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Equations/398916: solve:(5x-6)(5x-6) 1 solutions Answer 282567 by rfer(12647)   on 2011-01-24 13:24:11 (Show Source): You can put this solution on YOUR website! 25x^2-60x+36

Linear_Equations_And_Systems_Word_Problems/398920: In one day, a store sold 8/5 as many DVD's as CD's.The total number of DVD's and CD's sold that day was 273. How many DVD's sold 1 solutions Answer 282566 by rfer(12647)   on 2011-01-24 13:22:36 (Show Source): You can put this solution on YOUR website! x+1.6x=273 2.6x=273 x=105 cd's 1.6x=168 dvd's --------- x+8/5x=273 13/5x=273 x=273*5/13 x=1365/5 x=105 8/5x=168

Money_Word_Problems/398792: invest 7000 in an account pay 3% compounded monthly how much in account after 11 months 1 solutions Answer 282476 by rfer(12647)   on 2011-01-24 00:38:27 (Show Source): You can put this solution on YOUR website! A=7000(1+0.03/12)^11 A=7000(1.0025)^11 A=7194.92

test/398747: What is the answer to 2 1/2(x-1)=-95/9? 1 solutions Answer 282475 by rfer(12647)   on 2011-01-24 00:35:44 (Show Source): You can put this solution on YOUR website! 2.5x-2.5=-95/9 2.5x=-95/9+25/10 25/10x=-950/90+225/90 25/10x=-725/90 x=-725/90*10/25 x=-7250/2250 x=-3 2/9

Trigonometry-basics/398752: Find the comlement and the supplement of an angle with 14°20' 1 solutions Answer 282474 by rfer(12647)   on 2011-01-24 00:29:59 (Show Source): You can put this solution on YOUR website! 89 60-14 20=75 degrees 40' 179 60-14 20=165 degrees 40'

Linear-equations/398791: which equation is an equation of the line that passes through the point (2,-1)and has a slope of -1 1 solutions Answer 282473 by rfer(12647)   on 2011-01-24 00:25:18 (Show Source): You can put this solution on YOUR website! y=mx+b -1=-1*2+b -1=-2+b b=1 ================ y=-x+1

Money_Word_Problems/398774: You invested $11,000 in two accounts paying 5% and 8% annual interest. If the total interest earned for the year was $730, how much was invested at each rate? 1 solutions Answer 282472 by rfer(12647)   on 2011-01-24 00:23:15 (Show Source): You can put this solution on YOUR website! 0.05x+0.08(11000-x)=730 0.05x+880-0.08x=730 -0.03x=-150 x=5000 at 5% 11000-x=6000 at 8%

absolute-value/398780: 10x-9=1 1 solutions Answer 282471 by rfer(12647)   on 2011-01-24 00:19:53 (Show Source): You can put this solution on YOUR website! 10x-9=1 10x=10 x=1

Travel_Word_Problems/398781: 90 miles in 2 hours 1 solutions Answer 282470 by rfer(12647)   on 2011-01-24 00:19:10 (Show Source): You can put this solution on YOUR website! 45 mph

Quadratic_Equations/398784: can u please help i have went blank and dont even know where to begin with this problem 2(x+2)+(x+3)^2=x(x+5)+2 (17/2 +x) any help would be appreciated thank you! 1 solutions Answer 282469 by rfer(12647)   on 2011-01-24 00:18:43 (Show Source): You can put this solution on YOUR website! 2x+4+x^2+6x+9=x^2+5x+17+2x combine like terms x=4

Linear-systems/398679: what is the value of (7+5x-6y)+(2y+8x-3) 1 solutions Answer 282425 by rfer(12647)   on 2011-01-23 20:41:55 (Show Source): You can put this solution on YOUR website! 13x-4y+4

Rectangles/398699: The area of a rectangle is 4 ft2. If the length is 5 ft, what is the width? 1 solutions Answer 282424 by rfer(12647)   on 2011-01-23 20:39:36 (Show Source): You can put this solution on YOUR website! L*W=4 5*W=4 W=4/5 or 0.8 Ft

Travel_Word_Problems/398154: A part time construction worker earned $7300. He invested some money at 7 percent and the rest at 6 percent. If he received $458 total in interest at the end of the year, how much of his money was invested at 7 percent? 1 solutions Answer 282217 by rfer(12647)   on 2011-01-22 20:40:20 (Show Source): You can put this solution on YOUR website! 0.07x+0.06(7300-x)=458 0.07x+438-0.06x=458 0.01x=20 x=2000 at 7% 7300-x=5300 at 6%

real-numbers/398139: I am not sure if I am understanding how to do this problem?: 5 - 2^4 divided by 16 x 3 - 4 = I know 2^4 is 2 x 2 x 2 x 2 = 16 = so wouldn't 5 - 16 = -11 The rest I am not sure how to figure out. 1 solutions Answer 282214 by rfer(12647)   on 2011-01-22 20:32:16 (Show Source): You can put this solution on YOUR website! follow the order of operations all the way through you get (5-16)/(48-4)=-11/44

Triangles/398251: measure of the acute angle in a right triangle are in the ration of 6:2 ,find the measure of the smaller angle? 1 solutions Answer 282208 by rfer(12647)   on 2011-01-22 20:22:51 (Show Source): You can put this solution on YOUR website! 6x+2x=90 8x=90 x=11.25 6x=67.5 2x=22.5

Polynomials-and-rational-expressions/398232: Divide. (9x^3-10+19+6x^4)/(-2x^2+3x-3) Write your answer in the form Q(x)+ R(x)/ -2x^2+3x-3, where Q(x) is the quotient and R(x) is the remainder. 1 solutions Answer 282207 by rfer(12647)   on 2011-01-22 20:21:04 (Show Source): You can put this solution on YOUR website! Q(-3x^2-9x-9) R(-15)

Triangles/398246: two sides of a triangle have lengths 6 and 8. what lengths are possible for the third side? explain 1 solutions Answer 282203 by rfer(12647)   on 2011-01-22 20:07:55 (Show Source): You can put this solution on YOUR website! 10 this is a 3,4,5 triangle. 6^2+8^2=100 sqrt 100=10

Linear-equations/398163: I am having difficulty in solving this equation: -(z+4)+(3z+1)=-2(z+1) Can you please help? 1 solutions Answer 282131 by rfer(12647)   on 2011-01-22 15:20:45 (Show Source): You can put this solution on YOUR website! -z-4+3z+1=-2z-2 4z=1 z=1/4

expressions/398179: 2[5+2(8-3)]= 1 solutions Answer 282128 by rfer(12647)   on 2011-01-22 15:17:06 (Show Source): You can put this solution on YOUR website! 2[5+2(8-3)] 2[5+10] 2*15=30

Travel_Word_Problems/398184: which car is going faster a car going 83 miles or a car going 54 miles? 1 solutions Answer 282127 by rfer(12647)   on 2011-01-22 15:15:38 (Show Source): You can put this solution on YOUR website! need more info

Linear-systems/398195: Can you solve this system ? -3x+2y=4 6x-4y=14 1 solutions Answer 282124 by rfer(12647)   on 2011-01-22 15:13:48 (Show Source): You can put this solution on YOUR website! The x cancils so no solution

Inequalities/396509: -3x - 2 > x + 10 another iniquality i cannot solve 1 solutions Answer 281271 by rfer(12647)   on 2011-01-18 22:07:59 (Show Source): You can put this solution on YOUR website! -4x > 12 x < -3 reverse the symble when dividing by a minus

Polynomials-and-rational-expressions/396423: Factor the polynomial: 5x to the 4th power-40xy to the 3rd power 5x to the 4th- 5*x*x*x*x 40xy cubed- 2*2*2*5*x*y*y*y I'm seriously confused. Please help. I'm really lost on the steps. Thank you. Meghan White 1 solutions Answer 281268 by rfer(12647)   on 2011-01-18 22:06:17 (Show Source): You can put this solution on YOUR website! 5x(x^3-8y^3)

percentage/396489: Of the 652 students enrolled at Lincoln High School, 160 are of Hispanic descent. Approximately what percentage of the student enrollment is of hispanic descent? 1 solutions Answer 281265 by rfer(12647)   on 2011-01-18 21:59:03 (Show Source): You can put this solution on YOUR website! 160/652=0.245=24.5%

Polynomials-and-rational-expressions/396495: this is a division problem xsquared+7x+12 by x+3= 1 solutions Answer 281262 by rfer(12647)   on 2011-01-18 21:57:13 (Show Source): You can put this solution on YOUR website! x+4 with R of 0

expressions/396500: 12+4y=-32 how do you solve this problem 1 solutions Answer 281258 by rfer(12647)   on 2011-01-18 21:54:45 (Show Source): You can put this solution on YOUR website! 12+4y=-32 subtract 12 4y=-32-12 4y=-44 divide by 4 y=-11

Inequalities/396507: I cannot solve the inequality, can you help me step by step 3x-5<6-2x 1 solutions Answer 281257 by rfer(12647)   on 2011-01-18 21:53:21 (Show Source): You can put this solution on YOUR website! work it just like an equation 3x-5 < 6-2x 5x < 11 x < 2.2

Rectangles/396506: if perimeter of a square is 150, find the area 1 solutions Answer 281254 by rfer(12647)   on 2011-01-18 21:51:31 (Show Source): You can put this solution on YOUR website! 150/4=37.5 37.5^2=1406.25 sq units

Geometry_Word_Problems/396478: How do I set up and solve: A ladder rests against ahouse at 15ft, the length of the ladder is 5 feet more than the distance from the house. What is the length of the ladder? 1 solutions Answer 281228 by rfer(12647)   on 2011-01-18 21:01:15 (Show Source): You can put this solution on YOUR website! 15^2+5^2=c^2 225+25=250 sqrt 250=15.8 ft

Length-and-distance/396486: find the radius and diameter of a circle whose circumference is 60π meters? 1 solutions Answer 281226 by rfer(12647)   on 2011-01-18 20:59:08 (Show Source): You can put this solution on YOUR website! d=60 r=30

Graphs/396487: Need help please Tell whether the ordered pair is a solution of the equation. x-2y=8; (-6, -7) 1 solutions Answer 281224 by rfer(12647)   on 2011-01-18 20:58:03 (Show Source): You can put this solution on YOUR website! x-2*-7=8 x+14=8 x=-6 yes, it works