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# Recent problems solved by 'Fombitz'

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 Equations/357596: how do i figure 3 = 10/3x - 12?1 solutions Answer 255328 by Fombitz(13828)   on 2010-10-17 20:11:06 (Show Source): You can put this solution on YOUR website! Multiply both sides by 3. Now solve for .
 Rational-functions/357591: Solve the system y = 3x + 2 and 5x - 4y = 6 for x1 solutions Answer 255326 by Fombitz(13828)   on 2010-10-17 20:07:17 (Show Source): You can put this solution on YOUR website!1. 2. Substitute eq. 1 into eq. 2,
 Length-and-distance/357239: y= 3x and y= 3x+10 find the distance between each pair of parallel lines 1 solutions Answer 255183 by Fombitz(13828)   on 2010-10-17 10:03:11 (Show Source): You can put this solution on YOUR website! Find the perpendicular line that goes through (0,0). Since perpendicular lines have slopes that are negative reciprocals, Using the origin, Now look for the intersection of and Then find the y coordinate, Now find the distance from (0,0) to (-3,1) using the distance formula, . . .
 Triangles/357227: A 30-60-90 right triangle has a long leg of length 22. What is the area of this right triagle?1 solutions Answer 255181 by Fombitz(13828)   on 2010-10-17 09:53:11 (Show Source): You can put this solution on YOUR website!30-60-90 triangles have sides in -- proportion. . .
 Quadratic_Equations/357273: Solve the formula for the given letter. Assume all variables represent non negative numbers. E=hc^2 , for c ?? 1 solutions Answer 255179 by Fombitz(13828)   on 2010-10-17 09:47:02 (Show Source):
 Systems-of-equations/357320: Simplify. (2s^-1t^3/6s^2t^-4)^31 solutions Answer 255177 by Fombitz(13828)   on 2010-10-17 09:38:14 (Show Source):
 Probability-and-statistics/357104: Find the range, standard deviation, and variance for the following sample data: 44, 2, 5, 16, 76, 17, 1, 95, 34, 40, 75, 46, 6, 6, 44, 94 1 solutions Answer 255134 by Fombitz(13828)   on 2010-10-16 22:41:05 (Show Source): You can put this solution on YOUR website!Range: Average: Variance: Standard Deviation:
 Expressions-with-variables/356956: -2a2/3a2*20a/15a31 solutions Answer 254937 by Fombitz(13828)   on 2010-10-16 02:46:05 (Show Source):
 Equations/356986: Give all solutions for x in the equation: |x|-4=22-9. Explain how you solved for x in a complete sentence.1 solutions Answer 254936 by Fombitz(13828)   on 2010-10-16 02:42:57 (Show Source): You can put this solution on YOUR website! and and
 test/356997: Hi I need some help with the following problem in identifying the degree of each term of the polynominal and the degree of the polynominal. -x^3 + 3x^2 + 7x +9 The degree of the polynominal is The degree of the first term is The degree of the second term is The degree of the third term is and the degree of the fourth term is For some reason I struggle with figuring this problem out and hope you can help me. Thanks :o)1 solutions Answer 254935 by Fombitz(13828)   on 2010-10-16 02:40:36 (Show Source): You can put this solution on YOUR website!The degree of the polynominal is , highest power of x. The degree of the first term is ,. The degree of the second term is ,. The degree of the third term is , . and the degree of the fourth term is , .
 Polynomials-and-rational-expressions/356911: Don't understand how to solve: x x --- - --- x-2 x+2 _______________ 2x x^2 ---- + ---- x-2 x-2 Please help!1 solutions Answer 254856 by Fombitz(13828)   on 2010-10-15 16:42:50 (Show Source): You can put this solution on YOUR website!First simplify, you also need a common denominator for the numerator. Numerator: LCD: . . . Denominator: . . . Now put it all together,
 Numeric_Fractions/356910: i have two questions for you whats the lowest common denominator of 3/4 and 5/8 also, 3/x^3y and 7/xy^41 solutions Answer 254855 by Fombitz(13828)   on 2010-10-15 16:33:40 (Show Source): You can put this solution on YOUR website!Between and , . Between and ,
 Linear-systems/356552: Solve the system algebraically by the substitution method: y= (x+1)^3 y= sq rt of (x-1)1 solutions Answer 254853 by Fombitz(13828)   on 2010-10-15 16:32:08 (Show Source): You can put this solution on YOUR website! . . . As you can see graphically, there is no solution (the curves never meet). . . . Since both expressions equal y set them equal to each other. Use a substitution, Let , . . . . . . As you can see there is no real solution for . All 6 solutions are complex. So then all 6 solutions for will also be complex. There are no real solutions.
 expressions/356909: i have to find the problem in the eyes of x How do I find: ax-b=c solve for x i tried: x=(c+b)divide a i have to find the problem in the eyes of m 4(m+1)=n solve for m i tried: m=n divide 4-1 thank you1 solutions Answer 254851 by Fombitz(13828)   on 2010-10-15 16:23:55 (Show Source): You can put this solution on YOUR website! Correct. . . . Correct. Well done.
 Signed-numbers/356895: what is 25a5b4c3 devided by 5a4bc21 solutions Answer 254849 by Fombitz(13828)   on 2010-10-15 16:21:35 (Show Source):
 Permutations/356906: How many five-digit zip codes contain exactly one zero?1 solutions Answer 254846 by Fombitz(13828)   on 2010-10-15 16:19:38 (Show Source): You can put this solution on YOUR website!0XXXX X0XXX XX0XX XXX0X XXXX0 If you allow X to vary from 1 to 9, then for each row you have choices. Since you have 5 rows,
 Numeric_Fractions/356900: divide m^2 n^3/ p^3 by mp/n^21 solutions Answer 254843 by Fombitz(13828)   on 2010-10-15 16:15:48 (Show Source):
 Finance/356902: I'm having a small problem with adding,multiplying,subtracting,and dividing fractions and i really want a good grade in algebra..help?1 solutions Answer 254842 by Fombitz(13828)   on 2010-10-15 16:12:37 (Show Source): You can put this solution on YOUR website!Adding and subtracting fractions-you need a common denominator. . . . Mutliplying fractions is easiest. Multiply numerators together. Multiply denominators together. Look for common factors in numerator and denominator and cancel them out to simplify. . . . . . Dividing by a fraction is the same as multiplying by its reciprocal. . .
 Numeric_Fractions/356885: please help me with reduce your fraction w^2+5w+6/ w^2-w-12 a. w-2/ w-4 b. w+2/w-4 c. w+2/ w+4 d. w-2/w+41 solutions Answer 254827 by Fombitz(13828)   on 2010-10-15 15:05:29 (Show Source):
 Graphs/356884: How to graph y=-3X1 solutions Answer 254825 by Fombitz(13828)   on 2010-10-15 15:03:16 (Show Source): You can put this solution on YOUR website!Find two points. Let (,) . . . Let (,) Plot the two points and connect them with a line.
 Conjunction/356883: Given the argument and its Euler diagram below, determine whether the syllogism is valid or invalid. 1 solutions Answer 254824 by Fombitz(13828)   on 2010-10-15 15:00:59 (Show Source): You can put this solution on YOUR website!No argument or diagram provided.
 Rectangles/356528: How do you find the width and the length of a rectangle when the perimeter is 35? please help thank you!!!1 solutions Answer 254823 by Fombitz(13828)   on 2010-10-15 15:00:26 (Show Source): You can put this solution on YOUR website!You can't because you'll have infinitely many answers. , is one solution. , is another. You need another equation that explains a relationship between and .
 Linear-equations/356880: Find a value for "a" that will give the following linear system no solution. 4ax + 5y = 10 2x - 3y = 91 solutions Answer 254822 by Fombitz(13828)   on 2010-10-15 14:56:36 (Show Source): You can put this solution on YOUR website!No solutions means the lines are parallel. The lines will be parallel when the x coefficients are in the same ratio as the y coefficients. . . .
 Polynomials-and-rational-expressions/356550: Simplify 2 time 3 to the 2nd power times 5 to the 4th power DIVIDED by 4 times 3 to the 3rd power times 5 to teh 2nd power1 solutions Answer 254820 by Fombitz(13828)   on 2010-10-15 14:42:30 (Show Source):
 Inequalities/356523: 8r - r/6 > 1/6 - 81 solutions Answer 254819 by Fombitz(13828)   on 2010-10-15 14:39:46 (Show Source):
 test/356518: 6z+6/z/z+1/z^31 solutions Answer 254817 by Fombitz(13828)   on 2010-10-15 14:37:21 (Show Source):
 Exponents/356516: (a^3/b-5)^-2 i was able to get (b^10/a^3) but it is wrong can someone help1 solutions Answer 254816 by Fombitz(13828)   on 2010-10-15 14:34:22 (Show Source):
 Systems-of-equations/356877: (17u^5y^3+10u^3y^2) / (-2u^5y^3)1 solutions Answer 254815 by Fombitz(13828)   on 2010-10-15 14:32:13 (Show Source):
 Functions/356491: Triangle ABC is inscribed in a semicircle of diameter a = 7 (see the figure). If x denotes the length of side AC, express the length y of side BC as a function of x. (Angle ACB is a right angle.) x^2+y^2=7^2 y=?1 solutions Answer 254813 by Fombitz(13828)   on 2010-10-15 14:30:15 (Show Source): You can put this solution on YOUR website!You're on the right track, keep going.
 Equations/356497: The sum of two numbers is 57. One of the numbers is 21. Which of the following equations could be used to find the other number? 1 solutions Answer 254811 by Fombitz(13828)   on 2010-10-15 14:25:19 (Show Source):
 Money_Word_Problems/356695: Five hundred tickets were sold for a fundraising dinner. the receipts totaled \$34000. adult tickets were \$7.50 each and childrens ticket were \$14 each. how many tickets of each type were sold?1 solutions Answer 254810 by Fombitz(13828)   on 2010-10-15 14:24:09 (Show Source): You can put this solution on YOUR website!Let be the number of adult tickets, the number of children's tickets. 1. 2. Multiply eq. 1 by (-14) and add to eq. 2 to eliminate and solve for . Something is wrong with your problem setup. The solution for A does not come out to be an integer which it needs to be. I also changed the problem around and made the adult tickets \$14 and the children's tickets \$7.50 with similar issues. Please re-check the problem and re-post.