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Polynomials-and-rational-expressions/389255: 2x-3/5=x+2/6 1 solutions Answer 275792 by rfer(12647)   on 2010-12-29 13:11:59 (Show Source): You can put this solution on YOUR website! x=2/6+3/5 x=10/30+18/30 x=28/30 x=14/15

Money_Word_Problems/389153: A phone company offers two monthly charge plans. In Plan A, there is no monthly fee, but the customer pays $0.06 per minute of use. In Plan B, the customer pays a monthly fee of $4.80 and then an additional $0.03 per minute of use. For what amounts of monthly phone use will Plan A cost more than Plan B? Use m for the number of minutes of phone use in a month, and solve your inequality for m . 1 solutions Answer 275704 by rfer(12647)   on 2010-12-28 21:44:53 (Show Source): You can put this solution on YOUR website! 0.06m > 4.80+0.03m 0.03m > 4.80 m > 160 minutes

Volume/389137: Find the volume of a sphere with a 3inch radius(use 3.14)? Find the volume of cone that is 9in high and has a 3inch radius?(use 3.14) Find the area of a triangular piece of cloth that has a 10cm base and is 15cm high Thank-U !! God Bless U 1 solutions Answer 275703 by rfer(12647)   on 2010-12-28 21:40:23 (Show Source): You can put this solution on YOUR website! 1) V=Pid^3/6 V=3.14*6^3/6 V=113 cu cm 2) V=Pir^2h/3 V=3.14*3^2*9/3 V=84.78 cu in 3) A=l*w/2 A=10*15/2 A=75 sq cm

Numbers_Word_Problems/389151: two less than five times a number is 28. What is the number? 1 solutions Answer 275680 by rfer(12647)   on 2010-12-28 19:10:17 (Show Source): You can put this solution on YOUR website! 5x-2=28 5x=30 x=6

Equations/389145: Choose the statement that describes its solution. If applicable, give the solution 2(u-1)+8=6(2u-4) * no solution * u= * All Real Numbers are solution 1 solutions Answer 275679 by rfer(12647)   on 2010-12-28 19:09:10 (Show Source): You can put this solution on YOUR website! 2u-2+8=12u-24 -10u=-30 u=3 -----------------

Rectangles/389160: find the area of a figure with these dimensions rectangle : 8 cm by 26 cm square : 9 cm parallelogram:b=21 cm; h = 9cm rectangle : 15ft by 2ft 3m by 7.5m 1 solutions Answer 275678 by rfer(12647)   on 2010-12-28 19:06:14 (Show Source): You can put this solution on YOUR website! A=L*W A=8*26 A=208 sq cm ------ A=9*9 A=81 sq cm you try the others

Volume/389134: Find the volume of the box Length 2in,Width 6in,Height 3in 1 solutions Answer 275643 by rfer(12647)   on 2010-12-28 16:26:54 (Show Source): You can put this solution on YOUR website! 2*6*3=36 cu in

Rational-functions/389119: find the x- and y- intercepts. 8x-2y= 16 x-intercept (x,y) = (__________,_________) y-intercept (x,y) = (__________,_________) Use the intercepts to graph the equation. Please help!! 1 solutions Answer 275632 by rfer(12647)   on 2010-12-28 15:19:14 (Show Source): You can put this solution on YOUR website! x int (2,0) y int (0,-8)

Volume/389117: If the base of a 40 inch high cone is 12 inches in diameter, what is the volume of the cone? 1 solutions Answer 275630 by rfer(12647)   on 2010-12-28 15:17:49 (Show Source): You can put this solution on YOUR website! V=(pir^2h)/3 V=3.14*6^2*40/3 V=4521.6/3 V=1507.2 cu in

Graphs/389067: yao defen is one of the tallest women on earth. her mother is 13 inches less than 3/4 as tall as yao.If yao's mother is 56 iches tall, (4 feet 8 inches) how tall in inches is yao? 1 solutions Answer 275628 by rfer(12647)   on 2010-12-28 15:14:29 (Show Source): You can put this solution on YOUR website! 56+13=69 69/.75=92 in

Linear-equations/388974: p(0,3); q((-10,-13) what is the mid point of line segment 1 solutions Answer 275430 by rfer(12647)   on 2010-12-27 20:23:10 (Show Source): You can put this solution on YOUR website! (-5,-5)

Polynomials-and-rational-expressions/388967: Pls show each step in the solution: Divide: (x^2 + x - 6) divided by (x + 3) 1 solutions Answer 275427 by rfer(12647)   on 2010-12-27 20:15:01 (Show Source): You can put this solution on YOUR website! x-2 r 0 I can show it best on an e-mail. Send me a thank you with the problem and I will walk through it. Bob

Polynomials-and-rational-expressions/388968: Using long division, please solve x^2 + 7x + 10 divided by x + 3 1 solutions Answer 275425 by rfer(12647)   on 2010-12-27 20:13:02 (Show Source): You can put this solution on YOUR website! x+4 r-2

Pythagorean-theorem/388931: the square of the hypotenuse of this triangle is 400 cm. Determine the actual measures of the hypotenuse and sides a and b of this right triangle. 1 solutions Answer 275358 by rfer(12647)   on 2010-12-27 15:03:27 (Show Source): You can put this solution on YOUR website! 12, 16, 20 triangle

Age_Word_Problems/388859: There are two brothers and two sisters. in 10 years they will total 100 in their ages. How much will the total be in 7 years? 88 ?? 1 solutions Answer 275264 by rfer(12647)   on 2010-12-26 18:21:29 (Show Source): You can put this solution on YOUR website! 10/100=7/x 10x=700 x=70

logarithm/388832: How do you solve the following word problem: The pH of water in a small lake in Northern Quebec has dropped from 5.4 to 3.8 in the last 3 years. How many times as acidic as it was 3 years ago, is the lake now? 1 solutions Answer 275262 by rfer(12647)   on 2010-12-26 17:50:25 (Show Source): You can put this solution on YOUR website! each number is ten times more acidic than the number higher. 5.4-3.8=1.6 10*10*0.6=60 times more acidic

Numbers_Word_Problems/388853: 72 is subtracted from 3 times a number. The result is 3 times the difference. What is the number? I'm getting Number is 36 is that correct? 1 solutions Answer 275261 by rfer(12647)   on 2010-12-26 17:44:26 (Show Source): You can put this solution on YOUR website! 3x-72=(3x-72)3 3x-72=9x-216 -6x=-144 x=24 I get 24, I hope I set it up correctly.

Quadratic_Equations/388820: Which equation represents the line that passes through the points (-4,-1) and (-1,-7)? 1 solutions Answer 275231 by rfer(12647)   on 2010-12-26 12:53:14 (Show Source): You can put this solution on YOUR website! m=(-7--1)/(-1--4) m=-6/3 m=-2 --------------- y=mx+b -1=-2*-4+b -1=8+b b=-9 ------------- y=-2x-9

Equations/388822: At 18 feet above ground level, Ryan steps onto an escalator that descends at a constant rate of 1.5 feet per second. Ryan's distance from the ground is given by the following formula where d is the distance from the ground, in feet,and n is the number of seconds he has been on the escalator. d=18-1.5n In how many seconds after Ryan steps onto the escalator will he be 8.25 feet from the ground? 1 solutions Answer 275230 by rfer(12647)   on 2010-12-26 12:50:22 (Show Source): You can put this solution on YOUR website! 9.75=18-1.5n 9.75-18=-1.5n -8.25=-1.5n n=5.5 sec

Linear-equations/388823: Please help. The line passing though (7,y) and (1,0) is parallel to the line joining (4,4)and (-2,1). Find y. 1 solutions Answer 275229 by rfer(12647)   on 2010-12-26 12:44:46 (Show Source): You can put this solution on YOUR website! m=(1-4)/(-2-4) m=-3/-6 m=1/2 ------------------ y=mx+b 0=1/2*1+b b=-1/2 --------------- y=1/2*7+1/2 y=7/2+1/2 y=8/2 y=4

Linear-equations/388824: Write the point-slope form of the line's equation satisfying the given conditions. Then use the point-slope form of the equation to write the slope-intercept form. Slope m=-5. passing through (7,4) 1 solutions Answer 275228 by rfer(12647)   on 2010-12-26 12:38:32 (Show Source): You can put this solution on YOUR website! y=mx+b 4=-5*7+b 4=-35+b b=39 --------------- y=-5x+39

Linear_Equations_And_Systems_Word_Problems/388753: In an election, Rodel got 5 less votes than Joel,who in turn got 1 more than the number of votes that Marian received. The total number of votes was 72. How many votes did the winner of the election received? 1 solutions Answer 275134 by rfer(12647)   on 2010-12-25 00:06:54 (Show Source): You can put this solution on YOUR website! M=x R=(x+1)-5 J=x+1 x+(x+1)-5+x+1=72 3x-3=72 3x=75 x=25 x+1-5=21 x+1=26

logarithm/388400: 4. You have $760,000 in your bank account. The interest rate in your account is 5%. Solve for the following: a. How much interest will you accumulate if interest is compounded annually over the next five years? b. How much interest will you earn in your account over the next five years with continuous compounding? You can use a scientific calculator or the =Exp() function in Microsoft Excel. If you are crafty you can also find web pages that will do the calculations for you. Regardless, show your steps and your work. 1 solutions Answer 274707 by rfer(12647)   on 2010-12-22 01:30:53 (Show Source): You can put this solution on YOUR website! a) A=760000(1+0.05)^5 A=760000*1.27628 A=969972.80 Interest=$209,972.80 b) A=760000*(2.7183)^0.05*5 A=975860.95 Interest=$215,860.95

Linear_Equations_And_Systems_Word_Problems/388380: The formula for potential energy is P=mgh, where p is potential energy, m is mass, g is gravity, and h is hieght. Which expression can be used to represent g? 1 solutions Answer 274676 by rfer(12647)   on 2010-12-21 21:31:16 (Show Source): You can put this solution on YOUR website! g=p/(mh)

Linear_Equations_And_Systems_Word_Problems/388377: In the equation A= p+prt, t is equivalent to? 1 solutions Answer 274675 by rfer(12647)   on 2010-12-21 21:30:00 (Show Source): You can put this solution on YOUR website! t= number of years

Quadratic_Equations/388164: the question reads: Acme inc. lays off 15% of workforce 270 people lose jobs write an equation to describe the number of workers at acme inc. before the layoffs. let w the number of workers before the layoffs 1 solutions Answer 274449 by rfer(12647)   on 2010-12-20 20:55:04 (Show Source): You can put this solution on YOUR website! 270/0.15=1800

Functions/388127: Can you please help me to understand how to do the following? Thank you. Find specified values of functions. 1. Find f(-1) given f(x) =x^3 + 2x^2 +27 1 solutions Answer 274438 by rfer(12647)   on 2010-12-20 18:01:11 (Show Source): You can put this solution on YOUR website! f(-1)=-1^3+2*-1^2+27 f(-1)=-1+2+27 f(-1)=28

Linear-equations/388110: write an equation for the line that is parallel to the given line and that passes through the given point. y = -1/2 x – 10; (0, –19) 1 solutions Answer 274434 by rfer(12647)   on 2010-12-20 17:43:18 (Show Source): You can put this solution on YOUR website! y=-1/2x-10 (0,-19) is the y intercept new equation is y=-1/2x-19

Linear-equations/388103: For questions 9–10, write an equation for the line that is parallel to the given line and that passes through the given point. 9. y = –5x + 3; (–6, 3) 1 solutions Answer 274428 by rfer(12647)   on 2010-12-20 16:28:49 (Show Source): You can put this solution on YOUR website! 3=-5*-6+b 3=30+b b=-27 -------------- y=-5x-27

Graphs/388104: 4+10x+5-9x 1 solutions Answer 274426 by rfer(12647)   on 2010-12-20 16:26:05 (Show Source): You can put this solution on YOUR website! x+9

Money_Word_Problems/388102: During a sale, a sporting good store gave a 40% discount on sleeping bags. How much did Nasir pay for a sleeping bag with an original price of $75? 1 solutions Answer 274424 by rfer(12647)   on 2010-12-20 16:15:13 (Show Source): You can put this solution on YOUR website! 75*.60=$45