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jim_thompson5910 answered: 28537 problems
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Linear-equations/537432: Given the function g described by g(x)=2x find the following g(-10)= g(18)= g(33)= 1 solutions Answer 352980 by jim_thompson5910(28548)   on 2011-11-28 13:10:23 (Show Source): You can put this solution on YOUR website! g(-10)=2(-10) = -20 g(18)=2(18) = 36 g(33)=2(33) = 66 If you need more help, email me at jim_thompson5910@hotmail.com Also, please consider visiting my website: http://www.freewebs.com/jimthompson5910/home.html and making a donation. Thank you Jim

Linear-equations/537629: Write the equation of the line in slope-intercept form with a slope of 2 and a y-intercept of –3. 1 solutions Answer 352979 by jim_thompson5910(28548)   on 2011-11-28 13:09:22 (Show Source): You can put this solution on YOUR website! y = mx+b y = 2x-3 Note: m = 2 and b = -3 If you need more help, email me at jim_thompson5910@hotmail.com Also, please consider visiting my website: http://www.freewebs.com/jimthompson5910/home.html and making a donation. Thank you Jim

Distributive-associative-commutative-properties/534235: how do i solve 6-6(3x-4)=-60 1 solutions Answer 352977 by jim_thompson5910(28548)   on 2011-11-28 13:08:19 (Show Source): You can put this solution on YOUR website! Start with the given equation. Distribute. Combine like terms on the left side. Subtract from both sides. Combine like terms on the right side. Divide both sides by to isolate . Reduce. ---------------------------------------------------------------------- Answer: So the solution is If you need more help, email me at jim_thompson5910@hotmail.com Also, please consider visiting my website: http://www.freewebs.com/jimthompson5910/home.html and making a donation. Thank you Jim

Distributive-associative-commutative-properties/536288: Use the intercepts to grapg the equation. x + 4y = 8 1 solutions Answer 352976 by jim_thompson5910(28548)   on 2011-11-28 13:07:37 (Show Source): You can put this solution on YOUR website! x-intercept To find the x-intercept, plug in and solve for x Start with the given equation. Plug in . Multiply and 0 to get 0. Simplify. So the x-intercept is . ------------------------------------------ y-intercept To find the y-intercept, plug in and solve for y Start with the given equation. Plug in . Simplify. Divide both sides by to isolate . Reduce. So the y-intercept is . Now let's plot the points and which are the x and y intercepts respectively. Now draw a straight line through the plotted points to graph . Graph of If you need more help, email me at jim_thompson5910@hotmail.com Also, please consider visiting my website: http://www.freewebs.com/jimthompson5910/home.html and making a donation. Thank you Jim

Equations/537570: I can't find the answer for 2/5h -7 = 12/5h - 2h + 3 1 solutions Answer 352975 by jim_thompson5910(28548)   on 2011-11-28 13:06:16 (Show Source): You can put this solution on YOUR website! Start with the given equation. Multiply both sides by the LCD to clear any fractions. Distribute and multiply. Combine like terms on the right side. Add to both sides. Subtract from both sides. Combine like terms on the left side. Combine like terms on the right side. Simplify. Since this equation is NEVER true for any h value, this means that there are no solutions. If you need more help, email me at jim_thompson5910@hotmail.com Also, please consider visiting my website: http://www.freewebs.com/jimthompson5910/home.html and making a donation. Thank you Jim

Equations/537625: What is the solution of the equation 7(x – 2) + 8 = 3(2x + 3)? 1 solutions Answer 352974 by jim_thompson5910(28548)   on 2011-11-28 13:05:15 (Show Source): You can put this solution on YOUR website! Start with the given equation. Distribute. Combine like terms on the left side. Add to both sides. Subtract from both sides. Combine like terms on the left side. Combine like terms on the right side. ---------------------------------------------------------------------- Answer: So the solution is If you need more help, email me at jim_thompson5910@hotmail.com Also, please consider visiting my website: http://www.freewebs.com/jimthompson5910/home.html and making a donation. Thank you Jim

Equations/537730: what is teh slope of 2x+y=3 1 solutions Answer 352973 by jim_thompson5910(28548)   on 2011-11-28 13:04:44 (Show Source): You can put this solution on YOUR website! Solve for y: 2x+y=3 y=3-2x y = -2x+3 The equation is now in y = mx+b form where m is the slope. Since m = -2, the slope is -2. If you need more help, email me at jim_thompson5910@hotmail.com Also, please consider visiting my website: http://www.freewebs.com/jimthompson5910/home.html and making a donation. Thank you Jim

Equations/537728: solve -8x - 45 = 2 - 15x 1 solutions Answer 352972 by jim_thompson5910(28548)   on 2011-11-28 13:02:36 (Show Source): You can put this solution on YOUR website! Start with the given equation. Add to both sides. Add to both sides. Combine like terms on the left side. Combine like terms on the right side. Divide both sides by to isolate . ---------------------------------------------------------------------- Answer: So the solution is If you need more help, email me at jim_thompson5910@hotmail.com Also, please consider visiting my website: http://www.freewebs.com/jimthompson5910/home.html and making a donation. Thank you Jim

percentage/537727: 10% off £28 1 solutions Answer 352971 by jim_thompson5910(28548)   on 2011-11-28 13:00:10 (Show Source): You can put this solution on YOUR website! 10% of 28 is 0.1*28 = 2.8 So 10% off of 28 is 28 - 2.8 = 25.2 If you need more help, email me at jim_thompson5910@hotmail.com Also, please consider visiting my website: http://www.freewebs.com/jimthompson5910/home.html and making a donation. Thank you Jim

Linear-equations/537672: what is the slope intercept equation of the line passing through the points (1,7) and (3,3) 1 solutions Answer 352969 by jim_thompson5910(28548)   on 2011-11-28 12:57:04 (Show Source): You can put this solution on YOUR website! First let's find the slope of the line through the points and Note: is the first point . So this means that and . Also, is the second point . So this means that and . Start with the slope formula. Plug in , , , and Subtract from to get Subtract from to get Reduce So the slope of the line that goes through the points and is Now let's use the point slope formula: Start with the point slope formula Plug in , , and Distribute Multiply Add 7 to both sides. Combine like terms. So the equation that goes through the points and is Notice how the graph of goes through the points and . So this visually verifies our answer. Graph of through the points and If you need more help, email me at jim_thompson5910@hotmail.com Also, please consider visiting my website: http://www.freewebs.com/jimthompson5910/home.html and making a donation. Thank you Jim

Equations/537718: Write equations for the horizontal and vertical lines passing through the point (-6,3) 1 solutions Answer 352968 by jim_thompson5910(28548)   on 2011-11-28 12:54:40 (Show Source): You can put this solution on YOUR website! Horizontal lines are of the form y = y1, where y1 is some number. Since the y coordinate here is 3, this means that y1 = 3 So the equation of the horizontal line is y = 3 Using the same logic, you'll find that the equation of the vertical line is x = -6 If you need more help, email me at jim_thompson5910@hotmail.com Also, please consider visiting my website: http://www.freewebs.com/jimthompson5910/home.html and making a donation. Thank you Jim

Square-cubic-other-roots/537709: what is the square root of 172.8? 1 solutions Answer 352967 by jim_thompson5910(28548)   on 2011-11-28 12:52:56 (Show Source): You can put this solution on YOUR website! Using a calculator, If you need more help, email me at jim_thompson5910@hotmail.com Also, please consider visiting my website: http://www.freewebs.com/jimthompson5910/home.html and making a donation. Thank you Jim

Equations/537722: The value of x is 6,what is the value of m? 7x-12= 5x+m 1 solutions Answer 352965 by jim_thompson5910(28548)   on 2011-11-28 12:51:46 (Show Source): You can put this solution on YOUR website! 7x-12= 5x+m 7(6)-12= 5(6)+m 42-12 = 30+m 30 = 30+m 30-30 = m 0 = m m = 0 If you need more help, email me at jim_thompson5910@hotmail.com Also, please consider visiting my website: http://www.freewebs.com/jimthompson5910/home.html and making a donation. Thank you Jim

Equations/537714: solve please -36x/24x= 1 solutions Answer 352964 by jim_thompson5910(28548)   on 2011-11-28 12:50:49 (Show Source): You can put this solution on YOUR website! -36x/24x = (-36/24)(x/x) = (-3/2)(1) = -3/2 So -36x/24x = -3/2 If you need more help, email me at jim_thompson5910@hotmail.com Also, please consider visiting my website: http://www.freewebs.com/jimthompson5910/home.html and making a donation. Thank you Jim

Equations/537721: Please solve. 4(x+2)= 1 solutions Answer 352963 by jim_thompson5910(28548)   on 2011-11-28 12:49:33 (Show Source): You can put this solution on YOUR website! Use the distributive property to get 4(x+2) = 4(x)+4(2) = 4x+8 So 4(x+2) = 4x+8 If you need more help, email me at jim_thompson5910@hotmail.com Also, please consider visiting my website: http://www.freewebs.com/jimthompson5910/home.html and making a donation. Thank you Jim

Radicals/537720: how to solve: .1=1/sqr root of n 1 solutions Answer 352962 by jim_thompson5910(28548)   on 2011-11-28 12:48:46 (Show Source): You can put this solution on YOUR website! If you need more help, email me at jim_thompson5910@hotmail.com Also, please consider visiting my website: http://www.freewebs.com/jimthompson5910/home.html and making a donation. Thank you Jim

Equations/537719: 1/5n + 4/5n + -1/5n= 1 solutions Answer 352961 by jim_thompson5910(28548)   on 2011-11-28 12:47:48 (Show Source): You can put this solution on YOUR website! 1/5n + 4/5n + -1/5n 1/5n + 4/5n - 1/5n (1/5+4/5-1/5)n 4/5n If you need more help, email me at jim_thompson5910@hotmail.com Also, please consider visiting my website: http://www.freewebs.com/jimthompson5910/home.html and making a donation. Thank you Jim

logarithm/537712: I want to factorise this polynom x^3 - 8 The answer should be (x - 2 )(x^2 + 2x + 4) I want to know the method please Thank you 1 solutions Answer 352960 by jim_thompson5910(28548)   on 2011-11-28 12:46:23 (Show Source): You can put this solution on YOUR website! Start with the given expression. Rewrite as . Rewrite as . Now factor by using the difference of cubes formula. Remember the difference of cubes formula is Multiply ----------------------------------- Answer: So factors to . In other words, If you need more help, email me at jim_thompson5910@hotmail.com Also, please consider visiting my website: http://www.freewebs.com/jimthompson5910/home.html and making a donation. Thank you Jim

test/537386: PLease Help Me Solve this problem:A formula from anthropology says that C=100b/L. Find L if c =100 and b=9 1 solutions Answer 352846 by jim_thompson5910(28548)   on 2011-11-27 18:58:34 (Show Source): You can put this solution on YOUR website! C=100b/L LC=100b L = 100b/C L = 100(9)/100 L = 900/100 L = 9 So the answer is L = 9 If you need more help, email me at jim_thompson5910@hotmail.com Also, please consider visiting my website: http://www.freewebs.com/jimthompson5910/home.html and making a donation. Thank you Jim

Polynomials-and-rational-expressions/537375: Use the quadratic formula to solve the equation x^2+6x+25=0 1 solutions Answer 352844 by jim_thompson5910(28548)   on 2011-11-27 18:50:57 (Show Source): You can put this solution on YOUR website! Start with the given equation. Notice that the quadratic is in the form of where , , and Let's use the quadratic formula to solve for "x": Start with the quadratic formula Plug in , , and Square to get . Multiply to get Subtract from to get Multiply and to get . Take the square root of to get . or Break up the expression. or Break up the fraction for each case. or Reduce. So the solutions are or If you need more help, email me at jim_thompson5910@hotmail.com Also, please consider visiting my website: http://www.freewebs.com/jimthompson5910/home.html and making a donation. Thank you Jim

Functions/537382: -8 ___ find the decimal notation for the fraction 7 1 solutions Answer 352843 by jim_thompson5910(28548)   on 2011-11-27 18:50:05 (Show Source): You can put this solution on YOUR website! Using a calculator,

Coordinate-system/537362: how would you graph y=1/3x+1? 1 solutions Answer 352830 by jim_thompson5910(28548)   on 2011-11-27 18:26:14 (Show Source): You can put this solution on YOUR website! Looking at we can see that the equation is in slope-intercept form where the slope is and the y-intercept is Since this tells us that the y-intercept is .Remember the y-intercept is the point where the graph intersects with the y-axis So we have one point Now since the slope is comprised of the "rise" over the "run" this means Also, because the slope is , this means: which shows us that the rise is 1 and the run is 3. This means that to go from point to point, we can go up 1 and over 3 So starting at , go up 1 unit and to the right 3 units to get to the next point Now draw a line through these points to graph So this is the graph of through the points and If you need more help, email me at jim_thompson5910@hotmail.com Also, please consider visiting my website: http://www.freewebs.com/jimthompson5910/home.html and making a donation. Thank you Jim

Linear-equations/537345: how do i write y+1=1/3(x-4)in slope intercept form 1 solutions Answer 352829 by jim_thompson5910(28548)   on 2011-11-27 18:24:14 (Show Source): You can put this solution on YOUR website! The equation is now in y = mx+b form where and If you need more help, email me at jim_thompson5910@hotmail.com Also, please consider visiting my website: http://www.freewebs.com/jimthompson5910/home.html and making a donation. Thank you Jim

Polynomials-and-rational-expressions/537304: Hello, I need to find the domain to this equation x^2+18/x^2-4x-5 1 solutions Answer 352792 by jim_thompson5910(28548)   on 2011-11-27 17:11:03 (Show Source): You can put this solution on YOUR website! Hint: you CANNOT divide by zero. So to avoid dividing by zero, you must take out or exclude the values of x which make the denominator equal to zero.

Linear-equations/537288: what is the equation of a line that contains the points (1,1) and (3, 9) 1 solutions Answer 352790 by jim_thompson5910(28548)   on 2011-11-27 16:58:56 (Show Source): You can put this solution on YOUR website! First let's find the slope of the line through the points and Note: is the first point . So this means that and . Also, is the second point . So this means that and . Start with the slope formula. Plug in , , , and Subtract from to get Subtract from to get Reduce So the slope of the line that goes through the points and is Now let's use the point slope formula: Start with the point slope formula Plug in , , and Distribute Multiply Add 1 to both sides. Combine like terms. Simplify So the equation that goes through the points and is Notice how the graph of goes through the points and . So this visually verifies our answer. Graph of through the points and If you need more help, email me at jim_thompson5910@hotmail.com Also, please consider visiting my website: http://www.freewebs.com/jimthompson5910/home.html and making a donation. Thank you Jim

Equations/537294: m^2-m=6 =m^2-m-6=0 I need details on the solution please 1 solutions Answer 352789 by jim_thompson5910(28548)   on 2011-11-27 16:58:28 (Show Source): You can put this solution on YOUR website! Start with the given equation. Notice that the quadratic is in the form of where , , and Let's use the quadratic formula to solve for "m": Start with the quadratic formula Plug in , , and Negate to get . Square to get . Multiply to get Rewrite as Add to to get Multiply and to get . Take the square root of to get . or Break up the expression. or Combine like terms. or Simplify. So the solutions are or If you need more help, email me at jim_thompson5910@hotmail.com Also, please consider visiting my website: http://www.freewebs.com/jimthompson5910/home.html and making a donation. Thank you Jim

Quadratic_Equations/537287: Write a quadratic equation that has integer coefficients and has as solutions the given pair of numbers. (Use x as the variable.) 9 and 1 1 solutions Answer 352785 by jim_thompson5910(28548)   on 2011-11-27 16:49:23 (Show Source): You can put this solution on YOUR website! or Start with the given solutions. or Get everything to one side so that only 0 remains on the right side (for both equations). Use the zero product property to combine the equations. FOIL out the left side. So the answer is To check your work, simply solve for x. Doing so will show you that the solutions are or , which confirm the answer. If you need more help, email me at jim_thompson5910@hotmail.com Also, please consider visiting my website: http://www.freewebs.com/jimthompson5910/home.html and making a donation. Thank you Jim

Polynomials-and-rational-expressions/537284: 3/4x = 5x/12 - 1 1 solutions Answer 352784 by jim_thompson5910(28548)   on 2011-11-27 16:40:36 (Show Source): You can put this solution on YOUR website! Start with the given equation. Multiply both sides by the LCD to clear any fractions. Distribute and multiply. Subtract from both sides. Combine like terms on the left side. Divide both sides by to isolate . Reduce. ---------------------------------------------------------------------- Answer: So the solution is If you need more help, email me at jim_thompson5910@hotmail.com Also, please consider visiting my website: http://www.freewebs.com/jimthompson5910/home.html and making a donation. Thank you Jim

Linear-equations/537271: What is the slope of the equation: 2y-x=37 1 solutions Answer 352777 by jim_thompson5910(28548)   on 2011-11-27 16:17:29 (Show Source): You can put this solution on YOUR website! Solve for y 2y-x=37 2y=x+37 y = 1/2x+37/2 So after solving for y, we get and we can see the equation is in y = mx+b form where m is the slope. Since m = 1/2, the slope is 1/2 (one-half) If you need more help, email me at jim_thompson5910@hotmail.com Also, please consider visiting my website: http://www.freewebs.com/jimthompson5910/home.html and making a donation. Thank you Jim

Linear-equations/537259: an equation that goes through the point (1, 5) and has a slope of 2/3 1 solutions Answer 352767 by jim_thompson5910(28548)   on 2011-11-27 15:57:22 (Show Source): You can put this solution on YOUR website! y-y1 = m(x-x1) y-5=(2/3)(x-1) y-5=(2/3)x-(2/3)(1) y-5=(2/3)x-2/3 y=(2/3)x-2/3+5 y=(2/3)x+13/3 So the answer is If you need more help, email me at jim_thompson5910@hotmail.com Also, please consider visiting my website: http://www.freewebs.com/jimthompson5910/home.html and making a donation. Thank you Jim

Equations/537171: Help solve equation 3x + 3=x+9 1 solutions Answer 352744 by jim_thompson5910(28548)   on 2011-11-27 13:17:49 (Show Source): You can put this solution on YOUR website! Start with the given equation. Subtract from both sides. Subtract from both sides. Combine like terms on the left side. Combine like terms on the right side. Divide both sides by to isolate . Reduce. ---------------------------------------------------------------------- Answer: So the solution is If you need more help, email me at jim_thompson5910@hotmail.com Also, please consider visiting my website: http://www.freewebs.com/jimthompson5910/home.html and making a donation. Thank you Jim