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Recent problems solved by 'richwmiller'

richwmiller answered: 9133 problems
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Miscellaneous_Word_Problems/305006: Mary sold 762 boxes of oranges and grapefruit. Oranges were $11 per box; grapfruit were $10 per box. She took in $8125.00. How many boxes of oranges were sole? 1 solutions Answer 218428 by richwmiller(9144)   on 2010-05-16 10:31:51 (Show Source): You can put this solution on YOUR website! This is not a rate of work problem. o+g=762 11o+10g=8125

Rate-of-work-word-problems/305005: If Mary can rake leaves in 6 hours and Joe can do it in 7 hours, how long will it take them to do the job together? 1 solutions Answer 218427 by richwmiller(9144)   on 2010-05-16 10:28:46 (Show Source): You can put this solution on YOUR website! x/6+x/7=1 7x+6x=42 13x=42 x=42/13 x=3 3/13 hours check (42/13)/6+(42/13)/7=1 7/13+6/13=1 13/13=1 ok

Percentage-and-ratio-word-problems/304769: A bucket holds 4 quarts of popcorn. If 1/3 cup of corn kernels makes 2 quarts of popcorn , how many buckets can be filled with the popcorn made from 4 cups of kernels ? 1 solutions Answer 218276 by richwmiller(9144)   on 2010-05-15 13:15:52 (Show Source): You can put this solution on YOUR website! 1/3 makes 2 qts 2/3 makes 4 quarts 4/(2/3)=4*(3/2)=12/2=6

Linear-equations/304795: how do i do this: there is a linear equation where when x=2, y=10 and when x=10, y=-2 find the ordered pairs when x=-10 and when x=100 can you also tell me the formula 1 solutions Answer 218275 by richwmiller(9144)   on 2010-05-15 13:11:39 (Show Source): You can put this solution on YOUR website! You have two points on a line. find the equation.

Age_Word_Problems/304793: A man goes to the bank with $4.00 and asks for change. 1 solutions Answer 218274 by richwmiller(9144)   on 2010-05-15 13:05:15 (Show Source): You can put this solution on YOUR website! show me how this is an age word problem and I will answer it for you.

Equations/304794: Can you help solve 23/7 -2+ 1/3+ 7/6 23/7 -2/2 + 1/3 + 7/6 23/7 -2 + 9/6 23/7 - 2/2 +9/6 46/14 - 14/14 + 9/6 32/14 + 9/6 192/84 + 126/84 288/84= 3 33/84 is this correct? 1 solutions Answer 218273 by richwmiller(9144)   on 2010-05-15 13:01:28 (Show Source): You can put this solution on YOUR website! That is not an equation. Equations are solved. Your expression can be reduced simplified or combined but not solved. Use the math words correctly. 23/7 -2+ 1/3+ 7/6= 39/14

Age_Word_Problems/304792: How many farther can a boa traveling at a rate of 15 kilometers per hour for x hours travel than a second boat traveling at a rate of 18 kilometers per hour for x-3hours? 1 solutions Answer 218270 by richwmiller(9144)   on 2010-05-15 12:51:23 (Show Source): You can put this solution on YOUR website! There are many problems with this question. It is in the wrong category. This is a travel word problem not an age word problem. It is not written in understandable English. "How many farther" means nothing . Do you mean "boa" or "boat" ?

Mixture_Word_Problems/304788: In a container there are 60 ounces of a solution that is 20% acid. How many ounces of pure acid must be added to produce a solution that is 25% acid? 1 solutions Answer 218269 by richwmiller(9144)   on 2010-05-15 12:46:08 (Show Source): You can put this solution on YOUR website! did this two days ago

Expressions-with-variables/304790: (3x^2+2x-3)-(x^2-2x+1) I have an answer of -4+4x=2x^2 Is this correct? 1 solutions Answer 218268 by richwmiller(9144)   on 2010-05-15 12:39:47 (Show Source): You can put this solution on YOUR website! (3x^2+2x-3)-(x^2-2x+1) Removing the parentheses 3x^2+2x-3-x^2+2x-1 2x^2+4x-4 There is no equal sign anywhere.

Percentage-and-ratio-word-problems/304791: A and B deposited Rs. 4000 and 2000 for 6 months and 12 months resp. wat will be profit of B? 1 solutions Answer 218266 by richwmiller(9144)   on 2010-05-15 12:32:45 (Show Source): You can put this solution on YOUR website! incomplete question.

Equations/304766: if n is less than w and w is 1 more than z, what is the value of n when z = 1? 1 solutions Answer 218265 by richwmiller(9144)   on 2010-05-15 12:31:06 (Show Source): You can put this solution on YOUR website! n w=1+z if z=1 w=2 n<2

Linear-equations/304752: Last week you noticed 200 exclusive 1 solutions Answer 218262 by richwmiller(9144)   on 2010-05-15 12:21:18 (Show Source): You can put this solution on YOUR website! same problem submitted less than a minute before

Numbers_Word_Problems/304753: A positive integer is called a palindrome if it reads the same forward as it does backward. For example, 959 and 8228 are palindromes , whereas 1332 is not neither the first nor the last of a palindrome can be 0 1) Which of the following integers is a palindrome? (A) 550 (B) 2255 (C) 2525 (D) 2552 (E) 5002 1 solutions Answer 218260 by richwmiller(9144)   on 2010-05-15 12:18:15 (Show Source): You can put this solution on YOUR website! Some websites rules: one problem at a time answer d) 2552 same forward and backwards

test/304782: 1. A farmer has two types of feed that are 12% protein and 18% protein respectively. How many pounds of each need to be combined to make a mixture of 36 pounds of feed that is 13.5% protein? 1 solutions Answer 218257 by richwmiller(9144)   on 2010-05-15 12:00:48 (Show Source): You can put this solution on YOUR website! Some of the website rules. There are more. One problem at a time No more than 5 problems. It was changed two days ago to 5. No similar nor identical problems. Use the right category. BTW test is not for your test questions but for testing the way things work. So strictly speaking everything in test should be ignored by the tutors. Don't expect answers when you break so many rules.

logarithm/304784: For a>0 and b>0, log a/b = 1 solutions Answer 218256 by richwmiller(9144)   on 2010-05-15 11:52:50 (Show Source): You can put this solution on YOUR website! log a-log b

Functions/304776: how do i write this function to solve it f(x)=-3x+9 g(x)=8x+7 find f(g(x)) this is what i did but did not get the right answer: -3x+9(8x+7) i also tried it like this: (-3x+9)(8x+7) 1 solutions Answer 218255 by richwmiller(9144)   on 2010-05-15 11:51:24 (Show Source): You can put this solution on YOUR website! f(x)=-3x+9 g(x)=8x+7 find f(g(x)) f(g(x))=8(-3x+9)+7 find f(g(x))

absolute-value/304584: Okay, I am in the 6th grade && i'm learning absolute value. On your sight it kind of made me think that you were saying that a negitive number would be positive - witch is right, but then it said something like a positive number would alway's be negitive. I talked to my math teacher about this && he said that the information you posted was wrong. You made it seem more like you were talking about how to slove the positive/negitive number line thing. && I might be wrong about this, but can you please just reveiw what you wrote because If it is wrong alot of other kid's could be following what you wrote. Well that's pretty much it. Please email me regarding this qustion/statement. Thank you for takeing the time to read this. 1 solutions Answer 218206 by richwmiller(9144)   on 2010-05-14 22:41:46 (Show Source): You can put this solution on YOUR website! You have to tell us which tutor said the things you mentioned. BTW You should be more concerned about your terrible spelling.

Travel_Word_Problems/304487: Train A and B are traveling in the same direction on parallel tracks. Train A is traveling at 40mph and train B is traveling at 48 mph. Train A passes a station at 7:20am. If Train B passes the same station at 7:35am, at what time will train B catch up with train A? 1 solutions Answer 218205 by richwmiller(9144)   on 2010-05-14 22:35:41 (Show Source): You can put this solution on YOUR website! A has a 15 minute head start. How far can a go in15 minutes? 40*1/4=10miles train b is gaining on a at 8 mph so it will take b r*t=d t=d/r t=10/8 to catch up 1 1/4 hour add 1:15 to 7:35 8:50 train b acatches train a

Functions/304542: I don't get functions and I just need them cleared up for a test I have to take can you please help? 1 solutions Answer 218204 by richwmiller(9144)   on 2010-05-14 22:29:34 (Show Source): You can put this solution on YOUR website! functions are basically equations with one y for each x

Miscellaneous_Word_Problems/304568: You bought 12 raffle tickets numbered sequentially starting at 17 (the 2nd ticket is 18, the 3rd is 19, and so on). Which inequality represents the possible winning numbers? 1 solutions Answer 218203 by richwmiller(9144)   on 2010-05-14 22:26:57 (Show Source): You can put this solution on YOUR website! this problem was posted twice in two categories

test/304567: You bought 12 raffle tickets numbered sequentially starting at 17 (the 2nd ticket is 18, the 3rd is 19, and so on). Which inequality represents the possible winning numbers? 1 solutions Answer 218202 by richwmiller(9144)   on 2010-05-14 22:24:55 (Show Source): You can put this solution on YOUR website! this problem was posted twice in two categories

test/304586: 1.find the center and radius of a circle whose equation is x^2+10x+y^2=75. 1 solutions Answer 218200 by richwmiller(9144)   on 2010-05-14 22:21:44 (Show Source): You can put this solution on YOUR website! website rules new daily limit of 5 problems no similar problems one problem at a time use right category

Polynomials-and-rational-expressions/304648: what is b for this equation: (2/b^2)-b-(2/b)-1=1 1 solutions Answer 218154 by richwmiller(9144)   on 2010-05-14 18:30:03 (Show Source): You can put this solution on YOUR website! double and triple check this equation. The answer is very complicated.

Proportions/304643: If Sally can paint a house in 4 hours, and John can paint the same house in 6 hour, how long will it take for both of them to paint the house together? 1 solutions Answer 218152 by richwmiller(9144)   on 2010-05-14 18:25:12 (Show Source): You can put this solution on YOUR website! Wrong category I did this twice in the past week same names same hours. Look in work word problems.

Problems-with-consecutive-odd-even-integers/304653: three times the sum of the first two integers of three consecutive even integers is two more than four times the third integer. Find the second integer!..ahh help!! pls 1 solutions Answer 218150 by richwmiller(9144)   on 2010-05-14 18:21:19 (Show Source): You can put this solution on YOUR website! three consecutive even integers x, x+2, x+4 3*(x+x+2)=2+4*(x+4) 3*(2x+2)=2+4*(x+4) 6x+6=2+4x+16 2x=2+10 2x=12 x=6 6,8,10 check 3*14=2+4*10 42=42 ok

Linear-equations/304670: how do i solve for x/-4 1 solutions Answer 218149 by richwmiller(9144)   on 2010-05-14 18:12:54 (Show Source): You can put this solution on YOUR website! something is missing.

Polynomials-and-rational-expressions/304659: factor completely the polynomial 3x4 1 solutions Answer 218148 by richwmiller(9144)   on 2010-05-14 18:09:54 (Show Source): You can put this solution on YOUR website! Is that (3x)*(4y)-48y or 3*(x^4)*y-48y

Polynomials-and-rational-expressions/304662: 30mn squared 1 solutions Answer 218147 by richwmiller(9144)   on 2010-05-14 18:06:31 (Show Source): You can put this solution on YOUR website! resubmit using the instructions on the submit page for using exponents x^2 be sure to indicate which part is to be squared. 30 *(mn)^2 or 30m*n^2 or (30mn)^2 they are all different.

Travel_Word_Problems/304661: You have four horses, all of which travel at different speeds. In traveling from point A to point B, these horses take one, two, four and six hours respectively. One day you decide to move all your horses from point A to point B. However, you can only move a maximum of two horses at a time, and you need to ride a horse back to point A each time you return to move your other horses. Knowing you can only move as fast as the slowest horse you’re traveling with, what is the fewest number of hours it will take to complete your move? 1 solutions Answer 218146 by richwmiller(9144)   on 2010-05-14 18:03:15 (Show Source): You can put this solution on YOUR website! take the fast and the slowest +6+1 take the fastest and next slowest +4+1 take the the last two +2 +6+1+4+1+2 14 hours of fun

Linear-equations/304667: Explain how to arrive at the vertex algebraically of the following function 6x^2 + 13x -8 please 1 solutions Answer 218145 by richwmiller(9144)   on 2010-05-14 17:56:53 (Show Source): You can put this solution on YOUR website! There is no y so there is no vertex set it equal to y -13/6*2=-13/12=x plug that in for x and get the y of the vertex

Quadratic_Equations/304654: would you do these problems and show all work: solve each equation by graphing the related function. If the equation has no solution, write no soultion. 1)x2=16 1 solutions Answer 218144 by richwmiller(9144)   on 2010-05-14 17:49:57 (Show Source): You can put this solution on YOUR website! New problem limit as of yesterday. 5 problems per day One problem at a time No similar problems Use right category As of yesterday there instructions on the submit page telling you how to enter exponents and and square roots. Igor told me that people would still do it wrong. So you only broke 4 rules in one try.