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# Recent problems solved by 'Alan3354'

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 test/636185: What is one way to factor -18x8+27x161 solutions Answer 400825 by Alan3354(31518)   on 2012-08-09 19:24:13 (Show Source): You can put this solution on YOUR website!What is one way to factor -18x8+27x16 ----------- Find factors common to the 2 terms. There's 9, & x^8
 Polynomials-and-rational-expressions/636183: Hi. I was wondering if someone could check to see if this is right or not. Multiply (-2m)^2 (3m^9 )^2 I came up with (-6m^9)^4. I ave a feeling I am wrong. Am I? If I am, could you explain how to get to the right answer? I really appreciate it. Thanks1 solutions Answer 400824 by Alan3354(31518)   on 2012-08-09 19:22:58 (Show Source): You can put this solution on YOUR website!(-2m)^2 (3m^9 )^2 ---------- = = --------------- You answer is almost right, but it can be simplified I came up with (-6m^9)^4 It's (-6m^10)^2 --> 36m^20
 logarithm/636169: How do I solve for log base 1/3 of the square root of 3 over 3 = x1 solutions Answer 400822 by Alan3354(31518)   on 2012-08-09 19:17:29 (Show Source): You can put this solution on YOUR website!How do I solve for log base 1/3 of the square root of 3 over 3 = x ---------- x = 1/2
 Travel_Word_Problems/636178: If car number one is traveling on the interstate at 90 mph and the cop car is sitting parked on the on ramp at mile marker 325. How long does it take the cop to catch the car traveling 90 mph at a average speed of 100? 1 solutions Answer 400820 by Alan3354(31518)   on 2012-08-09 19:14:33 (Show Source): You can put this solution on YOUR website!If car number one is traveling on the interstate at 90 mph and the cop car is sitting parked on the on ramp at mile marker 325. How long does it take the cop to catch the car traveling 90 mph at a average speed of 100? ------------ Info is missing. What's the acceleration of the cop car? Does he start pursuit at the 325 marker, or is he already moving at 100 mi/hr?
 Distributive-associative-commutative-properties/636172: Please help me figure out which property this question is 4x(2+6)=4x2+4x61 solutions Answer 400817 by Alan3354(31518)   on 2012-08-09 18:45:13 (Show Source): You can put this solution on YOUR website!Please help me figure out which property this question is 4x(2+6)=4x2+4x6 --------- There are only a few to choose from. Look up each one, see which one applies.
 Linear-equations/636173: how do i solve p equal 144p over y 1 solutions Answer 400816 by Alan3354(31518)   on 2012-08-09 18:44:11 (Show Source): You can put this solution on YOUR website!how do i solve p equal 144p over y ------- Solve for what?
 Word_Problems_With_Coins/636170: a man has 93 coins, but only in nickels and quarters. Determine how many nickels and how many quaters this man has, knowing that the total amount of the coins is 17 dollars and 5 cents.1 solutions Answer 400815 by Alan3354(31518)   on 2012-08-09 18:43:25 (Show Source): You can put this solution on YOUR website!a man has 93 coins, but only in nickels and quarters. Determine how many nickels and how many quaters this man has, knowing that the total amount of the coins is 17 dollars and 5 cents. ----------- n + q = 93 5n + 25q = 1705 ------
 Age_Word_Problems/636171: I went to the zoo and saw camels and emis. If all told I saw 35 heads and 94 feet how many camels and emis did I see ocelandermason@yahoo.com1 solutions Answer 400814 by Alan3354(31518)   on 2012-08-09 18:40:59 (Show Source): You can put this solution on YOUR website!What's an emis?
 Linear-equations/636054: Create your own trinomial. Write it in ascending order and identify its degree1 solutions Answer 400813 by Alan3354(31518)   on 2012-08-09 18:22:03 (Show Source): You can put this solution on YOUR website!Why don't you? I can't create your own, I can only create my own. A trinomial has 3 terms.
 Exponents/636079: how to solve 23 power 23 minus 17 power 17. 1 solutions Answer 400812 by Alan3354(31518)   on 2012-08-09 18:19:46 (Show Source): You can put this solution on YOUR website!how to solve 23 power 23 minus 17 power 17. --------- I would use a calculator. = 2088046799020671772468696146390
 Finance/636133: Make a 5% offer on a car that has a sticker price of 22,120 and a dealer cost of 20,855(round it off to the nearest dollar)1 solutions Answer 400811 by Alan3354(31518)   on 2012-08-09 18:15:50 (Show Source): You can put this solution on YOUR website!Make a 5% offer on a car that has a sticker price of 22,120 and a dealer cost of 20,855(round it off to the nearest dollar) -------------- 5% of 22120 = 1106 I doubt you'll get it for that.
 Average/636166: You are taking a physics class. There will be four tests. You earned an 86, 93, and an 89 on the first three tests. You must make a total of 360 or more to get an A. What score on the last test will give you an A?1 solutions Answer 400808 by Alan3354(31518)   on 2012-08-09 18:05:31 (Show Source): You can put this solution on YOUR website!You are taking a physics class. There will be four tests. You earned an 86, 93, and an 89 on the first three tests. You must make a total of 360 or more to get an A. What score on the last test will give you an A? --------- You need 360. You have 86 + 93 + 89 If you can't figure that out, you have no hope of getting an A.
 Probability-and-statistics/636131: A random number is generated between 0 and 100 on one try. To "win" the number must be 10 or below. I can try multiple times. Doesn't the probably increase the more times I "try"? Can a formula be put to that? Thanks! 1 solutions Answer 400807 by Alan3354(31518)   on 2012-08-09 18:02:13 (Show Source): You can put this solution on YOUR website!A random number is generated between 0 and 100 on one try. To "win" the number must be 10 or below. I can try multiple times. Doesn't the probably increase the more times I "try"? Can a formula be put to that? ------------ The probability is the same for each try. 0 to 100 is 101 elements. 0 to 10 is 11 elements. --> 11/101 for each try. --------------------------- If you try 2 times, the chance is 2x as much or getting 1 win, etc.
 Geometry_Word_Problems/636092: How do you solve word problems with geometetric formulas:area1 solutions Answer 400805 by Alan3354(31518)   on 2012-08-09 17:59:16 (Show Source): You can put this solution on YOUR website!How do you solve word problems with geometetric formulas:area -------- I solve them very well, thx for asking.
 test/636155: 2x3-3x2+x+51 solutions Answer 400804 by Alan3354(31518)   on 2012-08-09 17:58:19 (Show Source): You can put this solution on YOUR website!2x3-3x2+x+5 ------- Do you have a question?
 �t�e�s�t/636146: So i'm getting 80% in english right now and i want to know what is the lowest score I can receive when my final test worth 20% of the whole years grade if i get 0%1 solutions Answer 400776 by Alan3354(31518)   on 2012-08-09 16:26:27 (Show Source): You can put this solution on YOUR website!So i'm getting 80% in english right now and i want to know what is the lowest score I can receive when my final test worth 20% of the whole years grade if i get 0% ---------------- If the final is 20%, the rest is worth 80% 80*80 + 20*0 = score*100 score = 64%
 Finance/636135: convert the following credit card rate to APR. Oregon, 1 3/4 per month1 solutions Answer 400767 by Alan3354(31518)   on 2012-08-09 15:58:56 (Show Source): You can put this solution on YOUR website!convert the following credit card rate to APR. Oregon, 1 3/4 per month 1.75*12 = 21% If it's compounded monthly, it's (1.0175)^12 =~ 23.14%
 Complex_Numbers/361631: on page 280 of the algebra 2 book problem 5 reads i^40 i cant figure out how to solve it...1 solutions Answer 400746 by Alan3354(31518)   on 2012-08-09 15:01:41 (Show Source): You can put this solution on YOUR website!i^40 ----- ---- It's cyclic i, -1, -i, 1 etc. ---
 Travel_Word_Problems/636024: Two children are balanced on a seesaw. The smaller, weighing 40 pounds, is 6 feet from the balance point. How far from the balancing point must the other sit if he weighs 60 pounds?1 solutions Answer 400732 by Alan3354(31518)   on 2012-08-09 13:39:50 (Show Source): You can put this solution on YOUR website!Two children are balanced on a seesaw. The smaller, weighing 40 pounds, is 6 feet from the balance point. How far from the balancing point must the other sit if he weighs 60 pounds? ------------ 4 feet 40*6 = 60*4
 Angles/636040: A line in the plane of the top of a box and a line in the plane of the bottom of a box are _____ parallel.1 solutions Answer 400730 by Alan3354(31518)   on 2012-08-09 13:37:20 (Show Source): You can put this solution on YOUR website!A line in the plane of the top of a box and a line in the plane of the bottom of a box are _____ parallel. ------------- not necessarily
 logarithm/636102: What is this equation in logarithmic form : P = a^L1 solutions Answer 400727 by Alan3354(31518)   on 2012-08-09 13:33:36 (Show Source): You can put this solution on YOUR website!What is this equation in logarithmic form : P = a^L --------------
 Polynomials-and-rational-expressions/635912: factor 25g^6 -10g^3 +11 solutions Answer 400692 by Alan3354(31518)   on 2012-08-09 11:24:49 (Show Source): You can put this solution on YOUR website!factor 25g^6 -10g^3 +1 ------------- When both ends are perfect squares, check that first.
 Age_Word_Problems/635981: when i was two, my brother was half my age now i am 100. what is my brothers age1 solutions Answer 400690 by Alan3354(31518)   on 2012-08-09 11:20:35 (Show Source): You can put this solution on YOUR website!when i was two, my brother was half my age You're 1 year older. --------- now i am 100. what is my brothers age You're still 1 year older.
 Linear-equations/636047: Solve using the elimination method. Show your work. If the system has no solution or an infinite number of solutions, state this. 10x + 5y = 52.5 30x – 7y = 80.51 solutions Answer 400689 by Alan3354(31518)   on 2012-08-09 11:10:18 (Show Source): You can put this solution on YOUR website!Solve using the elimination method. Show your work. If the system has no solution or an infinite number of solutions, state this. 10x + 5y = 52.5 30x – 7y = 80.5 ================ Multiply the 1st eqn by 3, then subtract.
 Coordinate-system/636050: I need assistance writing slope-intercept form of a line between two given points. An example would be writing slope-intercept form of a line through points (1,-3) and (0,4. 1 solutions Answer 400688 by Alan3354(31518)   on 2012-08-09 11:09:02 (Show Source): You can put this solution on YOUR website!writing slope-intercept form of a line through points (1,-3) and (0,4). ------------- Find the slope, m m = diffy/diffx = 7/(-1) m = -7 ------ Use y = mx + b and either point to find b, the y-intercept -3 = -7*1 + b b = 4 --> y = -7x + 4 =================== If you know determinants: |x +y 1| |1 -3 1| = 0 |0 +4 1| ------------ (Plus signs for alignment) x*(-3 - 4) - y*(1 - 0) + 1*(4 - 0) = 0 -7x - y + 4 = 0 y = -7x + 4
 Travel_Word_Problems/635994: Two men are 150 miles apart, and approach each other, one at the rate of x miles an hour, the other at the rate of y miles an hour. How far apart will they be at the end of seven hours?1 solutions Answer 400681 by Alan3354(31518)   on 2012-08-09 08:43:22 (Show Source): You can put this solution on YOUR website!Two men are 150 miles apart, and approach each other, one at the rate of x miles an hour, the other at the rate of y miles an hour. How far apart will they be at the end of seven hours? ------------ Going in opposite directions, the speeds are added, = x+y mi/hr --> |150 - 7*(x+y)| |...| is absolute value
 Geometry_Word_Problems/635929: Sorry about that here is the question again. If triangle ABC is an isosceles triangle and angle A is fifty degrees what is the size of angle B?? 1 solutions Answer 400634 by Alan3354(31518)   on 2012-08-08 22:25:03 (Show Source): You can put this solution on YOUR website!If triangle ABC is an isosceles triangle and angle A is fifty degrees what is the size of angle B?? ------------ 2 of the angles are equal. The sum of the 3 angles = 180 --- The angles are either 50, 50, 80 Or 50, 65, 65
 Sequences-and-series/635863: a3=5, a8=1/625. How do I find A5 and An? Ans: a5=5/8 and an=10(-1/20)^n-11 solutions Answer 400632 by Alan3354(31518)   on 2012-08-08 22:13:21 (Show Source): You can put this solution on YOUR website!a3=5, a8=1/625. How do I find A5 and An? ----------- a(n+1) = a(n)/5 ------ 5, 1, 1/5, 1/25, 1/125, 1/625, etc A5 = 1/5 ----------- A(n) = A(0)/(5^n) A(n) = 625/5^n ========================= Ans: a5=5/8 and an=10(-1/20)^n-1 The answer to what?
 Travel_Word_Problems/635902: If I am traveling at an average rate of 47.3 miles per hour, how far will I travel after six and a half hours, rounded to the nearest half mile?1 solutions Answer 400631 by Alan3354(31518)   on 2012-08-08 22:06:50 (Show Source): You can put this solution on YOUR website!If I am traveling at an average rate of 47.3 miles per hour, how far will I travel after six and a half hours, rounded to the nearest half mile? ------------- d = r*t
 logarithm/635850: Use the definition of logarithm to simplify each expression. (a) log4b (4b) (b) log5b ((5b)^3) (c) log7b ((7b)^-11) Lets see for the log (4b, 5b and 7b) the numbers are lowered, I wasnt sure of how to display them.1 solutions Answer 400630 by Alan3354(31518)   on 2012-08-08 22:05:27 (Show Source): You can put this solution on YOUR website!Use the definition of logarithm to simplify each expression. (a) log4b (4b) (b) log5b ((5b)^3) (c) log7b ((7b)^-11) ================== It's not clear what you mean. Use format. Click Show Source to see how it's entered.
 Equations/635821: 5x-6=3x+xy1 solutions Answer 400595 by Alan3354(31518)   on 2012-08-08 18:50:33 (Show Source): You can put this solution on YOUR website!5x-6=3x+xy ----------- And? Do you have a question?