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# Recent problems solved by 'rfer'

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 Volume/610300: A tank 1 yd long 1.5 ft high and 15 in wide what would the vol of water be in cu ft 1 solutions Answer 384300 by rfer(12670)   on 2012-05-12 21:37:32 (Show Source): You can put this solution on YOUR website!V=3*1.5*1.255.625 cu ft
 Geometry_Word_Problems/610188: One bundle of \$50 bills contains 200 bills. What would be the total value of 20 identical bundles?1 solutions Answer 384273 by rfer(12670)   on 2012-05-12 18:18:49 (Show Source): You can put this solution on YOUR website!50*200*20=\$200,000
 testmodule/610216: Write the slope-intercept equation for the line with slope 1/3 and y-intercept (0, -6) and graph the line. 1 solutions Answer 384272 by rfer(12670)   on 2012-05-12 18:16:44 (Show Source): You can put this solution on YOUR website!y=1/3x-6
 Linear_Equations_And_Systems_Word_Problems/610257: a recipe calls for 2 cups of sugar. you find that you only have 1/3 cups of sugar left. what fraction of the recipe can you make? answer must be a fraction written in simplest terms. If answer is a whole number then give answer as a fraction with 1 in the denominator.1 solutions Answer 384271 by rfer(12670)   on 2012-05-12 18:15:09 (Show Source): You can put this solution on YOUR website!=1/6
 test/610265: I am studying for my GED test and I am stuck on allgebra just can't get it 1 solutions Answer 384270 by rfer(12670)   on 2012-05-12 18:13:36 (Show Source): You can put this solution on YOUR website!Post some problems
 Finance/610235: Find the future value, using the future value formula and a calculator. (Give your answer to the nearest cent.) \$42.61 at 6.5% compounded semiannually for 6 years 1 solutions Answer 384269 by rfer(12670)   on 2012-05-12 18:12:39 (Show Source): You can put this solution on YOUR website!FV=42.61(1+0.065/2)^2*6 FV=42.61*(1.0.325)^12 FV=42.61*1.46785 FV=\$62.55
 Linear_Equations_And_Systems_Word_Problems/610261: 1/3 x ?/? = 1/51 solutions Answer 384268 by rfer(12670)   on 2012-05-12 18:09:22 (Show Source): You can put this solution on YOUR website!(1/5)/(1/3)= 1/5*3/1=3/5
 decimal-numbers/610275: What is the decimal amount of a nickel1 solutions Answer 384267 by rfer(12670)   on 2012-05-12 18:07:54 (Show Source): You can put this solution on YOUR website!0.05
 Word_Problems_With_Coins/610269: a manufacturer of birds feeders cuts spacer from a tube that is 5 5/8 inches long. how many spacers can be cut from the tube if each spacer must be 5/8 inch thick1 solutions Answer 384266 by rfer(12670)   on 2012-05-12 18:07:23 (Show Source): You can put this solution on YOUR website!(45/8)/(5/8)= 45/8*8/5= 360/40=9 spacers
 Volume/610204: find the volume of concrete needed to make a circular patio that has a radius of 24 feet and is 8 feet thick. use 3.14 for pi. if necesarry, round the nearest anser to the nearest cubic foot.1 solutions Answer 384217 by rfer(12670)   on 2012-05-12 13:21:58 (Show Source): You can put this solution on YOUR website!V=pir^2h V=3.14*24^2*2/3 V=1206 cu ft
 test/609957: Parking in a student lot costs \$2 for the first half hour and \$1.25 for each hour thereafter. A partial hour is charged the same as a full hour. What is the longest a student can park in this lot for \$9?1 solutions Answer 384081 by rfer(12670)   on 2012-05-11 18:04:56 (Show Source): You can put this solution on YOUR website!(9-2)/1.25+1=6.6=7 hrs
 Inverses/609993: 1 how do you solve 3/7 of what number is 9? 2 how do you solve 2/3 of what number is 16 3 solve for z 6=z/5.9 4what is trhe nearest tenth for 449/0.421 solutions Answer 384077 by rfer(12670)   on 2012-05-11 17:57:07 (Show Source): You can put this solution on YOUR website!9/(3/7)=X 9*7/3=63/3 x=21 --------------- 16/(2/3)=x 16*3/2=x x=24 -------------- 6=z/5.9 6*5.9=z z=35.4 ------------- 1069.0
 Money_Word_Problems/609561: I am needing assistance in solving the following word problem. Amy paid \$64.34 for a pair of shoes during a 15% off sale. What was the regular price? I have been trying to solve it. I do not think I am solving it the correct way. 1 solutions Answer 383786 by rfer(12670)   on 2012-05-10 13:33:45 (Show Source): You can put this solution on YOUR website!64.34 is 85% of the original price. 64.34/0.85=\$75.70
 Mixture_Word_Problems/609236: Andy paid \$1.40 for 4 grapefruits. How many grapefruits can he buy with \$2.10?1 solutions Answer 383662 by rfer(12670)   on 2012-05-09 19:48:06 (Show Source): You can put this solution on YOUR website!1.40/4-2.10/x 1.40x=8.40 x=8.40/1.40 x=6
 Travel_Word_Problems/609301: If you are going speed of 8 miles per hour, how long will it take you to drive 363 miles?1 solutions Answer 383660 by rfer(12670)   on 2012-05-09 19:41:41 (Show Source): You can put this solution on YOUR website!363/8=45.375 hrs
 Polynomials-and-rational-expressions/608822: I Do Not Under Stand How To Multiple Polynomials Using FOIL. My Teacher Does Not Explain It Very Well. Please HELP me Learn.Here Is An Example Of A Problem And The Work I Have Tried. F=x*x O=x*-4x^2 I=3x^2*x L=3x^2*-4x^2 * Is A Multiplication Sign Thank You1 solutions Answer 383394 by rfer(12670)   on 2012-05-08 20:39:21 (Show Source): You can put this solution on YOUR website!finish it x^2-x^3-12x^4
 Functions/608589: 21. Without graphing, tell whether the line containing (–7, 5) and (–7, –9) is horizontal, vertical, or neither. 1 solutions Answer 383316 by rfer(12670)   on 2012-05-08 14:02:42 (Show Source): You can put this solution on YOUR website!vertical
 Money_Word_Problems/608595: A 12% discount will be given on a \$2,500.00 order of transformers if paid within 30 days. what will be the cost of the transformers?1 solutions Answer 383315 by rfer(12670)   on 2012-05-08 14:00:11 (Show Source): You can put this solution on YOUR website!2500*0.88=\$2200
 Money_Word_Problems/608539: How much interest would I recieve if I saved R2000 at an interest rate of 5% for one year?1 solutions Answer 383313 by rfer(12670)   on 2012-05-08 13:57:52 (Show Source): You can put this solution on YOUR website!I=Prt I=2000*0.05*1 I=100
 Geometry_Word_Problems/607836: a bag of fertilizer covers 500 square feet of lawn. how many bags of fertilizer should be purchased to cover a rectangular lawn 360 feet by 120 feet?1 solutions Answer 382932 by rfer(12670)   on 2012-05-06 21:50:18 (Show Source): You can put this solution on YOUR website!(360*120)/500=86.4 bags purchase 87 bags
 Linear_Equations_And_Systems_Word_Problems/607848: if apples cost \$3.75 for 3 pounds, what is the cost, at the same rate, of 7 pounds of apples?1 solutions Answer 382931 by rfer(12670)   on 2012-05-06 21:47:37 (Show Source): You can put this solution on YOUR website!3.75/3=x/7 3x=26.25 x=26.25/3 x=\$8.75
 Money_Word_Problems/607664: A person deposited \$500 in a savings account that pays 5% annual interest that is compounded yearly. At the end of 10 years, how much money will be in the savings account?1 solutions Answer 382829 by rfer(12670)   on 2012-05-06 16:26:48 (Show Source): You can put this solution on YOUR website!A=500(1.05)^10 A=500*1.629 A=\$814.50
 Money_Word_Problems/607670: you borrow \$6000 for 2 years at 9%. what is the simple interest?1 solutions Answer 382825 by rfer(12670)   on 2012-05-06 16:23:46 (Show Source): You can put this solution on YOUR website!I=Prt I=6000*0.09*2 I=\$1080
 expressions/607611: Which is equivalent to the following expression? (3x + 1)(4x - 1) 1 solutions Answer 382800 by rfer(12670)   on 2012-05-06 14:18:58 (Show Source): You can put this solution on YOUR website!12x^2-3x+4x-1= 12x^2+x-1
 Travel_Word_Problems/607576: 40km in 1hr how do i work out how long it takes to travel 2km ?1 solutions Answer 382792 by rfer(12670)   on 2012-05-06 13:06:51 (Show Source): You can put this solution on YOUR website!40/1=2/x 40x=2 x=2/40 x=0.05 hrs or 3 minutes
 Money_Word_Problems/607569: if a bussiness borrows 20,000 and repays 32,000 i 6 years,what is the simple interet rate1 solutions Answer 382791 by rfer(12670)   on 2012-05-06 13:05:16 (Show Source): You can put this solution on YOUR website!32000-20000=12000 12000/6=2000 2000/20000=0.10=10%
 Linear-systems/607587: Please solve. 3x = y + 5 x + 2y = 4 My answer is y=1, x=2 (apparently I solve differently than my son's teacher) 1 solutions Answer 382790 by rfer(12670)   on 2012-05-06 13:02:08 (Show Source): You can put this solution on YOUR website!3x=y+5 same as y=3x-5 x+2y=4 x+2(3x-5)=4 x+6x-10=4 7x=14 x=2 -------------- 2+2y=4 2y=2 y=2/2 y=1 ------------- 3*2=5+1 I get the same as you do. Bob
 Angles/607564: An angle measures 44° less than the measure of a supplementary angle. What is the measure of each angle? 1 solutions Answer 382788 by rfer(12670)   on 2012-05-06 12:58:02 (Show Source): You can put this solution on YOUR website!x+x-44=180 2x=224 x=224/2 x=112 x-44=68
 Systems-of-equations/607402: I'f a dozen apples cost 2.35 how much will 8 apples cost1 solutions Answer 382685 by rfer(12670)   on 2012-05-05 19:22:18 (Show Source): You can put this solution on YOUR website!12/2.35=8/X 12X=18.8 X=18.8/12 X=1.57
 Linear-equations/607423: find the slope if it exists, of the lines containing the pair of points. (-8,-11) and (-20,-19)1 solutions Answer 382684 by rfer(12670)   on 2012-05-05 19:19:14 (Show Source): You can put this solution on YOUR website!m=(-19--11)/(-20--8) M=-7/-12 m=7/12
 Surface-area/607368: find the area of a cube that has edges 4 inches long 1 solutions Answer 382664 by rfer(12670)   on 2012-05-05 16:22:33 (Show Source): You can put this solution on YOUR website!A=4*4*6 A=96 sq in