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jim_thompson5910 answered: 28586 problems
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Radicals/545101: I Need Help Step By Step Please. (-----)= division symbol √a+√b --------- √a-√b 1 solutions Answer 355451 by jim_thompson5910(28598)   on 2011-12-10 19:00:54 (Show Source): You can put this solution on YOUR website! So 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

Inequalities/545086: solve the inequality -3≤(6-q)/(9)≤3 1 solutions Answer 355448 by jim_thompson5910(28598)   on 2011-12-10 18:55:09 (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

test/544267: x+3x=x+x+10 1 solutions Answer 355447 by jim_thompson5910(28598)   on 2011-12-10 18:52:39 (Show Source): You can put this solution on YOUR website! Start with the given equation. Combine like terms on the left side. Combine like terms on the right side. Subtract from both sides. Combine like terms on the left side. Divide both sides by to isolate . Reduce. ---------------------------------------------------------------------- Answer: So the solution is

test/544495: y(xy2)^2 1 solutions Answer 355443 by jim_thompson5910(28598)   on 2011-12-10 18:51:28 (Show Source): You can put this solution on YOUR website! y(xy2)^2 y(xy2)(xy2) y*(x*x*y^2*y^2) y*(x^2y^4) x^2y^5

test/544538: solve the inequality then graph the solution. x+8<15 1 solutions Answer 355442 by jim_thompson5910(28598)   on 2011-12-10 18:50:46 (Show Source): You can put this solution on YOUR website! x+8 < 15 x < 15-8 x < 7 To graph, draw a number line, draw an open circle at x = 7 and shade everything to the left of this open circle.

test/544699: Write an equation for the line that passes through (2,1) and (3,5) 1 solutions Answer 355440 by jim_thompson5910(28598)   on 2011-12-10 18:49:45 (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. 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

test/545004: 6=m/3-9 1 solutions Answer 355438 by jim_thompson5910(28598)   on 2011-12-10 18:49:13 (Show Source): You can put this solution on YOUR website! 6=m/3-9 6+9=m/3 15=m/3 15*3=m 45=m m = 45

test/545084: f(x)=-x2-2x+3 1 solutions Answer 355437 by jim_thompson5910(28598)   on 2011-12-10 18:48:42 (Show Source): You can put this solution on YOUR website! What do you want to do here? Please post full instructions.

Distributive-associative-commutative-properties/544317: which would this be ? Communitive ,Assositive , Distribuation ,or Substitution ? y+[-8y+(-4z)]=[y+(-8y)]+(-4z) 1 solutions Answer 355436 by jim_thompson5910(28598)   on 2011-12-10 18:47:30 (Show Source): You can put this solution on YOUR website! This is the associative property of addition.

expressions/541839: Evaluate 6-2*3squared 1 solutions Answer 355435 by jim_thompson5910(28598)   on 2011-12-10 18:46:37 (Show Source): You can put this solution on YOUR website! 6-2*3^2 6-2*9 6-18 -12 So 6-2*3^2 = -12

expressions/544033: 3/4x-2/3=5+1/2x 1 solutions Answer 355434 by jim_thompson5910(28598)   on 2011-12-10 18:45:37 (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. Add to 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 . ---------------------------------------------------------------------- Answer: So the solution is

expressions/544185: 15-x=18 1 solutions Answer 355433 by jim_thompson5910(28598)   on 2011-12-10 18:45:00 (Show Source): You can put this solution on YOUR website! Start with the given equation. Subtract from both sides. Combine like terms on the right side. Divide both sides by to isolate . Reduce. ---------------------------------------------------------------------- Answer: So the solution is

Numeric_Fractions/544226: what is 450/720 in lowest terms? 1 solutions Answer 355432 by jim_thompson5910(28598)   on 2011-12-10 18:43:46 (Show Source): You can put this solution on YOUR website! The GCF of 450 and 720 is 90. So divide each component by 90 to get 450/720 = 5/8

Numeric_Fractions/544281: What is 3/5 minus 1/8 in fraction form? 1 solutions Answer 355431 by jim_thompson5910(28598)   on 2011-12-10 18:42:59 (Show Source): You can put this solution on YOUR website! Solved by pluggable solver: Fractions Solver Start with the given expression In order to subtract these two fractions, these fractions need to have a common denominator. In order to do that, we simply find that the LCM of 5 and 8 is 40 (note: if you need help with finding the LCM, check out this solver) Now we need to get each denominator to 40 Multiply by Multiply and to get Multiply by Multiply and to get Since both fractions have a common denominator of 40, we can now combine the fractions Combine the fractions Subtract the numerators So

Linear-equations/544025: SOLVE -4z= -3(6-2z) + 3z 1 solutions Answer 355429 by jim_thompson5910(28598)   on 2011-12-10 18:41:45 (Show Source): You can put this solution on YOUR website! Start with the given equation. Distribute. Combine like terms on the right side. 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/544686: What is the property of equality of If 3(x-5/3)=1, then 3x-5=1 1 solutions Answer 355428 by jim_thompson5910(28598)   on 2011-12-10 18:41:03 (Show Source): You can put this solution on YOUR website! This is the distributive property

Linear-equations/545007: Please help me solve this: Write the equation of the graph passing through the points (-4,5) and (-2,3). 1 solutions Answer 355427 by jim_thompson5910(28598)   on 2011-12-10 18:40:20 (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 Rewrite as Distribute Multiply Add 5 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/544623: 4z=-4(6z-12) 1 solutions Answer 355426 by jim_thompson5910(28598)   on 2011-12-10 18:39:36 (Show Source): You can put this solution on YOUR website! Start with the given equation. Distribute. Add to both sides. Combine like terms on the left side. Divide both sides by to isolate . Reduce. ---------------------------------------------------------------------- Answer: So the solution is

Inequalities/544990: I really need help with solving 3-step equations can you please tell me the answer to 2r+5(3r+1)-< 7+3(r-6)-12 Give me the steps I have to show my work. 1 solutions Answer 355425 by jim_thompson5910(28598)   on 2011-12-10 18:39:17 (Show Source): You can put this solution on YOUR website! Start with the given inequality. Distribute. Combine like terms on the left side. Combine like terms on the right side. 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

Equations/544683: what is 4x+6y=24? 1 solutions Answer 355422 by jim_thompson5910(28598)   on 2011-12-10 18:38:20 (Show Source): You can put this solution on YOUR website! Solving for y: Start with the given equation. Subtract from both sides. Rearrange the terms. Divide both sides by to isolate y. Break up the fraction. Reduce. So the equation is now in slope intercept form where the slope is and the y-intercept is note: the y-intercept is the point

Equations/544998: y-3/3y+4=1/8 Solve for y 1 solutions Answer 355420 by jim_thompson5910(28598)   on 2011-12-10 18:37:23 (Show Source): You can put this solution on YOUR website! Start with the given equation Cross multiply Distribute. Add to 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 . ---------------------------------------------------------------------- Answer: So the solution is

Equations/544425: what is the solution ? 10-3p = 2 +5p 1 solutions Answer 355085 by jim_thompson5910(28598)   on 2011-12-08 21:26:04 (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

Linear-equations/544391: how do you graph: y=1/2x +3 1 solutions Answer 355067 by jim_thompson5910(28598)   on 2011-12-08 20:29:09 (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 2. This means that to go from point to point, we can go up 1 and over 2 So starting at , go up 1 unit and to the right 2 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

Equations/544376: what is the solution to this -2m = 16 - m 1 solutions Answer 355064 by jim_thompson5910(28598)   on 2011-12-08 20:08:49 (Show Source): You can put this solution on YOUR website! Start with the given equation. Add to 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-systems/544364: need help graphing y=5x-2 1 solutions Answer 355063 by jim_thompson5910(28598)   on 2011-12-08 20:06:41 (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 5 and the run is 1. This means that to go from point to point, we can go up 5 and over 1 So starting at , go up 5 units and to the right 1 unit 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

Equations/543036: 3P-15= TYPE IN FACTORED FORM 1 solutions Answer 354940 by jim_thompson5910(28598)   on 2011-12-07 23:16:02 (Show Source): You can put this solution on YOUR website! 3P-15=3(P-5) 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/543277: which expression is equivalent to 3(4r-9) 12r + 9 12r-9 12r + 27 12r-27 1 solutions Answer 354939 by jim_thompson5910(28598)   on 2011-12-07 23:14:32 (Show Source): You can put this solution on YOUR website! 3(4r-9) 3(4r)+3(-9) 12r-27 So 3(4r-9)=12r-27 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/543455: I sometimes forget to write my equation without the 1 in front of the variable and my teacher marks it wrong. After showing all my work and getting the right equation I get the problem wrong! Is it wrong to write 1x + 5y = 6 instead of x + 5y = 6? 1 solutions Answer 354938 by jim_thompson5910(28598)   on 2011-12-07 23:13:28 (Show Source): You can put this solution on YOUR website! 1x = x for all values of x, so 1x is the same as x. However, it's considered more simplified to write x instead of 1x.

Equations/543596: 3+-2(t+3)=t 1 solutions Answer 354937 by jim_thompson5910(28598)   on 2011-12-07 23:10:58 (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. 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

Equations/543648: What is an eqaution of the line that passes through the points (4,-3) and (-4,7)? 1 solutions Answer 354936 by jim_thompson5910(28598)   on 2011-12-07 23:10:10 (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 Rewrite as Distribute Multiply Subtract 3 from both sides. Combine like terms. So the equation that goes through the points and 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

Complex_Numbers/543830: Express in terms of i. sqrt-8, simplify your answer and put in form a + bi. 1 solutions Answer 354935 by jim_thompson5910(28598)   on 2011-12-07 23:07:30 (Show Source): You can put this solution on YOUR website! So 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