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 Numeric_Fractions/722005: How do we solve 1/2m = 6 ? 1 solutions Answer 442590 by rfer(12666)   on 2013-03-04 22:32:10 (Show Source): You can put this solution on YOUR website!m=6/(1/2) m=6*2/1 m=12
 Surface-area/722017: The area of a rectangle is 4200 square feet. The length is 6 feet. What is the width? What is the perimeter?1 solutions Answer 442589 by rfer(12666)   on 2013-03-04 22:30:30 (Show Source): You can put this solution on YOUR website!4200/6=700 ft ------------ P=2*6+2*700 P=12+1400 P=1412 ft
 Probability-and-statistics/721991: If you draw a queen from a regular deck of cards (without replacement), what is the probability that the next card you draw will be an ace?1 solutions Answer 442588 by rfer(12666)   on 2013-03-04 22:28:26 (Show Source): You can put this solution on YOUR website!=4/51
 Geometry_Word_Problems/721531: Brenda wants to cut two pieces of material into equal-size squares with no material wasted. One piece measures 12 in. by 36 in. The other measures 6 in. by 42 in. What is the largest size square she can cut? 1 solutions Answer 442421 by rfer(12666)   on 2013-03-03 23:32:24 (Show Source): You can put this solution on YOUR website!6X6 square
 Money_Word_Problems/721562: what does p+prt=500,r=20%,t=2?1 solutions Answer 442420 by rfer(12666)   on 2013-03-03 23:28:58 (Show Source): You can put this solution on YOUR website!A=500(1.20)^2 A=500*1.44 A=720
 Average/721522: Cathy scored 76, 84, and 78 on three tests. How much must she score on the next test to have at least an 80 average?1 solutions Answer 442418 by rfer(12666)   on 2013-03-03 23:27:05 (Show Source): You can put this solution on YOUR website!(76+84+78+x)/4=80 238+x=80*4 238+x=320 x=320-238 x=82
 Percentage-and-ratio-word-problems/721487: total amount is 227.63 and I know it is 4% of the amount I am looking for - how do i back into it? 1 solutions Answer 442417 by rfer(12666)   on 2013-03-03 23:24:07 (Show Source): You can put this solution on YOUR website!227.63/0.04=5690.75
 test/721527: 8=2/x+51 solutions Answer 442416 by rfer(12666)   on 2013-03-03 23:20:24 (Show Source): You can put this solution on YOUR website!3=2/x 3x=2 x=2/3
 Percentage-and-ratio-word-problems/721545: I have 35 fiction books and 28 non fiction books. Write the faction of each type of book?1 solutions Answer 442415 by rfer(12666)   on 2013-03-03 23:18:41 (Show Source): You can put this solution on YOUR website!35+28=63 35/63=5/9 fiction 28/63=4/9 non fiction
 Linear-equations/721558: x/6 - x =51 solutions Answer 442414 by rfer(12666)   on 2013-03-03 23:16:36 (Show Source): You can put this solution on YOUR website!x/6=x+5 x=(x+5)(6) x=6x+30 -5x=30 x=30/-5 x=-6
 Percentage-and-ratio-word-problems/721549: A tanker that delivers gasoline to gas stations had 1400 gal of gasoline when it was 7/9 full. How much could the tanker hold when it was full?1 solutions Answer 442413 by rfer(12666)   on 2013-03-03 23:14:12 (Show Source): You can put this solution on YOUR website!1400/(7/9)= 1400*9/7=1800 gal
 Polynomials-and-rational-expressions/721536: Expand and simplify the following (3y+5)^3 1 solutions Answer 442412 by rfer(12666)   on 2013-03-03 23:12:25 (Show Source): You can put this solution on YOUR website!(3y+5)(3y+5)(3y+5) (9y^2+15y+15y+25)(3y+5) (9y^2+30y+25)(3y+5) 27y^3+90y^2+75y+45Y^2+150y+125= 27y^3+135y^2+225y+125
 Numeric_Fractions/721485: (6 3/4 ÷ 3 3/8+3 7/4)*2/3 1 solutions Answer 442411 by rfer(12666)   on 2013-03-03 23:05:50 (Show Source): You can put this solution on YOUR website!(27/4)/(27/8)+(19/4)(2/3)= 27/4*8/27+38/12= 8/4+38/12= 24/12+38/12=62/12=5 1/6
 Triangles/721400: How do I find the length of the hypotenuse of a 45-45-90 degree triangle with a leg length of 14 cm? Also, how can I find the length of the leg of a 45-45-90 degree triangle with a hypotenuse length of 25in.? 1 solutions Answer 442367 by rfer(12666)   on 2013-03-03 19:17:49 (Show Source): You can put this solution on YOUR website!A) Both legs are equal. c^2=14^2+14^2 c^2=196+196 c^2=392 c=sqrt 392 c=19.8 B) Both legs are equal 25^2=a^2+b^2 625=a^2+b^2 c^2=312.5+312.5 c=sqrt (625/2) c=17.7
 Word_Problems_With_Coins/721437: 2- A girl has twice as many dimes as nickels. IF she has a total of \$0.75, how many of each of the coins does she have?1 solutions Answer 442365 by rfer(12666)   on 2013-03-03 19:05:08 (Show Source): You can put this solution on YOUR website!x=nickels 2x=dimes 3x=0.75 x=0.75/3 x=0.25 2x=0.50
 Polynomials-and-rational-expressions/721261: (a−4)−7 #42, just multiply the two exponents. You should get a positive value so there is no need to reciprocate the final expression.1 solutions Answer 442310 by rfer(12666)   on 2013-03-03 13:53:02 (Show Source): You can put this solution on YOUR website!=a^28
 Linear_Equations_And_Systems_Word_Problems/721295: a piece of wire 42 feet long is to be divided into two sections so that one sections is 2/5 of the other section. what are the lengths of the two sections?1 solutions Answer 442309 by rfer(12666)   on 2013-03-03 13:51:03 (Show Source): You can put this solution on YOUR website!x+0.4x=42 1.4x=42 x=42/1.4 x=30ft 0.4x=12ft
 Numeric_Fractions/721242: What is the numerical expression 5/6-2/3(6-1/2)+3/4 equal to? I tried: 5/6-(4-1/3) + 3/4 .8333-3.6667+.75 Answer I got: -2.08333 or -25/12 Answer options are: -25/12, -17/12, 20/12 or 43/12 Please help.1 solutions Answer 442307 by rfer(12666)   on 2013-03-03 13:48:15 (Show Source): You can put this solution on YOUR website!5/6-2/3(5 1/2)+3/4= 5/6-(2/3)(11/2)+3/4= 5/6-22/6+3/4= -17/6+3/4= -34/12-9/12= -25/12
 Equations/721257: a book seller sold a book for Rs.70 at a gain of 40%.Find the profit?1 solutions Answer 442306 by rfer(12666)   on 2013-03-03 13:42:51 (Show Source): You can put this solution on YOUR website!70/1.40=50 cost profit equals 70-50=20
 Equations/720959: I have 4x+9y=15 how to I get it in to this formula y=mx+b1 solutions Answer 442102 by rfer(12666)   on 2013-03-02 12:08:21 (Show Source): You can put this solution on YOUR website!4x+9y=15 9y=-4x+15 y=-4x/9+15/9 y=-4/9x+1 2/3
 Money_Word_Problems/720965: How much money would need to be deposited into a compound interest savings account earning 5% each year so that you will accumulate \$10,000 in 18 years. I believe the correct formula is PV=FV/(1+r)^n but when I try to plug the numbers into the formula, I am coming up with more than \$10,000. I don't know what I am doing wrong and could really use some detailed help. Thanks in advance.1 solutions Answer 442101 by rfer(12666)   on 2013-03-02 12:04:50 (Show Source): You can put this solution on YOUR website!PV=10000/(1.05)^18 PV=10000/2.41 PV=\$4149.38 I don't know what you did wrong, but you had the correct formula.
 Equations/720753: Translate this sentence into an equation. 43 is the sum of 18 and Goran's savings. Use the variable g to represent Goran's savings.1 solutions Answer 442013 by rfer(12666)   on 2013-03-01 21:45:47 (Show Source): You can put this solution on YOUR website!g+18=43
 Miscellaneous_Word_Problems/720796: Buffalo contributed 6 more tons of clothing to a drive than did Troy. Endicott contributed half as much as Troy. In all they continued 71 tons. How many tons were contributed by each?1 solutions Answer 442012 by rfer(12666)   on 2013-03-01 21:44:03 (Show Source): You can put this solution on YOUR website!B=6t T=t E=0.5t ------------- 7.5t=71 t=71/7.5 t=9.5 6t=56.75 0.5t=4.75
 Age_Word_Problems/720826: Eric is twice as old as Shawn. The sum of their ages is 33. How old is Shawn1 solutions Answer 442010 by rfer(12666)   on 2013-03-01 21:38:58 (Show Source): You can put this solution on YOUR website!2x+x=33 3x=33 x=11 2x=22
 Human-and-algebraic-language/720846: How many miles are in 1171.352km1 solutions Answer 442008 by rfer(12666)   on 2013-03-01 21:37:17 (Show Source): You can put this solution on YOUR website!1171.352/1.61=727.55 miles
 Exponents/720848: If 3 is raised to the 3y power and equals 216, what is the value of 3y? i tried 4.5 the exponents of 3, 3^2, 3^3, etc.. 3 9 27 811 solutions Answer 442006 by rfer(12666)   on 2013-03-01 21:35:05 (Show Source): You can put this solution on YOUR website!27y^3=216 y^3=216-27 y^3=189 y=cu rt 189 y=5.738
 Percentage-and-ratio-word-problems/720468: What is the area of a 12ft x 21 1/2ft driveway? it is 12 * 21.5 = 258 sq ft 1 solutions Answer 441835 by rfer(12666)   on 2013-02-28 20:28:22 (Show Source): You can put this solution on YOUR website!12*21.5=258 sq ft
 percentage/720064: If a buy a tv for \$2500 and that was after a 20% discount. What was the original amount? 1 solutions Answer 441652 by rfer(12666)   on 2013-02-28 01:19:09 (Show Source): You can put this solution on YOUR website!2500/0.80=\$3125
 Linear_Equations_And_Systems_Word_Problems/720019: If the speed of sound is 660 miles per hour, how far does one travel in one minute at the speed of sound? (remember,1 hour = 60 minutes)1 solutions Answer 441650 by rfer(12666)   on 2013-02-28 01:18:04 (Show Source): You can put this solution on YOUR website!660/60=11 miles
 Sequences-and-series/720030: the sum of the positive even integers less than 101 solutions Answer 441649 by rfer(12666)   on 2013-02-28 01:16:13 (Show Source): You can put this solution on YOUR website!=20
 Angles/720036: The larger angle of two supplementary angles measures five degrees more than six times the measure of the smaller angle. Find the measure of each angle.1 solutions Answer 441648 by rfer(12666)   on 2013-02-28 01:14:58 (Show Source): You can put this solution on YOUR website!x+6x+5=180 7x=175 x=175/7 x=25 6x+5=155