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Inequalities/311929: 4.5s + 1= 14.5 (show all work) 2(a+6.5)=20 , w over 7-4= -2.5 , -(2r-1)=2(3-2r) HELP I NEED THE ANSWERS TO THESE IM CONFUSED 1 solutions Answer 223050 by rfer(12644)   on 2010-06-06 22:46:19 (Show Source): You can put this solution on YOUR website! 4.5s+1=14.5 4.5s=13.5 s=3 ------------- 2(a+6.5)=20 2a+13=20 2a=7 a=3.5 --------------- w/(7-4)=-2.5 w=-5.5 ---------------- -(2r-1)=2(3-2r) -2r+1=6-6r 4r=5 r=1.25

Rectangles/311777: how do you get the area of a rectangle when a perimeter of 30 feet is given and the length of the rectangle is four times the width? 1 solutions Answer 222970 by rfer(12644)   on 2010-06-06 16:57:41 (Show Source): You can put this solution on YOUR website! 2x+2(4x)=30 2x+8x=30 10x=30 x=3 4x=12 3*12=36 sq ft

Points-lines-and-rays/311788: Find the perimeter and area of a right triangle if the shortest side is 16 in. and the longest side is 34 in. Include correct units with each part of your solution. Show work. 1 solutions Answer 222969 by rfer(12644)   on 2010-06-06 16:54:15 (Show Source): You can put this solution on YOUR website! (16*34)/2=272 sq in area 16^2+34^2=c^2 256+1156=1412 c=37.58 in 16+34+37.58=87.58 in perimeter

Numbers_Word_Problems/311813: While on a four-week hiking trip in the mountains, the Tryon family washed 11 loads of clothes at The Mountain View Laundry. The 20-lb capacity washing machine costs $1.50 per load while the 30-lb costs $2.50. Their total laundry expense was $20.50. How many loads were laundered in each size washing machine? 1 solutions Answer 222967 by rfer(12644)   on 2010-06-06 16:47:21 (Show Source): You can put this solution on YOUR website! x+y=11 y=11-x 1.5x+2.5y=20.5 1.5x+2.5(11-x)=20.5 1.5x+27.5-2.5x=20.5 -x=-7 x=7 y=13

Evaluation_Word_Problems/311826: If Plan A cost 35 dollars every month and 10 cent per text and Plan B cost 18 dollars every month and 20 cent per text. How many text messages will they have to make for them to cost the same? 1 solutions Answer 222966 by rfer(12644)   on 2010-06-06 16:40:25 (Show Source): You can put this solution on YOUR website! 35+.1x=18+.2x -.1x=-17 x=170 text

Geometry_Word_Problems/311821: a ramp in san francisco at the hotel nikko rises 5.6 inches over a horizontal span of 4'7" solve using pythagorean theorem,(step by step). 1 solutions Answer 222965 by rfer(12644)   on 2010-06-06 16:38:00 (Show Source): You can put this solution on YOUR website! a^2+b^2=c^2 5.6^2+55^2=c^2 31.36+3025=3056.36 c=55.28 in = 4'7.2"

Linear-equations/311824: determine wheather (-9,1) is a solution of 4x-6y=-8 yes or no 1 solutions Answer 222962 by rfer(12644)   on 2010-06-06 16:33:21 (Show Source): You can put this solution on YOUR website! 4*-9-6y=-8 -36-6y=-8 -6y=28 y=-4.66 NO

Angles/311533: The difference between the measures of two complementary angles is 16. Determine the measures of the two angles. 1 solutions Answer 222893 by rfer(12644)   on 2010-06-05 21:07:39 (Show Source): You can put this solution on YOUR website! x+x+16=90 2x+16=90 2x=74 x=37 degrees x+16=53 degrees

Geometric_formulas/311574: The base of a triangle is one-third as long as its height. If the area of the triangle is 24 square meters, how long is its base? 1 solutions Answer 222892 by rfer(12644)   on 2010-06-05 21:00:52 (Show Source): You can put this solution on YOUR website! x*3x=48 3x^2=48 x^2=16 x=4 meters 3x=12 meters

Length-and-distance/311623: what is the length of each diagonal of a cube that is 45cm on each side 1 solutions Answer 222889 by rfer(12644)   on 2010-06-05 20:56:39 (Show Source): You can put this solution on YOUR website! 45^2+45^2=c^2 2025+2025=4050 c=63.64 cm

Circles/311446: I need an answer from Student Solutions Manual, 2nd Edition (ISBN-10: 0-13-187971-5) for College Geometry, 2nd Edition by Musser, Trimpe and Maurer (ISBN-10: 0-13-187969-3) Section 7.1, Question #50 Can you help? 1 solutions Answer 222784 by rfer(12644)   on 2010-06-04 22:06:38 (Show Source): You can put this solution on YOUR website! post the problem

Systems-of-equations/311450: Simplify 9[65-(30-53)] 1 solutions Answer 222783 by rfer(12644)   on 2010-06-04 22:05:35 (Show Source): You can put this solution on YOUR website! 9[65-(30-53)] 9[65+23] 9*88=792

Linear_Equations_And_Systems_Word_Problems/311444: Hi, My name is Gary Baldwin and I am having trouble setting up this word problem. I am suppose to set it up into 2 linear equations and solve them. OK, here is the problem: Two programmers are working on writing a new program that will check for viruses when incoming messages enter the company’s server. The first programmer, Sammy, plans to mark up the price of his virus program by 35%, whereas the second programmer, Martin, plans to mark up the price of his virus program by 54%. If Sammy’s program sells for $285 and Martin’s program sells for $325, who originally had the cheaper program before the price markup. Thank you in advance for your help Sincerely, Gary Baldwin 1 solutions Answer 222775 by rfer(12644)   on 2010-06-04 21:30:43 (Show Source): You can put this solution on YOUR website! 285/1.35=$211.11 325/1.54=$211.04

Expressions-with-variables/311261: 3x+(-8y)-10x+4x 1 solutions Answer 222640 by rfer(12644)   on 2010-06-04 11:46:50 (Show Source): You can put this solution on YOUR website! -3x-8y

Linear-equations/311256: What is the slope of 4y=x+4 1 solutions Answer 222639 by rfer(12644)   on 2010-06-04 11:38:44 (Show Source): You can put this solution on YOUR website! y=1/4x+1 slope = 1/4

Triangles/311268: What is the measure of an angle that supplementary to an angle measuring 42 degrees 1 solutions Answer 222638 by rfer(12644)   on 2010-06-04 11:37:32 (Show Source): You can put this solution on YOUR website! 180-42=138 degrees

percentage/311138: 18 is what percent of 360? 1 solutions Answer 222547 by rfer(12644)   on 2010-06-03 21:37:41 (Show Source): You can put this solution on YOUR website! 18/360=0.05=5%

Angles/311166: Find the supplementary angle of the given angle. 148.7˚ 1 solutions Answer 222546 by rfer(12644)   on 2010-06-03 21:35:50 (Show Source): You can put this solution on YOUR website! 180-148.7=31.3 degrees

Travel_Word_Problems/311178: if you travel at an average speed of 50 miles per hour, how far will you travel in 5 (3/5) hours? 1 solutions Answer 222544 by rfer(12644)   on 2010-06-03 21:34:25 (Show Source): You can put this solution on YOUR website! 50*5.8=290 miles

Square-cubic-other-roots/310811: how do you solve this problem: square root of 25 divided by the square root of 128 1 solutions Answer 222300 by rfer(12644)   on 2010-06-02 20:57:33 (Show Source): You can put this solution on YOUR website! do the math first 128/25=5.12 sq rt 5.12= 2.2627

Linear-equations/310806: write the slope intercept equation for the line containing the givwn pair of points. (2,3) and (4,1) 1 solutions Answer 222298 by rfer(12644)   on 2010-06-02 20:54:44 (Show Source): You can put this solution on YOUR website! y=-x+5

Equations/310425: The realtion between Celsius and Fahrenheit scale of temperatures is given by:C=(5/9)(F - 32), or, F = (9/5)C +32. Calulate the temperature in Celsius if the temperature in Fahrenheit is 45 F. also, calculate the temperature in Fahrenheit if the temperature in Celsius is 98o C. 1 solutions Answer 222047 by rfer(12644)   on 2010-06-01 21:48:59 (Show Source): You can put this solution on YOUR website! C=(5/9)(F-32) C=(5/9)(45-32) C=(5/9)*13 C=65/9 C=7.22 degrees

Volume/310434: what is the volume of a cylinder if the diameter of its base is 6 yards and the height is 4 yards? 1 solutions Answer 222042 by rfer(12644)   on 2010-06-01 21:44:55 (Show Source): You can put this solution on YOUR website! pir^2h 3.14*3^2*4 V=113.04 cu yrds

Evaluation_Word_Problems/310516: the use seante has 100 memebers after a certain election, there were 4 more democrats than Republicans with no other parties represented how many members of each party were ther in the senate 1 solutions Answer 222039 by rfer(12644)   on 2010-06-01 21:41:52 (Show Source): You can put this solution on YOUR website! x+x+4=100 2x=96 x=48 R x+4=52 D

Percentage-and-ratio-word-problems/310401: Find two numbers whose sum is 160 and that have the ratio 5:3. 1 solutions Answer 221952 by rfer(12644)   on 2010-06-01 18:08:26 (Show Source): You can put this solution on YOUR website! 5x+3x=160 8x=160 x=20 5x=100 3x=60

Linear_Equations_And_Systems_Word_Problems/310439: If a saleman is paid a fixed weekly salary of $400 plus a commission of 8% of his total sales revenue, how can it be written in a linear function expressing the saleman's weekly income as a function of the amount of sales revenue at what rate does the saleman's income change with respect to the sale revenue? 1 solutions Answer 221951 by rfer(12644)   on 2010-06-01 18:05:52 (Show Source): You can put this solution on YOUR website! 400+.08sslea=wages

Rectangles/310209: The perimeter of a rectangle is 48 and the width is half the length. What are its dimensions? 1 solutions Answer 221841 by rfer(12644)   on 2010-05-31 21:18:59 (Show Source): You can put this solution on YOUR website! 2x+2(2x)=48 2x+4x=48 6x=48 x=8 2x=16

Mixture_Word_Problems/310181: University Theater sold 494 tickets for a play. Tickets cost $25 per adult and $10 per senior citizen. If total reciepts were $7100, how many senior citizen tickets were sold? 1 solutions Answer 221840 by rfer(12644)   on 2010-05-31 21:17:22 (Show Source): You can put this solution on YOUR website! a+s=494 a=494-s 25a+10s=7100 25(494-s)+10s=7100 12350-25s+10s=7100 -15s=-5250 s=350 350*10=$3500 494-350=144 adults 144*25=$3600

Angles/310141: If two complementary angles have measures in the ratio of 1 to 5. Find the measure of each angle? 1 solutions Answer 221838 by rfer(12644)   on 2010-05-31 21:11:18 (Show Source): You can put this solution on YOUR website! 90/6=15 degrees 5*15=75 degrees

Rectangles/310071: The perimeter of a rectangular park is 300 feet. The length of the park is 100 feet longer than the width. Find the length of the park. 1 solutions Answer 221797 by rfer(12644)   on 2010-05-31 17:00:39 (Show Source): You can put this solution on YOUR website! 2w+2(w+100)=300 2w+2w+200=300 4w=100 w=25 ft L=125 ft

Miscellaneous_Word_Problems/310074: 2036 concert tickets were sold for a total of $42,332. If students paid $15 and nonstudents paid $23, how many student tickets were sold? 1 solutions Answer 221794 by rfer(12644)   on 2010-05-31 16:58:10 (Show Source): You can put this solution on YOUR website! s+ns=2036 ns=2036-s 15s+23ns=42332 15s+23(2036-s)=42332 15s+46828-23s=42332 -8s=-4496 s=562 ----------------- ns=2036-562 ns=1474 ------------- 15(562)+23(1474)=42332 8430+33902=42332