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Travel_Word_Problems/333791: How fast must you travel in a car to go 84 miles in 56 minutes?
1 solutions

Answer 239211 by rfer(12657) About Me  on 2010-08-22 15:10:10 (Show Source):
You can put this solution on YOUR website!
84/56*60=90 mph


Exponents/333804: The exponent in the product is the ________ of the exponents of the two factors.
1 solutions

Answer 239208 by rfer(12657) About Me  on 2010-08-22 15:05:50 (Show Source):


test/333805: Could you please help me solve this problem that I am learning how to do in my algebra class.
Multiply
(x -8/7) (x + 7/8)
Thanks
1 solutions

Answer 239207 by rfer(12657) About Me  on 2010-08-22 15:05:01 (Show Source):
You can put this solution on YOUR website!
(x-8/7)(x+7/8)
x^2+7/8x-8/7x-56/56
combinr like terms, find common denomiator, reduce
x^2+49/56-64/56-1
x^2-15/56x-1



Equations/333808: Write an equation based on the sentence:
A number x is five more than two times x minus three.
Solve for the value of x and show work.

1 solutions

Answer 239205 by rfer(12657) About Me  on 2010-08-22 14:58:41 (Show Source):
You can put this solution on YOUR website!
x+5=2x-3
x=8
-------------
8+5=2*8-3


Polynomials-and-rational-expressions/333830: what does it mean to refer to a 20 inch tv set or a 25 inch tv set? such units refer to the diagonal of the screen. a 10 inch set also has a width of 8 inches. what is its height?
1 solutions

Answer 239204 by rfer(12657) About Me  on 2010-08-22 14:55:17 (Show Source):
You can put this solution on YOUR website!
100-64=36
sq rt 36=6 in


Rectangles/333855: Find the perimeter of a square whose area is 144 inches square?
1 solutions

Answer 239203 by rfer(12657) About Me  on 2010-08-22 14:53:33 (Show Source):
You can put this solution on YOUR website!
12*12=144
2*12+2*12=48 in


Equations/333820: simplify.
1/3x = -x-6
1 solutions

Answer 239202 by rfer(12657) About Me  on 2010-08-22 14:52:30 (Show Source):
You can put this solution on YOUR website!
1 1/3x=-6
x=-6/1*3/4
x=-18/4
x=-4 1/2


Expressions-with-variables/333823: Graph the lines
How to find the ordered pairs?
2x + 4y = 16
1 solutions

Answer 239201 by rfer(12657) About Me  on 2010-08-22 14:50:43 (Show Source):
You can put this solution on YOUR website!
easy to find the intercepts
(0,4)
(8,0)


Geometric_formulas/333831: 7/4q-2=(-5)or the fraction seven over four times q minus two equals negative five. So, what does q equal?
1 solutions

Answer 239200 by rfer(12657) About Me  on 2010-08-22 14:49:11 (Show Source):
You can put this solution on YOUR website!
7/4q-2=-5
7/4q=-3
q=-3/1*4/7
q=12/7
q=1 5/7


Equations/333824: im trying to write an equation to this
My mother, daughter and I went shopping and I purchased 3 of the same shirts for us to wear for a family photo session that cost $24 each. My mother got her last name airbrushed on the back and her first name on the front of her shirt for an extra cost per airbrushed named. She promised to pay me back for the extra cost of airbrushing. When I got home I realized I had misplaced my receipt. I remember spending $86 total. How much does my mother owe me for the airbrushing
1 solutions

Answer 239199 by rfer(12657) About Me  on 2010-08-22 14:44:39 (Show Source):


Travel_Word_Problems/333833: Any help is appreciated:
A black racer snake travels 39.1 km in 17 hours. What is the speed in km/h?
1 solutions

Answer 239198 by rfer(12657) About Me  on 2010-08-22 14:42:21 (Show Source):
You can put this solution on YOUR website!
39.1/17=2.3 km/h


expressions/333841: Solve: 3> 4+u/-5
1 solutions

Answer 239197 by rfer(12657) About Me  on 2010-08-22 14:40:34 (Show Source):
You can put this solution on YOUR website!
3>4+u/-5
-1>u/-5
5>u


Travel_Word_Problems/333834: Please help:
A particular hybrid car travels approximately 176 miles on 4 gallons of gas. Find the amount of gas required for a 572 mile trip.
1 solutions

Answer 239196 by rfer(12657) About Me  on 2010-08-22 14:38:34 (Show Source):
You can put this solution on YOUR website!
4/176=x/572
176x=2288
x=13 gal


Equations/333839: Simplify completely: (5/6 ÷ 5/3)+ 3/7
This is how I started off..
5/6 x 3/5= 15/30 ?
Thanks for helping!
1 solutions

Answer 239195 by rfer(12657) About Me  on 2010-08-22 14:36:51 (Show Source):
You can put this solution on YOUR website!
5/6*3/5+3/7
15/30+3/7
1/2+3/7
7/14+6/14=13/14


Linear-systems/333676: 4x-y-2=0 write in slope intercept form.and sketch the line
1 solutions

Answer 239133 by rfer(12657) About Me  on 2010-08-21 22:57:21 (Show Source):
You can put this solution on YOUR website!
4x-y-2=0
-y=-4x+2
y=4x-2


Equations/333682: 2/3(X-2)-1=1/4(x-3)
1 solutions

Answer 239131 by rfer(12657) About Me  on 2010-08-21 22:56:04 (Show Source):
You can put this solution on YOUR website!
2/3x-4/3-1=1/4x-3/4
8/12x-3/12x=1/3
5/12x=4/12
x=4/12*12/5
x=48/60
x=4/5


Geometry_Word_Problems/333678: a can of paint will cover 70 square feet. how many cans of paint are needed to paint a wall 5 feet high and 98 feet long?
1 solutions

Answer 239130 by rfer(12657) About Me  on 2010-08-21 22:52:25 (Show Source):
You can put this solution on YOUR website!
(5*98)/70=7 gal


Coordinate-system/333691: Determine the x- and y- intercept of y= 3/2x - 2

1 solutions

Answer 239128 by rfer(12657) About Me  on 2010-08-21 22:50:44 (Show Source):
You can put this solution on YOUR website!
y int b=-2 (0,-2)
x int = (4/3,0)


Geometry_Word_Problems/333714: The width of a rectangle is four feet more than one-third of its length. The perimeter is 64 feet. What are the length and the width?
1 solutions

Answer 239127 by rfer(12657) About Me  on 2010-08-21 22:47:32 (Show Source):
You can put this solution on YOUR website!
2(1/3x+4)+2x=64
2/3x+8+2x=64
8/3x=56
x=56/1*3/8
x=168/8
x=21
1/3x+4=11


Linear-equations/333693: Complete the ordered pair (-2, ? ) so that it is a solution to the linear equation y = -5x - 4
1 solutions

Answer 239125 by rfer(12657) About Me  on 2010-08-21 22:43:00 (Show Source):
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y=-5*-2-4
y=10-4
y=6
(-2,6)


Triangles/333532: What is the largest possible perimeter of an isosceles triangle with a vertex angle of 60°, if all of its sides are integers and no side is longer than 20?

1 solutions

Answer 239079 by rfer(12657) About Me  on 2010-08-21 17:42:22 (Show Source):


Money_Word_Problems/333549: A grocery store is having a sale on bananas: 25 cents per pound. They lose 11 cents per pound by having this sale (it costs them 36 cents per pound to buy them). How many pounds of bananas did they sell if they lost $123.20 in total?
1 solutions

Answer 239077 by rfer(12657) About Me  on 2010-08-21 17:39:22 (Show Source):
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123.20/.11=1120 lbs


Triangles/333586: Determine the length of the leg of a 45o – 45o – 90o triangle with a hypotenuse length of 15 inches
1 solutions

Answer 239063 by rfer(12657) About Me  on 2010-08-21 16:41:24 (Show Source):
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each leg 10.6 in


Graphs/333588: write an equation of a line with given slope -2/3 and given y intercept (0,5), leave answer in slope intercept form
1 solutions

Answer 239057 by rfer(12657) About Me  on 2010-08-21 15:49:30 (Show Source):


Graphs/333596: What is the slope m and y-intercept point of the line 3x – y = –2?
1 solutions

Answer 239056 by rfer(12657) About Me  on 2010-08-21 15:46:43 (Show Source):
You can put this solution on YOUR website!
3x-y=-2
-y=-3x-2
y=3x+2
slope m=3
y int b=2


Radicals/333642: 28/sqrt ( 8 )
1 solutions

Answer 239054 by rfer(12657) About Me  on 2010-08-21 15:44:23 (Show Source):


Pythagorean-theorem/333623: find the cost of carpeting the rectangular room with dimensions 6.5m x 4.5m; cost = 13.85/m^2
1 solutions

Answer 239052 by rfer(12657) About Me  on 2010-08-21 15:43:12 (Show Source):
You can put this solution on YOUR website!
6.5*4.5=29.25
29.25*13.85=405.11


test/333626: How do you do algebra I need help understanding algebra
1 solutions

Answer 239048 by rfer(12657) About Me  on 2010-08-21 15:36:52 (Show Source):
You can put this solution on YOUR website!
Get a GED math book


Travel_Word_Problems/333616: A cyclist leaves home and rides due east for a distance of 25 km. She returns home on the same bike path.If the entire trip takes 3 h, what is her average speed?

1 solutions

Answer 239046 by rfer(12657) About Me  on 2010-08-21 15:36:21 (Show Source):


Money_Word_Problems/333640: Henri purchased a stero from a wholesaler for $400 and then sold it in his electronic warehouse for $450. What was his markup as a percentage of his purchase price?
1 solutions

Answer 239044 by rfer(12657) About Me  on 2010-08-21 15:34:21 (Show Source):
You can put this solution on YOUR website!
50/400=0.125=12.5%


Travel_Word_Problems/333629: an airplane travels 40 miles in 5 minutes. what is its speed in miles pre hours
1 solutions

Answer 239043 by rfer(12657) About Me  on 2010-08-21 15:33:04 (Show Source):
You can put this solution on YOUR website!
40*(60/5)=480 mph