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# Recent problems solved by 'Fombitz'

Fombitz answered: 13805 problems
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 Numbers_Word_Problems/643759: What two numbers add up to -5 but multiply to give you 3? thank you for your time1 solutions Answer 404699 by Fombitz(13828)   on 2012-08-30 23:45:56 (Show Source): You can put this solution on YOUR website!Let the two numbers be and . 1. 2. From eq. 2, assuming doesn't equal zero, Then substitute into eq. 1, Use the quadratic formula, or approximately, or Then from above, or Make sure to verify the answer using the two equations.
 Number-Line/643886: how do you solve 2+(-5) using a numberline?1 solutions Answer 404697 by Fombitz(13828)   on 2012-08-30 23:34:11 (Show Source): You can put this solution on YOUR website!Start at . Adding a positive number moves you forward (more positive). Adding a negative number moves you backwards (less positive). If you add (-1), you move backwards 1 spot and you'd be at . Now where would you end up, if you add (-5)?
 Functions/643908: x^2+y=25 define y as a function of x1 solutions Answer 404696 by Fombitz(13828)   on 2012-08-30 23:31:08 (Show Source):
 Quadratic-relations-and-conic-sections/643918: x^2+25y^2=251 solutions Answer 404695 by Fombitz(13828)   on 2012-08-30 23:30:11 (Show Source): You can put this solution on YOUR website!What's the question?
 Evaluation_Word_Problems/643911: x+y=9.0 0.50x+.20y=3.75 With the given given problem, solve for the value of x and y. The answer I continue to get is x=4.3 and y=4.7 but it is wrong. Help please?1 solutions Answer 404694 by Fombitz(13828)   on 2012-08-30 23:28:41 (Show Source): You can put this solution on YOUR website!1. 2. From eq. 1, Use this in eq. 2, Now use the substitution again,
 Angles/507549: Angles BAC and Angle CAD are supplementary angles. Find the measure of each angle if the measure of angle BAC is 18x + 16 and the measure of Angle CAD is 15x + 8. Round angle measures to the nearest tenth.1 solutions Answer 340662 by Fombitz(13828)   on 2011-10-01 20:22:34 (Show Source): You can put this solution on YOUR website! By definition, Substitute, Then from above, I leave it to you to get the answer to the desired decimal places.
 Numbers_Word_Problems/507664: The difference between two positive integers is 34. One integer is three times as great as the other. Find the integers 1 solutions Answer 340660 by Fombitz(13828)   on 2011-10-01 20:19:25 (Show Source): You can put this solution on YOUR website!Let the two integers be and . 1. 2. Subsitute eq. 2 into eq. 1, Then from eq. 2,
 Angles/507543: The ratio of an angle to its supplement is 3:7. Find the Ratio of the angle to it's complement. PLEASE Help1 solutions Answer 340659 by Fombitz(13828)   on 2011-10-01 20:17:47 (Show Source): You can put this solution on YOUR website!Let be the angle, the supplement, and the complement. By definition, 1. 2. It's given that, From eq. 2, Then from 1, Then
 Numbers_Word_Problems/507542: Four more than the product of five and x yields thirty four1 solutions Answer 340657 by Fombitz(13828)   on 2011-10-01 20:14:04 (Show Source):
 Functions/507603: how do rewrite this equation in funtion form: -3x + y = 12 i tried : y = 3x = 12 then im lost. 1 solutions Answer 340656 by Fombitz(13828)   on 2011-10-01 20:12:32 (Show Source): You can put this solution on YOUR website!I think you have it assuming you meant + and not =,
 test/507627: 1 solutions Answer 340654 by Fombitz(13828)   on 2011-10-01 20:10:45 (Show Source):
 Expressions-with-variables/507624: Leo has 8 dollars more than Karen and Karen has 15 dollars more than Ress.Together they have 59 dollars. How much money does each have? 1 solutions Answer 340653 by Fombitz(13828)   on 2011-10-01 20:10:16 (Show Source): You can put this solution on YOUR website!Let be the amount of money Leo has, Karen, and Ress. 1. 2. 3. Subsititute from 1 and 2 into eq. 3, From 1, Now substitute, Now that you know work backwards. From 2, From 1,
 Linear-systems/507642: -10=xy+z for x1 solutions Answer 340651 by Fombitz(13828)   on 2011-10-01 20:05:03 (Show Source):
 Rational-functions/507652: Please help me solve this problem, (a^1/3 b^2/5)^1/2..1 solutions Answer 340649 by Fombitz(13828)   on 2011-10-01 20:03:57 (Show Source):
 Linear-systems/502898: One equation in a linear system is x+2y=4. Write another equation so that the system has the unique solution (-2,3)1 solutions Answer 338999 by Fombitz(13828)   on 2011-09-22 22:11:08 (Show Source): You can put this solution on YOUR website!Any equation that has a solution (-2,3) will do. How about since
 Expressions-with-variables/502902: Let y=f(x)=2x+4 be the given function. f(a) = ? I got 2a+4 is that right? f(a+h) = ? I got 2a+2h+4 is that right? f(a+h)-f(a) = ? I couldn't figure this one out. Thanks1 solutions Answer 338998 by Fombitz(13828)   on 2011-09-22 22:09:18 (Show Source): You can put this solution on YOUR website! - Yes, correct. - Yes, also correct. . . . Now take it from there and finish it!
 test/500546: 6x+2-1-4x-3-2x+21 solutions Answer 338162 by Fombitz(13828)   on 2011-09-19 18:12:37 (Show Source): You can put this solution on YOUR website!What's the question? Simplify? Please re-submit.
 Numbers_Word_Problems/500334: What is five times the sum of two consecutive integers is seven more then six times the sum of the second integer?1 solutions Answer 338110 by Fombitz(13828)   on 2011-09-19 12:17:32 (Show Source): You can put this solution on YOUR website!Let's call the first integer . The next consecutive integer is . Five times the sum is Six times the sum of the second integer? Do you mean If so then, So the two integers are and
 Rational-functions/414177: Solve the equation If t=(rs)/(q(s-1)) t=2.5 r=6 q=3 find s1 solutions Answer 290492 by Fombitz(13828)   on 2011-02-25 19:55:31 (Show Source):
 Volume/400877: if a box is 5 ft wide 4 feet long and 2 feet high, what is the volume1 solutions Answer 283722 by Fombitz(13828)   on 2011-01-27 19:33:38 (Show Source):
 Numbers_Word_Problems/400846: The sum of three consecutive odd numbers is 33. Using algebraic methods( not trial and error, find the numbers. I know that the three odd numbers are 9,11 and 13 but how do I write this out?1 solutions Answer 283721 by Fombitz(13828)   on 2011-01-27 19:31:58 (Show Source): You can put this solution on YOUR website!-first integer -next odd integer -next odd integer So then, So then,
 Expressions-with-variables/400847: y= -3/4x+11 solutions Answer 283720 by Fombitz(13828)   on 2011-01-27 19:30:33 (Show Source): You can put this solution on YOUR website!What's the question?
 test/400855: what is set1 solutions Answer 283719 by Fombitz(13828)   on 2011-01-27 19:30:07 (Show Source): You can put this solution on YOUR website!A collection of objects.
 Rational-functions/400861: i need to solve using multiplication principles 3/17x=21 or 3 over 17x=21 1 solutions Answer 283718 by Fombitz(13828)   on 2011-01-27 19:29:09 (Show Source):
 Travel_Word_Problems/400866: What is the average speed (in km/h) of an airplane that travels 320 km in 1.2 hours?1 solutions Answer 283717 by Fombitz(13828)   on 2011-01-27 19:28:01 (Show Source): You can put this solution on YOUR website!km/h
 Quadratic_Equations/400867: Can you help me find the the coordinates of the quadractic equation: x^2+6x+6=01 solutions Answer 283716 by Fombitz(13828)   on 2011-01-27 19:27:29 (Show Source): You can put this solution on YOUR website!Which coordinates? The vertex? The x=intercepts? The y-intercept?
 Money_Word_Problems/400872: A will states that John is to get three times as much money as Marsha. The total amount they will receive is \$11,600. How much money will each one get?1 solutions Answer 283715 by Fombitz(13828)   on 2011-01-27 19:26:43 (Show Source): You can put this solution on YOUR website!If Marsha gets X, then John gets 3X. . . .
 Expressions-with-variables/400869: How do you solve: 15g = 6(4+2g)1 solutions Answer 283713 by Fombitz(13828)   on 2011-01-27 19:25:24 (Show Source):
 Trigonometry-basics/400465: find the roots of -2x^2-3x-9=0 in simplest a+bi form1 solutions Answer 283548 by Fombitz(13828)   on 2011-01-27 08:03:33 (Show Source): You can put this solution on YOUR website!Use the quadratic formula,
 Graphs/400443: Write the equation of the line that is perpendicular to the given line and that passes throught the given point. 4x-12y;(10,-1)1 solutions Answer 283547 by Fombitz(13828)   on 2011-01-27 07:58:49 (Show Source): You can put this solution on YOUR website!Your equation is incomplete. Please re-post.
 Linear_Equations_And_Systems_Word_Problems/400442: write an equation of the line containing the given point and perpendicular to the given line (6,7);6x+=9. Thank you.1 solutions Answer 283546 by Fombitz(13828)   on 2011-01-27 07:58:18 (Show Source): You can put this solution on YOUR website!Check your equation, you seem to be missing something after the "+" sign.