at 12:25:49PM
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...36/68 = 2 hours. The motorcyclist travels 3 ...
Sep. 10, 2011 at 05:24:14AM
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... full question is: A mechanic charged \$239 to repair a ca...
Sep. 10, 2011 at 02:00:37AM
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