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# Recent problems solved by 'Fombitz'

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 Exponential-and-logarithmic-functions/327302: y=-log4(x+4) State the equation of the line asymptotic to the graph ( if any).1 solutions Answer 234438 by Fombitz(13828)   on 2010-07-30 22:26:39 (Show Source): You can put this solution on YOUR website! Asymptote at .
 Exponential-and-logarithmic-functions/327309: where does this function cross the x-axis and describe the end behaviors? f(x)=(x-1)^3 (x+1)1 solutions Answer 234437 by Fombitz(13828)   on 2010-07-30 22:24:32 (Show Source): You can put this solution on YOUR website! Use the zero product property. Two solutions. . . . . . .
 Linear-systems/327236: solve 4X + Y = 22 , 2X + 3Y = 16 1 solutions Answer 234436 by Fombitz(13828)   on 2010-07-30 22:22:24 (Show Source): You can put this solution on YOUR website!1. 2. Multiply eq. 2 by -2 and add to eq. 1, Now use either equation to solve for x.
 Exponential-and-logarithmic-functions/327300: Graph the function. F(x)= 5^(2x-2)1 solutions Answer 234432 by Fombitz(13828)   on 2010-07-30 22:18:44 (Show Source):
 Linear-equations/327257: show a graph for the quadratic equation y=/-3x/.1 solutions Answer 234430 by Fombitz(13828)   on 2010-07-30 22:17:40 (Show Source): You can put this solution on YOUR website!It's not quadratic it's a linear equation . . . .
 Radicals/327250: I need help with step by step of simplifying this expression: (2^6+3)(3^6+7)1 solutions Answer 234429 by Fombitz(13828)   on 2010-07-30 22:16:19 (Show Source):
 Geometric_formulas/327304: x2 + 5x + 100=1801 solutions Answer 234428 by Fombitz(13828)   on 2010-07-30 22:12:14 (Show Source): You can put this solution on YOUR website! Use the quadratic formula,
 Equations/327205: perform the operation and simplify a+3/a^2-a-2 - a-4/a^2-2a-31 solutions Answer 234361 by Fombitz(13828)   on 2010-07-30 16:49:54 (Show Source): You can put this solution on YOUR website! Use a common denominator,
 real-numbers/327161: Prove: For all real numbers a,b and c, if a+c=b+c, then a=b1 solutions Answer 234359 by Fombitz(13828)   on 2010-07-30 16:38:21 (Show Source): You can put this solution on YOUR website!You can't prove it. It an identity that forms the foundation of mathematics. . . . It's like saying prove in baseball that 3 strikes are an out. You can't do it, it's given as a rule.
 real-numbers/327209: can you give me some number and number system question ? need now !!!!!!!!!!!!!!111 solutions Answer 234358 by Fombitz(13828)   on 2010-07-30 16:34:14 (Show Source): You can put this solution on YOUR website!Can you be more specific?
 Quadratic_Equations/327120: The percentage of the U.S. population that is foreign born are listed in the table year / Percent _______________ 1950 / 6.9 1960 / 5.4 1970 / 4.8 1980 / 6.2 1990 / 7.9 2000 / 10.4 Let f(t) represent the percentage of the U.S. population that is foreign born t years since 1950. Find a reasonable quadratic model for f(t). 1 solutions Answer 234357 by Fombitz(13828)   on 2010-07-30 16:33:10 (Show Source): You can put this solution on YOUR website!I plotted the points in Excel and use their polynomial trendline fitting routine. where x is the year, y is the percentage.
 Graphs/327137: How to Graph f: x---> |x|+2 with domain D={-2,-1,0,1,2}1 solutions Answer 234355 by Fombitz(13828)   on 2010-07-30 16:28:27 (Show Source): You can put this solution on YOUR website!, : (-2,4) , : (-1,3) , : (0,2) , : (1,3) , : (2,4) . . .
 Functions/327226: If f(x)=1-3x and g(x)= 1/(x^2+1), find f(g(0)) and g(f(1))1 solutions Answer 234353 by Fombitz(13828)   on 2010-07-30 16:25:37 (Show Source): You can put this solution on YOUR website! . . .
 Equations/327143: a+3/a^2-a-2 - a4/a^2-2a-31 solutions Answer 234352 by Fombitz(13828)   on 2010-07-30 16:23:01 (Show Source): You can put this solution on YOUR website!In the second term "a4", does that mean or did you forget a {+/-) operator?
 Linear-systems/327203: find an equation in standard form of the line: a. through (2,-2) and (4,4) b. perpendicular to y=x+5 and through (0,8)1 solutions Answer 234350 by Fombitz(13828)   on 2010-07-30 16:18:52 (Show Source): You can put this solution on YOUR website!a) Find the slope. Now use the slope intercept form, and use either point to solve for b. . . . . . . Perpendicular lines have slopes that are negative reciprocals. Use the point (0,8) to solve for b.
 Equations/327195: How do you solve this? 6+4(9+6)-8/4+8=1 solutions Answer 234349 by Fombitz(13828)   on 2010-07-30 16:13:56 (Show Source): You can put this solution on YOUR website!Use PEMDAS for order of operations. P(parentheses): No E(exponentiation) MD(mult/division): AS(add/subtraction):
 Linear-equations/327221: 10-2y=6x1 solutions Answer 234347 by Fombitz(13828)   on 2010-07-30 16:11:43 (Show Source): You can put this solution on YOUR website!Yes, but what's the question!?
 Linear-equations/327186: graph the following function f(x)= 1/x-41 solutions Answer 234346 by Fombitz(13828)   on 2010-07-30 16:11:22 (Show Source):
 Equations/327197: Please show me the solution of the following problem: Two people start driving towards each other, starting from two towns 100 miles apart. If one person travels 30 miles per hour and the other person travels 20 miles per hour, how long will it take until they meet? please send to mague_sarming@yahoo.com1 solutions Answer 234345 by Fombitz(13828)   on 2010-07-30 16:10:48 (Show Source): You can put this solution on YOUR website!Rate*Time=DIstance First person: Second person: Find hours.
 Equations/327201: factor if possible 7y^4-71 solutions Answer 234343 by Fombitz(13828)   on 2010-07-30 16:08:44 (Show Source):
 Trigonometry-basics/327204: how do you solve cosecant, secnt, cotangent problems,such as b=3 c=5 and cosΘ=? please explain the process and how you could solve "WITHOUT" using a TI-83 calucator!!!!!!1 solutions Answer 234342 by Fombitz(13828)   on 2010-07-30 16:07:58 (Show Source): You can put this solution on YOUR website!If I knew what b and c where, there might be a chance to explain. Please elaborate and re-post. Attach a figure if possible.
 Mixture_Word_Problems/327202: factor if possible 2u^2 + 14u + 241 solutions Answer 234341 by Fombitz(13828)   on 2010-07-30 16:06:38 (Show Source):
 Probability-and-statistics/327207: The demand for apple pies at the bakery is shown in the table. What is the probability that the demand next Saturday will be 9 apple pies or more? Demand for Apple Pies on Saturday/ Probability 4 / .01 5 / .03 6 / .07 7 / .12 8 / .25 9 / .26 10 / .17 11 / .05 12 / .04 = 1.00 a. .26 b. .74 c. .75 d. .48 e. .52 1 solutions Answer 234340 by Fombitz(13828)   on 2010-07-30 16:05:57 (Show Source): You can put this solution on YOUR website!P(9 or 10 or 11 or 12)=
 Mixture_Word_Problems/327218: How much of an 18% solution of sulfuric acid should be added to 360 mL of a 10% solution to obtain a 15% solution? Thank you for all your help.1 solutions Answer 234339 by Fombitz(13828)   on 2010-07-30 16:04:19 (Show Source): You can put this solution on YOUR website!Let X be the amount of 18% solution. . . . 600 ml of 18% solution.
 Complex_Numbers/327215: simplify complex fraction p^2-25/9pt /p^2+7p+10/3pt1 solutions Answer 234338 by Fombitz(13828)   on 2010-07-30 16:02:24 (Show Source): You can put this solution on YOUR website!Dividing by a fraction is the same as multiplying by its reciprocal,
 Linear-systems/327213: Solve by the addition method. x-y=15 x+y=71 solutions Answer 234336 by Fombitz(13828)   on 2010-07-30 15:58:55 (Show Source): You can put this solution on YOUR website!Add the equations to eliminate y. Then use either equation to solve for y.
 Mixture_Word_Problems/327212: f(x)= -2/3x-5 for what value of f(x)= 51 solutions Answer 234335 by Fombitz(13828)   on 2010-07-30 15:56:59 (Show Source):
 Equations/327210: find the slope and the y intercept 7x+24=-42y1 solutions Answer 234334 by Fombitz(13828)   on 2010-07-30 15:55:50 (Show Source): You can put this solution on YOUR website!Convert to slope-intercept form, . . . Slope: Intercept: