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 Linear-equations/538093: What is y=-3/2+3 ?1 solutions Answer 353117 by rfer(13569)   on 2011-11-28 20:30:04 (Show Source): You can put this solution on YOUR website!y=-3/2+6/2 y=3/2 y=1 1/2
 test/538115: -6/10 times 15/91 solutions Answer 353115 by rfer(13569)   on 2011-11-28 20:27:41 (Show Source): You can put this solution on YOUR website!=-90/90=-1
 Volume/538016: what should the radius of a cone be with a volume of 8 and a height of 6 be?1 solutions Answer 353071 by rfer(13569)   on 2011-11-28 19:00:55 (Show Source): You can put this solution on YOUR website!V=pir^2h/3 8=(3.14*r^2*6)/3 8*3=18.84r^2 24/18.84=r^2 1.27=r^2 r=1.129 units
 Pythagorean-theorem/538017: I have a right angle side A is 12 ft. and side B is 20 ft. what is side C opposite angle of 90 degrees?1 solutions Answer 353067 by rfer(13569)   on 2011-11-28 18:56:03 (Show Source): You can put this solution on YOUR website!a^2+b^2=c^2 144+400=c^2 544=c^2 c=23.3 ft
 Problems-with-consecutive-odd-even-integers/538012: Eighteen more than the square of an integer is 43. What is the integer?1 solutions Answer 353064 by rfer(13569)   on 2011-11-28 18:54:09 (Show Source): You can put this solution on YOUR website!x^2+18=43 x^2=43-18 x^2=25 x=5
 Angles/538002: The complement of an angle measures 20 degrees more than the angle. Find the number of degrees in the angle. 1 solutions Answer 353063 by rfer(13569)   on 2011-11-28 18:52:53 (Show Source): You can put this solution on YOUR website!x+x+20=90 2x=90-20 2x=70 x=70/2 x=35 x+20=55
 test/537998: Adding and subtracting rational expressions. 3/x plus 2 equals 7/x1 solutions Answer 353060 by rfer(13569)   on 2011-11-28 18:49:17 (Show Source): You can put this solution on YOUR website!3/x+2=7/x 2=7/x-3/x 2=4/x 2x=4 x=4/2 x=2
 Proportions/537991: I would like help solving: 1/y-3=3/y-51 solutions Answer 353059 by rfer(13569)   on 2011-11-28 18:47:13 (Show Source): You can put this solution on YOUR website!1/y-3/y=-5+3 -2/y=-2 y=-2/-2 y=1
 Angles/537989: Find the number of degrees in the measure of an angle that is 20 degrees less than 4 times the measure of its supplement. 1 solutions Answer 353056 by rfer(13569)   on 2011-11-28 18:44:54 (Show Source): You can put this solution on YOUR website!x+4x-20=180 5x=200 x=200/5 x=40 4x-20=140
 Sequences-and-series/537959: what does y= -4/9+y=1/61 solutions Answer 353055 by rfer(13569)   on 2011-11-28 18:42:44 (Show Source): You can put this solution on YOUR website!y=1/6+4/9 y=3/18+8/18 y=11/18
 test/537976: A water sprinkler has a radius of 6 feet. How much area does the water sprinkler cover? Use 3.14 for and round your answer to the nearest tenth. 1 solutions Answer 353054 by rfer(13569)   on 2011-11-28 18:39:15 (Show Source): You can put this solution on YOUR website!a=pir^2 a=3.14*6^2 a=3.14*36 a=113.0 sq ft
 Numbers_Word_Problems/537801: Please help me turn this into an equation: Three times a number is 36 less than 5 times the number1 solutions Answer 353013 by rfer(13569)   on 2011-11-28 16:06:38 (Show Source): You can put this solution on YOUR website!3x=5x-36
 Numbers_Word_Problems/537794: The sum of 50 and a number is equla to three times that number.Find the number1 solutions Answer 353012 by rfer(13569)   on 2011-11-28 16:03:26 (Show Source): You can put this solution on YOUR website!x+50=3x 50=2x x=25
 Linear-equations/537833: write the equation of the line that is parallel to the graph of y=-4x-9 and whose y-intercept is 31 solutions Answer 353010 by rfer(13569)   on 2011-11-28 16:00:00 (Show Source): You can put this solution on YOUR website!y=-4x+3
 Rectangles/537261: The length of a rectangle is 3 inches more than three times the width. The perimeter is 70 inches. Find the length and width. 1 solutions Answer 352776 by rfer(13569)   on 2011-11-27 16:10:36 (Show Source): You can put this solution on YOUR website!2W+2(3W)=70 you do the math.
 Distributive-associative-commutative-properties/537269: Find the amount of interest when p = \$1500, r = 8% and t = 3 years.1 solutions Answer 352775 by rfer(13569)   on 2011-11-27 16:08:53 (Show Source): You can put this solution on YOUR website!A=1500(1.08)^3 A=1500*1.26 A=\$1890 Interest=\$390
 Distributive-associative-commutative-properties/537265: Carly deposited \$800 in an account for 4 years at 3.5% interest. How much money did she earn? 1 solutions Answer 352773 by rfer(13569)   on 2011-11-27 16:06:20 (Show Source): You can put this solution on YOUR website!A=800(1.035)^4 A=800*1.1475 A=\$918.00 earned \$118.00
 percentage/537228: A student took a test composed of 20 questions, with correct answers worth 2 points. If the student received 34 points for his grade, how many questions were correct?1 solutions Answer 352771 by rfer(13569)   on 2011-11-27 16:03:52 (Show Source): You can put this solution on YOUR website!34/2=17
 Percentage-and-ratio-word-problems/537240: Valeeyview College has a 15% more students than 5 years ago. Nowadays they have 3145 students. How many students they had 5 years ago?1 solutions Answer 352766 by rfer(13569)   on 2011-11-27 15:51:26 (Show Source): You can put this solution on YOUR website!3145/1.15=2735
 Graphs/537175: The point-slope form of the equation of a line is given below. What is the slope of this line? Y + 3 = -2(x-3)1 solutions Answer 352754 by rfer(13569)   on 2011-11-27 14:32:07 (Show Source): You can put this solution on YOUR website!y+3=-2x+3 y=-2x slope m=-2
 expressions/537180: -9x+7=25+2(5-x);x=-41 solutions Answer 352753 by rfer(13569)   on 2011-11-27 14:30:29 (Show Source): You can put this solution on YOUR website!-9*-4+7=25+2(5--4) 36+7=25+18 43=43
 Numbers_Word_Problems/537187: what is an equalty for ..twice a number is 4 more than the number1 solutions Answer 352752 by rfer(13569)   on 2011-11-27 14:27:47 (Show Source): You can put this solution on YOUR website!2x=x+4 x=4
 Rectangles/537198: "A rectangular plot of ground measures 48 meters by 20 meters. The owner plans to put a diagonal walk from one corner to the opposite corner. How long will the walk be?" This question is confusing me because I don't understand how to find the middle!1 solutions Answer 352750 by rfer(13569)   on 2011-11-27 14:26:07 (Show Source): You can put this solution on YOUR website!a^2+b^2=c^2 48^2+20^2=c^2 2304+400=2704 c= sqrt 2704 c=52 meters
 test/536914: when the christmas cake was about to be served you were told you could have 0.6,60%,3/5,6% which 3 will give you the same portion?1 solutions Answer 352653 by rfer(13569)   on 2011-11-26 20:21:42 (Show Source): You can put this solution on YOUR website!change to the same kind of expressions 0.60, 0.60, 0.60, 0.06 looks like the first three are the same.
 Linear_Equations_And_Systems_Word_Problems/536936: Your quiz grades are 78,72,87 and 90. What score on the fifth quiz will make your average quiz grade at least 82?1 solutions Answer 352650 by rfer(13569)   on 2011-11-26 20:17:14 (Show Source): You can put this solution on YOUR website!(78+72+87+90+x)/5=82 327+x=82*5 327+x=410 x=410-327 x=83
 Rectangles/536643: If a perimeter of a rectangle is 120 feet what is the width and length if the length is twice the width.1 solutions Answer 352512 by rfer(13569)   on 2011-11-25 21:53:05 (Show Source): You can put this solution on YOUR website!2W+2(2W)=120
 Circles/536649: If the circumfrence of a circle equals 36 pi, then the Area = ? *write your answers in terms of pi.1 solutions Answer 352498 by rfer(13569)   on 2011-11-25 19:53:33 (Show Source): You can put this solution on YOUR website!A=pir^2 A=pi(36/2) A=18pi
 Linear-equations/536644: i simply just dont understand how to solve these! iv looked online, in my notes and my math book and i dont understand how they come to the solution for these: find the point on the line 2x+y=5 that is closest to the orgin. 1 solutions Answer 352497 by rfer(13569)   on 2011-11-25 19:51:46 (Show Source): You can put this solution on YOUR website!Make an input/output table graph the results pick the spot nearest (0,0) 2x+y=5 2x+0=5 x=5/2 x=2.5 (2.5,0) ------------- 2*0+y=5 y=5 (0,5) -------- You can pick the nearest point, but it looks like the x intercept (2.5,0)
 Linear-equations/536611: Find the x and y intercepts and graph the equation plotting the intercepts. Please show all of your work 4x-7y= -28 1 solutions Answer 352468 by rfer(13569)   on 2011-11-25 17:58:04 (Show Source): You can put this solution on YOUR website!4x-7y=-28 4*0-7y=-28 y=4 (0,4) 4x-7*0=-28 x=-28/4 x=-7 (-7,0)
 Equations/536601: I posted the problem right out of the book so my problem is: Solve -x/6=2/9 I'm not sure where to even start to solve this problem. 1 solutions Answer 352452 by rfer(13569)   on 2011-11-25 17:35:02 (Show Source): You can put this solution on YOUR website!work it like a ratio -9x=12 x=12/-9 x=-1 1/3
 Percentage-and-ratio-word-problems/536405: 1170 shared in the ratio 7:61 solutions Answer 352324 by rfer(13569)   on 2011-11-24 19:14:14 (Show Source): You can put this solution on YOUR website!7x+6x=1170 13x=1170 x=1170/13 x=90 7x=630 6x=540