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Polynomials-and-rational-expressions/391020: Am I correct with this: (2x-5)(3x-2)= 5x-7 1 solutions Answer 277317 by rfer(12646)   on 2011-01-05 13:37:47 (Show Source): You can put this solution on YOUR website! 6x^2-4x-15x+10 combine 6x^2-19x+10 This is multiplication not addition

Polynomials-and-rational-expressions/391019: Am I correct with this answer: (x+2)(x+3)=x^2+6 1 solutions Answer 277315 by rfer(12646)   on 2011-01-05 13:35:51 (Show Source): You can put this solution on YOUR website! x^2+3x+2x+6 combine x^2+5x+6 Don't forget the middle part

Travel_Word_Problems/390859: A car travels at 100 mph. How long does it take to go 200 miles? 1 solutions Answer 277209 by rfer(12646)   on 2011-01-04 22:21:57 (Show Source): You can put this solution on YOUR website! 2 hrs

Probability-and-statistics/390733: What proportion of the data is between the first and third quartiles? 1 solutions Answer 277170 by rfer(12646)   on 2011-01-04 21:21:19 (Show Source): You can put this solution on YOUR website! 2nd quartile= 25% Or do you want from the 1st through the 3rd? That = 75%

test/390834: How do you do this problem?: slope=-7, y-intercept=-2 1 solutions Answer 277168 by rfer(12646)   on 2011-01-04 21:17:12 (Show Source): You can put this solution on YOUR website! y=mx+b m= slope b= y int y=-7x-2

Rational-functions/390831: what is 7 inches to 3 feet as a fraction in simplest form 1 solutions Answer 277166 by rfer(12646)   on 2011-01-04 21:15:28 (Show Source): You can put this solution on YOUR website! 7/36

Expressions-with-variables/390746: The Walton Taxi company charges $2.25 for each trip plus $0.19 for every one-tenth mile. The Newtham Tax Company charges $1.50 for each trip plus $0.25 for each one-tenth mile. How much will a three-tenth mile ride cost with each company? 1 solutions Answer 277163 by rfer(12646)   on 2011-01-04 21:11:09 (Show Source): You can put this solution on YOUR website! W 2.25+0.19*3=$2.82 N 1.50+0.25*3=$2.25

Functions/390806: A triangle has a base of 17 feet. Express its area as a function of its height. 1 solutions Answer 277161 by rfer(12646)   on 2011-01-04 21:06:37 (Show Source): You can put this solution on YOUR website! A=0.5*17*h

Rational-functions/390826: what is 4 hours to 1 day ratio as a fraction in simplest form 1 solutions Answer 277160 by rfer(12646)   on 2011-01-04 21:01:16 (Show Source): You can put this solution on YOUR website! 4/24=1/6

Inequalities/390748: I need help with making a multi-step inequality for greater than -1. Any help? 1 solutions Answer 277159 by rfer(12646)   on 2011-01-04 20:59:43 (Show Source): You can put this solution on YOUR website! x > -1

Travel_Word_Problems/390750: An interstate bus traveled 465 miles in 11 hours. What was the speed of the bus? 1 solutions Answer 277152 by rfer(12646)   on 2011-01-04 20:53:48 (Show Source): You can put this solution on YOUR website! 465/11=42.27 mph

Surface-area/390813: Find the area of an Olypic-size swimming pools measuring 50 meters by 25 meters 1 solutions Answer 277150 by rfer(12646)   on 2011-01-04 20:51:20 (Show Source): You can put this solution on YOUR website! A=L*W A=50*25 A=1250 sq m

Polynomials-and-rational-expressions/390820: 2x + 4 / 3 = 20 What is the value of x 1 solutions Answer 277148 by rfer(12646)   on 2011-01-04 20:49:30 (Show Source): You can put this solution on YOUR website! 2x=20-4/3 2x=60/3-4/3 2x=56/3 x=(56/3)/2 x=56/3*1/2 x=56/6 x=9 1/3

Travel_Word_Problems/390819: The distance between New York And Los Angeles is 3500 miles the train leaving New york is traveling at 60 miles per hour the train leaving Los Angeles is traveling at 80 miles per hour at what point will the they both meet 1 solutions Answer 277146 by rfer(12646)   on 2011-01-04 20:46:15 (Show Source): You can put this solution on YOUR website! 3500/140=25 hrs 80*25=2000 mi from LA 60*25=1500 mi from NY

Inequalities/390817: -13h is greater than or equal to 52 1 solutions Answer 277143 by rfer(12646)   on 2011-01-04 20:43:43 (Show Source): You can put this solution on YOUR website! -13h >= 52

Probability-and-statistics/390815: mark missed 1/5 of the questions on the test.he corrected 3/4 of the questions he missed.what fraction of the questions did he miss 1 solutions Answer 277141 by rfer(12646)   on 2011-01-04 20:41:53 (Show Source): You can put this solution on YOUR website! 1/5*1/4=1/20 ----------

test/390763: I need help doing this problem I have to find the solution for x- 2 = -4 ( there is suppose to be an underline under the x - 2 so that -3 goes below the x -2.) What is the solution to x - 0.15x=680 Here is a word problem: On a field trip to the zoo, 21 students voted to have sandwiches for lunch. This represents 7/8 of the class. How many students are in the class? The area of a rectangle is 64 in2 (small 2 by the n) If the area is increased by25% which of the following could be the dimensions of the rectangle? A.) 6in by 8in B.) 10 in by 8 in C.) 10 in by 10 in. D.) 8 in by 8 in Please show me the work. Sandy 1 solutions Answer 277138 by rfer(12646)   on 2011-01-04 20:37:55 (Show Source): You can put this solution on YOUR website! (x-4)/-3=-4 x-4=-4*-3 x-4=12 x=-3 --------------- x-0.15x=680 0.85x=680 x=680/0.85 x=800 ------------- 21/(7/8)= 21*(8/7)=168/7=24 --------------- 64*1.25=80 so B) is best fit 10 x 8

Probability-and-statistics/390736: What poportion of the distribution is at or below the first quartile? 1 solutions Answer 277131 by rfer(12646)   on 2011-01-04 20:27:21 (Show Source): You can put this solution on YOUR website! 1st quartile is the lowest 25%

Expressions-with-variables/390799: 2 (d - 3 ) - 5 d = 18 1 solutions Answer 277128 by rfer(12646)   on 2011-01-04 20:14:27 (Show Source): You can put this solution on YOUR website! 2d-6-5d=18 -3d=24 d=-8

Square-cubic-other-roots/390754: whats the esimated root for the cubic root of 90 1 solutions Answer 277127 by rfer(12646)   on 2011-01-04 20:13:23 (Show Source): You can put this solution on YOUR website! 9

test/390762: Acconding to a city bylaw, the area of a store's sign cannot exceed 900 square decimeters. write and graph of an inequality to represent the situation. 1 solutions Answer 277126 by rfer(12646)   on 2011-01-04 20:11:55 (Show Source): You can put this solution on YOUR website! x < 900 sq dm

Angles/390798: The measure of an angle is nine times the measure of a complementary angle. What is the measure of each angle? 1 solutions Answer 277124 by rfer(12646)   on 2011-01-04 20:07:53 (Show Source): You can put this solution on YOUR website! x+9x=90 10x=90 x=9 9x=81

Linear-equations/390795: how do i graph the linear equation y=3/4x-1 1 solutions Answer 277122 by rfer(12646)   on 2011-01-04 20:06:41 (Show Source): You can put this solution on YOUR website! y int=(0,-1) slope m=3/4 from y int count four right then three up for second point

Miscellaneous_Word_Problems/390793: A brass weight is 252 grams. A lead weight is 3.56 kilograms. What is the sum of these weights in grams? 1 solutions Answer 277121 by rfer(12646)   on 2011-01-04 20:04:56 (Show Source): You can put this solution on YOUR website! 3560+252=3,812g

Inverses/390632: what operation should be used to get y alone in 16y 1 solutions Answer 277088 by rfer(12646)   on 2011-01-04 18:10:31 (Show Source): You can put this solution on YOUR website! division

Linear-equations/390676: How can I identify and classifly equations as linear or nonlinear functions 1 solutions Answer 277084 by rfer(12646)   on 2011-01-04 18:05:04 (Show Source): You can put this solution on YOUR website! If there is an exponent they are not linear.

Equations/390698: Find the midpoint M of the line segment joining the points P =(-2,-7) and Q=(6,3). 1 solutions Answer 277079 by rfer(12646)   on 2011-01-04 18:01:26 (Show Source): You can put this solution on YOUR website! M=(2,-2)

Points-lines-and-rays/390705: six over x equals x over 20 1 solutions Answer 277076 by rfer(12646)   on 2011-01-04 17:56:46 (Show Source): You can put this solution on YOUR website! 6/x=x/20 x^2=120 x=10.95

Numbers_Word_Problems/390708: is 18 2/3rds of 27 1 solutions Answer 277075 by rfer(12646)   on 2011-01-04 17:54:41 (Show Source): You can put this solution on YOUR website! 18*3/2=27 yes

Linear-systems/390643: What is the x-intercept in this equation: 3x+2y-10=0 1 solutions Answer 277028 by rfer(12646)   on 2011-01-04 15:44:27 (Show Source): You can put this solution on YOUR website! 3x+2y=10 3x+2*0=10 x=10/3 (10/3,0)

Numbers_Word_Problems/390404: three numbers added together total 300. teh second number is four times the first. the third number is 5 times the first. find all three numbers 1 solutions Answer 276878 by rfer(12646)   on 2011-01-03 22:33:20 (Show Source): You can put this solution on YOUR website! x+4x+5x=300 10x=300 x=30 4x=120 5x=150