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Recent problems solved by 'Alan3354'

Alan3354 answered: 30973 problems
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Graphs/339932: what is the function rule for this x=1,2,3,4 y=0,2,4,6 1 solutions Answer 243756 by Alan3354(30993)   on 2010-09-07 21:59:10 (Show Source): You can put this solution on YOUR website! y = 2x - 2

Exponents/340023: The sum of three consecutive odd integers is 87. Find the three intergeres 1 solutions Answer 243682 by Alan3354(30993)   on 2010-09-07 18:04:33 (Show Source): You can put this solution on YOUR website! 87/3 = 29, the middle integer

Travel_Word_Problems/340010: The water in the buffalo River flows at an average speed of 5 km/hr/ If you decide to canoe down the river a distance of 16 km, how many hours and minutes will it take? 1 solutions Answer 243677 by Alan3354(30993)   on 2010-09-07 17:55:00 (Show Source): You can put this solution on YOUR website! If you don't have a paddle or an oar, and just float along, it's 16/5 hours. ----- Is that a Modest Mouse song?

Travel_Word_Problems/340014: if you travel for 1 hour at 10 miles per hour and for 2 hours at 25 miles per hour,what is your average speed for the entire trip? 1 solutions Answer 243676 by Alan3354(30993)   on 2010-09-07 17:47:10 (Show Source): You can put this solution on YOUR website! if you travel for 1 hour at 10 miles per hour and for 2 hours at 25 miles per hour,what is your average speed for the entire trip? -------------- Find the total distance. Divide by the total time. That's your answer.

Probability-and-statistics/340019: probability of rain is 80% 1 solutions Answer 243675 by Alan3354(30993)   on 2010-09-07 17:46:02 (Show Source): You can put this solution on YOUR website! Sounds about right in the Houston area.

Numbers_Word_Problems/339925: the sum of three consecutive odd integers is 165? What are the intergers? 1 solutions Answer 243615 by Alan3354(30993)   on 2010-09-07 15:45:25 (Show Source): You can put this solution on YOUR website! 165/3 = 55, the middle integer

Numbers_Word_Problems/339907: My number has doubled the number of ones as tens the sume of the digit is 9 1 solutions Answer 243607 by Alan3354(30993)   on 2010-09-07 15:39:16 (Show Source): You can put this solution on YOUR website! = 36

Exponents/339852: Suppose it takes 3 days for a space vehicle to travel from earth to the moon. About how long would it take the same vehicle traveling at the same speed to reach neptune? Distance to the moon is 240,000 miles Distance to Neptune is 2,700,000,000 miles The space vehicle would take how many days to reach Neptune?? Round to the nearest whole number, and use scientific notation 1 solutions Answer 243507 by Alan3354(30993)   on 2010-09-07 11:37:49 (Show Source): You can put this solution on YOUR website! Suppose it takes 3 days for a space vehicle to travel from earth to the moon. About how long would it take the same vehicle traveling at the same speed to reach neptune? Distance to the moon is 240,000 miles Distance to Neptune is 2,700,000,000 miles The space vehicle would take how many days to reach Neptune?? Round to the nearest whole number, and use scientific notation ----------------------- 240000 miles/3 days = 80000 miles/day ------------------- 2,700,000,000 miles/80000 miles/day = 33750 days = days or 3.375E4 days ---------- =~ 92.5 years Pack a big lunch

Linear-systems/339851: Find three consecutive integers whose sum is -33. 1 solutions Answer 243505 by Alan3354(30993)   on 2010-09-07 11:33:13 (Show Source): You can put this solution on YOUR website! -33/3 = -11, the middle number

Numbers_Word_Problems/339837: a bus stops at every third corner.Another bus stops at every eighth corner. if both buses start at the same place,how many blocks from the starting point will both buses stop? it doesn't make sense to me nor my family so maybe someone could explain to me because i'm confused 1 solutions Answer 243496 by Alan3354(30993)   on 2010-09-07 10:54:05 (Show Source): You can put this solution on YOUR website! a bus stops at every third corner.Another bus stops at every eighth corner. if both buses start at the same place,how many blocks from the starting point will both buses stop? -------------------- It's 3 * 8 = 24 stops The 1st bus stops at 3,6,9,12,15,18,21,24 The 2nd bus stops at 8, 16, 24 ---------------- 24 is the stop they'll both use (using zero for the starting point). Then 48, 72, etc, multiples of 24.

Linear-equations/339727: Q = 20t - 11 1 solutions Answer 243368 by Alan3354(30993)   on 2010-09-06 22:09:26 (Show Source): You can put this solution on YOUR website! Thx for telling us.

Complex_Numbers/339692: Write the complex number (48) in standard form. (a+bi) 1 solutions Answer 243342 by Alan3354(30993)   on 2010-09-06 20:46:31 (Show Source): You can put this solution on YOUR website! = 48 + 0i

Word_Problems_With_Coins/339695: Cindy has an equal number of dimes, nickels, and pennies in her coin collection. If the value of the coins is $13.44, how many coins does she have? 1 solutions Answer 243340 by Alan3354(30993)   on 2010-09-06 20:45:22 (Show Source): You can put this solution on YOUR website! n = number of each coin n + 5n + 10n = 1344 You can finish it?

Graphs/339687: P=(0,-5)X=20 FIND THE SLOPE 1 solutions Answer 243335 by Alan3354(30993)   on 2010-09-06 20:29:37 (Show Source): You can put this solution on YOUR website! The slope of what?

Graphs/339688: solve this equation by substitution y = 3x and x + y = 8 1 solutions Answer 243334 by Alan3354(30993)   on 2010-09-06 20:28:45 (Show Source): You can put this solution on YOUR website! solve this equation by substitution y = 3x and x + y = 8 ------------- x + y = 8 y = 3x Sub for y in the 1st eqn

Miscellaneous_Word_Problems/339654: The height of an object thrown upward with an initial velocity of 96 feet per second is given by the formula h = -16t2 + 96t, where t is the time in seconds. How long will it take the object to reach a height of 144 feet? 1 solutions Answer 243333 by Alan3354(30993)   on 2010-09-06 20:26:47 (Show Source): You can put this solution on YOUR website! The height of an object thrown upward with an initial velocity of 96 feet per second is given by the formula h = -16t2 + 96t, where t is the time in seconds. How long will it take the object to reach a height of 144 feet? ------------- h = -16t2 + 96t 144 = -16t^2 + 96t solve for t

test/339613: 4y^2-81 1 solutions Answer 243331 by Alan3354(30993)   on 2010-09-06 20:25:35 (Show Source): You can put this solution on YOUR website! What about it?

Polynomials-and-rational-expressions/339651: what is the answer to the letters... 4QA + 2QB - 145 = 0 1 solutions Answer 243330 by Alan3354(30993)   on 2010-09-06 20:24:39 (Show Source): You can put this solution on YOUR website! What's the question?

Numbers_Word_Problems/339681: an odd number between 48 and 64 the tens digit is greater than the ones digit and the difference between the two digits is 4 whats the number? 1 solutions Answer 243329 by Alan3354(30993)   on 2010-09-06 20:22:33 (Show Source): You can put this solution on YOUR website! 51

Numeric_Fractions/339683: If n divided by m = 7/8, then what is m divided by n =. please show how u got the answer. 1 solutions Answer 243327 by Alan3354(30993)   on 2010-09-06 20:16:55 (Show Source): You can put this solution on YOUR website! If n divided by m = 7/8, then what is m divided by n =. please show how u got the answer. n/m = 7/8 Invert both sides m/n = 8/7

Miscellaneous_Word_Problems/339672: The class is 25% male. if there are 18 women in class, how many students are in the class? how do you set this problem up? 1 solutions Answer 243325 by Alan3354(30993)   on 2010-09-06 20:15:58 (Show Source): You can put this solution on YOUR website! The class is 25% male. if there are 18 women in class, how many students are in the class? how do you set this problem up? ---------------- It's 75% female. 18 is 75% of the total.

Signed-numbers/339664: How do you use the number 5,5 times in a equation to get a total of 18? 1 solutions Answer 243323 by Alan3354(30993)   on 2010-09-06 20:14:31 (Show Source): You can put this solution on YOUR website!

Bodies-in-space/339675: what is the volume of a ball if its diameter is 11 inches? 1 solutions Answer 243322 by Alan3354(30993)   on 2010-09-06 20:13:13 (Show Source): You can put this solution on YOUR website! For a sphere, r = 5.5 inches

Polynomials-and-rational-expressions/339673: 1) Solve by factoring and using the principle of zero products. x2 + 9x = 0 2) Factor completely. x2 - 50xy + 625y2 3) Factor completely. 3x3 + 24x2 + 48x 4) Factor completely. x4 - 24x2 - 25 1 solutions Answer 243319 by Alan3354(30993)   on 2010-09-06 20:08:52 (Show Source): You can put this solution on YOUR website! 1) Solve by factoring and using the principle of zero products. x2 + 9x = 0 Hint: both terms have a factor of x -------------------- 2) Factor completely. x2 - 50xy + 625y2 Hint: the 1st and last terms are squares. 3) Factor completely. 3x3 + 24x2 + 48x Factor out a 3x. Then the 1st and last terms are squares. ----------- 4) Factor completely. x4 - 24x2 - 25 It will be (x^2 + a)*(x^2 + b) ab = -25, so the signs are different. a+b = -24

Linear-equations/339082: Write in standard form the equation of a line that satisfies the given condition. perpendicular to 2x + 3y = -6, through (1,2) Please help! 1 solutions Answer 243316 by Alan3354(30993)   on 2010-09-06 19:49:04 (Show Source): You can put this solution on YOUR website! A line and a point example. Write in standard form the eqation of a line that satisfies the given conditions. Perpendicular to 9x+3y=36, through (1,2) ----------------- Find the slope of the line. Do that by putting the equation in slope-intercept form, y = mx + b. That means solve for y. 9x+3y = 36 3y= - 9x + 36 y = -3x + 12 The slope, m = -3 ------------------ The slope of lines parallel is the same. The slope of lines perpendicular is the negative inverse, m = +1/3 ---------------- Use y = mx + b and the point (1,2) to find b. 2 = (1/3)*1 + b b = 5/3 The equation is y = (1/3)x + 5/3 (slope-intercept form) x - 3y = -5 (standard form) ------------------------ For further assistance, or to check your work, email me via the thank you note, or at Moral Loophole@aol.com

Linear-equations/339080: Write in standard form the equation of a line that satisfies the given condition. parallel to y = -2x + 7 , through (-1, 4) Please help! 1 solutions Answer 243315 by Alan3354(30993)   on 2010-09-06 19:48:23 (Show Source): You can put this solution on YOUR website! A line and a point example. Write in standard form the eqation of a line that satisfies the given conditions. Perpendicular to 9x+3y=36, through (1,2) ----------------- Find the slope of the line. Do that by putting the equation in slope-intercept form, y = mx + b. That means solve for y. 9x+3y = 36 3y= - 9x + 36 y = -3x + 12 The slope, m = -3 ------------------ The slope of lines parallel is the same. The slope of lines perpendicular is the negative inverse, m = +1/3 ---------------- Use y = mx + b and the point (1,2) to find b. 2 = (1/3)*1 + b b = 5/3 The equation is y = (1/3)x + 5/3 (slope-intercept form) x - 3y = -5 (standard form) ------------------------ For further assistance, or to check your work, email me via the thank you note, or at Moral Loophole@aol.com

Miscellaneous_Word_Problems/339467: What is the probability of rolling double-sixes on any given roll? 1 solutions Answer 243254 by Alan3354(30993)   on 2010-09-06 12:34:06 (Show Source): You can put this solution on YOUR website! 1/6 * 1/6 = 1/36

Travel_Word_Problems/339452: what distance will a car traveling at a speed of 50 km/hr cover in 0.25 hr? 1 solutions Answer 243251 by Alan3354(30993)   on 2010-09-06 12:03:40 (Show Source): You can put this solution on YOUR website! You have only 2 numbers to work with. You gotta start somewhere, give it a try.

Problems-with-consecutive-odd-even-integers/339381: If v, w, x, y, and z are consecutive odd integers, what is the value of (v + w + x + y + z)/x ? (a) 0 (b) 2 (c) 3 (d) 5 (e) 10 1 solutions Answer 243224 by Alan3354(30993)   on 2010-09-06 10:06:29 (Show Source): You can put this solution on YOUR website! d 5

Numbers_Word_Problems/339366: B A B A + B A _________________ A C In the addition problem above, A, B, and C are different digitis from 1 to 5, inclusive. What digit does C represent? 1 solutions Answer 243202 by Alan3354(30993)   on 2010-09-06 07:48:06 (Show Source): You can put this solution on YOUR website! 14 14 14 --- 42

Rational-functions/339312: A student opens a mathematics book to two facing pages. the product of the page number is 1806. FIND the page numbers. 1 solutions Answer 243199 by Alan3354(30993)   on 2010-09-06 07:24:31 (Show Source): You can put this solution on YOUR website! sqrt(1806) =~ 42.5 --> 42 & 43