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Linear-equations/228709: Find the equation of the line with slope of -3/5 through the point (0,-2) Write it here______________ then graph the line. 1 solutions Answer 169724 by rfer(12646)   on 2009-10-19 14:32:32 (Show Source): You can put this solution on YOUR website! y=mx+b y=-3/5x-2

Travel_Word_Problems/228665: Please help me solve this problem : A car traveled at an average speed of 50 miles per hour. For a trip of 225 miles, How long did the trip take? 1 solutions Answer 169687 by rfer(12646)   on 2009-10-19 11:36:39 (Show Source): You can put this solution on YOUR website! t=D/r t=225/50 t=4.5 hrs, 4 hrs 30 min

Functions/228581: Find the slope, if it exists for y=-2x+4 1 solutions Answer 169641 by rfer(12646)   on 2009-10-19 01:43:06 (Show Source): You can put this solution on YOUR website! y=mx+b m=slope=-2

Miscellaneous_Word_Problems/228583: eight is what percent of 40? 1 solutions Answer 169640 by rfer(12646)   on 2009-10-19 01:42:12 (Show Source): You can put this solution on YOUR website! 8/40=.2=20%

Miscellaneous_Word_Problems/228515: A car is to be service every 5000 kilometers. Tunes up every 10,000 kilometers and have its wheel rotated every 16,000 kilometers. How many kilometers will the car travel before it need all three functions done at the same time. 1 solutions Answer 169637 by rfer(12646)   on 2009-10-19 00:45:38 (Show Source): You can put this solution on YOUR website! 80,000 k 16000*5=80000 first time

Pythagorean-theorem/228542: A boy is two meters tall. about how tall is the boy in feet and inches? 1 meter=39inches. 1 solutions Answer 169636 by rfer(12646)   on 2009-10-19 00:40:02 (Show Source): You can put this solution on YOUR website! 2*39=78 in/12=6.5=6ft 6in

Miscellaneous_Word_Problems/228550: For Problem 11 define a variable that represents the unknown quantity and set up an inequality. Then solve the inequality. 11. Franklin plans to rent a small camper for a five-day trip to the mountains. The rental cost is $48.95 per day plus $0.50 a mile. How many miles can he travel and stay within his $500 budget? 1 solutions Answer 169635 by rfer(12646)   on 2009-10-19 00:37:04 (Show Source): You can put this solution on YOUR website! 48.95+.5x<=500 .5x<=451.05 x<=902 mi

Expressions-with-variables/228556: 7y+2y-5=y what does y equal????? 1 solutions Answer 169634 by rfer(12646)   on 2009-10-19 00:31:08 (Show Source): You can put this solution on YOUR website! 7y+2y-5=y 9y=y+5 8y=5 y=5/8

Linear-equations/228416: determine the slope for y intercept 4x-3y=5 1 solutions Answer 169604 by rfer(12646)   on 2009-10-18 21:42:22 (Show Source): You can put this solution on YOUR website! 4x-3y=5 4(0)-3y=5 y=5*-3 y=-15 (0,-15) ----------------

Linear-equations/228494: Do not understand algebra at all. Please help me. What is the y intercept of y = -1/2x + 4? Graph and identify y intercept. Thank you. 1 solutions Answer 169603 by rfer(12646)   on 2009-10-18 21:37:59 (Show Source): You can put this solution on YOUR website! y int x=0 y=-1/2x+4 y=-1/2(0)+4 y=4 (0,4) y int

Linear-equations/228411: how do you solve for y? 3x-y=10 1 solutions Answer 169602 by rfer(12646)   on 2009-10-18 21:35:26 (Show Source): You can put this solution on YOUR website! 3x-y=10 subtract 3x -y=10-3x multiply by -1 y=3x-10

Equations/228491: m/8-12-3=-12 1 solutions Answer 169599 by rfer(12646)   on 2009-10-18 21:30:08 (Show Source): You can put this solution on YOUR website! m/8-12-3=-12 m/8-15=-12 m/8=3 m=3*8 m=24

absolute-value/228490: f(x)=5x+1 when x= 2 1 solutions Answer 169597 by rfer(12646)   on 2009-10-18 21:28:25 (Show Source): You can put this solution on YOUR website! f(x)=y=5x+1 y=5(2)+1 y=11

Expressions-with-variables/228429: 12=4(b-2) 1 solutions Answer 169594 by rfer(12646)   on 2009-10-18 21:27:02 (Show Source): You can put this solution on YOUR website! 12=4(b-2) 12=4b-8 20=4b b=5

Age_Word_Problems/228466: linda drove 196 miles from Dayton to cleveland area in 3 1/2 hours. what was linda's average speed? 1 solutions Answer 169592 by rfer(12646)   on 2009-10-18 21:20:43 (Show Source): You can put this solution on YOUR website! r=D/t r=196/3.5 r=56 mph

Angles/228468: One angle of a triangle is 35 degrees greater than the smallest angle and the third angle is 15 degrees less than twice the smallest angle.Find the measures of the 3 angles. 1 solutions Answer 169588 by rfer(12646)   on 2009-10-18 21:15:18 (Show Source): You can put this solution on YOUR website! x+x+35+2x-15=180 4x+20=180 4x=160 x=40 x+35=75 2x-15=65

Triangles/228473: In an isoceles triangle,one angle is 30 degrees greater than the other 2 angles. Find the measures of all three angles. 1 solutions Answer 169586 by rfer(12646)   on 2009-10-18 21:11:11 (Show Source): You can put this solution on YOUR website! 2x+x+30=180 3x+30=180 3x=150 x=50 two angles x+30=80 third angle

Linear-equations/228483: write in standard form the equation of the line. slope 2, through (4,2) 1 solutions Answer 169584 by rfer(12646)   on 2009-10-18 21:08:23 (Show Source): You can put this solution on YOUR website! y=mx+b y=2x-6

Miscellaneous_Word_Problems/228476: I am a mother of a 5th grader with this word problem we can not figuer out. Paula, Myran and Chris caught 25 fish. Paula caught 1 more than Chris and 5 fever than Myran. How many fish did each catch? 1 solutions Answer 169582 by rfer(12646)   on 2009-10-18 21:05:20 (Show Source): You can put this solution on YOUR website! chris=x=6 paula=x+1=7 myran=x+6=12 --------------- x+(x+1)+(x+6)=25 3x+7=25 subtract 7 3x+7-7=25-7 3x=18 x=6

Expressions-with-variables/228417: 3(2x+1)+x=-39 1 solutions Answer 169553 by rfer(12646)   on 2009-10-18 19:24:36 (Show Source): You can put this solution on YOUR website! 3(2x+1)+x=-39 6x+3+x=-39 7x+3=-39 7x=-42 x=-6

Linear-equations/228385: How do you solve the x and y-intercept for y = -3/4x + 2? Can you give me a step by step solution to the answer? 1 solutions Answer 169549 by rfer(12646)   on 2009-10-18 18:48:25 (Show Source): You can put this solution on YOUR website! y int is when x=0 (0,2) x int is when y=0 (-8/3,0)

expressions/228383: how do you solve 6*(-2)*(-1)*3 1 solutions Answer 169548 by rfer(12646)   on 2009-10-18 18:45:23 (Show Source): You can put this solution on YOUR website! 6*(-2)*(-1)*3 6*(-2)*-3 6*6 36

Triangles/228349: Does anyone know what Pythagorean triples are and a set of formulas that will generate an infinite number of them. I am so lost and can't figure this out for anything. can someone explain this to me please. 1 solutions Answer 169535 by rfer(12646)   on 2009-10-18 17:55:10 (Show Source): You can put this solution on YOUR website! 3 4 5 6 8 10 etc

Geometry_Word_Problems/228344: the area of a rectangle is 525cm2. find the dimensions of a rectangle if the ratio of the length to the width is 7:3. 1 solutions Answer 169533 by rfer(12646)   on 2009-10-18 17:53:33 (Show Source): You can put this solution on YOUR website! 7x*3x=525 21x^2=525 x^2=25 x=5 7x=35 cm 3x=15 cm

Numbers_Word_Problems/228358: Two consecutive odd integers have a sum of 68. What are the integers? 1 solutions Answer 169527 by rfer(12646)   on 2009-10-18 17:45:04 (Show Source): You can put this solution on YOUR website! x+x+2=68 2x=66 x=33 x+2=35

Surface-area/228274: what is the volume of a cube if all the edges are 40.5? 1 solutions Answer 169496 by rfer(12646)   on 2009-10-18 15:54:23 (Show Source): You can put this solution on YOUR website! 40.5^3=66,430

Linear_Equations_And_Systems_Word_Problems/228291: Pleace help me solve. I tried dividing 126 by four and adding 15 inches, but that was really off. A perimeter of a rectangle is 126 inches. The lenght exceeds the width by 15 inches. Find the lengh and width. 1 solutions Answer 169491 by rfer(12646)   on 2009-10-18 15:46:52 (Show Source): You can put this solution on YOUR website! 126=2x+2(x+15) 126=2x+2x+30 96=4x x=24 x+15=39 P=2w+2L

Angles/228219: Could you please help me find the Supplement and Complement angle of 63degrees. Thank-you. Terri 1 solutions Answer 169470 by rfer(12646)   on 2009-10-18 14:32:55 (Show Source): You can put this solution on YOUR website! c=90-63=27 degrees S=180-63=117 degrees

Inequalities/228237: what is the inequality to typing 65 words at the most per minute? 1 solutions Answer 169469 by rfer(12646)   on 2009-10-18 14:31:01 (Show Source): You can put this solution on YOUR website! x=>65

Travel_Word_Problems/228248: A car is traveling twice as fast as a truck. If their combined speed is 105 miles per hour, what is the speed of the truck and speed of the car. 1 solutions Answer 169468 by rfer(12646)   on 2009-10-18 14:28:34 (Show Source): You can put this solution on YOUR website! 105/3=35 mph truck 70 mph car

Trigonometry-basics/228250: Help me solve this word problem please. "A freight train and a diesel train left at the same time. The trains traveled in opposite directions. The diesel train traveled 10km/h faster than the freight train. After one hour they were 140 km apart. Find the freight train's speed. 1 solutions Answer 169467 by rfer(12646)   on 2009-10-18 14:26:41 (Show Source): You can put this solution on YOUR website! 65 kmph 75 kmph 2x+10=140 2x=130 x=65 kmph freight x+10=75 kmph diesel