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Angles/413380: Which angle measure represents the complement of an angle whose measure is 84 degrees?

1 solutions

Answer 290106 by rfer(12677) About Me  on 2011-02-23 22:58:43 (Show Source):
You can put this solution on YOUR website!
90-84=6 degrees


Linear-systems/413385: what is the answer of 75 divided by 226
1 solutions

Answer 290105 by rfer(12677) About Me  on 2011-02-23 22:57:50 (Show Source):


Equations/413388: 1/2x+2/3=1/6
1 solutions

Answer 290104 by rfer(12677) About Me  on 2011-02-23 22:56:44 (Show Source):
You can put this solution on YOUR website!
1/2x=1/6-4/6
1/2x=-3/6
x=-1/2*2/1
x=-2/2
x=-1


percentage/413353: She draw line segment 2 7/8in long then she erased 1/2in how long is the line segment now?
1 solutions

Answer 290096 by rfer(12677) About Me  on 2011-02-23 21:55:20 (Show Source):
You can put this solution on YOUR website!
2 7/8-1/2
2 7/8-4/8=2 3/8


Travel_Word_Problems/413354: find the average speed if distance = 220 miles and time = 4 hours
1 solutions

Answer 290095 by rfer(12677) About Me  on 2011-02-23 21:53:41 (Show Source):


Rectangles/413357: points (1,5),(4,5)and (1,0) represent three coners of a rectangle:find the fourth coordinates of the point.
1 solutions

Answer 290094 by rfer(12677) About Me  on 2011-02-23 21:52:32 (Show Source):


Exponents/413291: 4r^-3 times 2r^2
1 solutions

Answer 290093 by rfer(12677) About Me  on 2011-02-23 21:50:50 (Show Source):


Polynomials-and-rational-expressions/413280: how do you divide (4x^3 - 6x^2 + 7)/(2x + 3)
1 solutions

Answer 290092 by rfer(12677) About Me  on 2011-02-23 21:46:21 (Show Source):


Linear-equations/413301: I need to graph linear equations and I have isolated "y" but then I am drawing a blank as to where to go from there. How do you find the solution sets for 4x+y=16
1 solutions

Answer 290091 by rfer(12677) About Me  on 2011-02-23 21:32:35 (Show Source):
You can put this solution on YOUR website!
y=-4x+16
y int = (0,16)
slope m=-4
Does that help?


Distributive-associative-commutative-properties/413309: May you please answer the question of (x-8)(x+1)
1 solutions

Answer 290090 by rfer(12677) About Me  on 2011-02-23 21:29:40 (Show Source):
You can put this solution on YOUR website!
x^2+x-8x-8
x^2-7x-8


Average/413312: Fill in the blank part of the factorization:
-x - 10 = -1(_ + 10)
1 solutions

Answer 290089 by rfer(12677) About Me  on 2011-02-23 21:27:55 (Show Source):


test/413337: How do u solve this: -(6-c)+3(2c-7)=1

1 solutions

Answer 290088 by rfer(12677) About Me  on 2011-02-23 21:24:44 (Show Source):
You can put this solution on YOUR website!
-6+c+6c-21=1
7c=28
c=4


expressions/413327: Which of the following expressions is equal to 6 – 4(x + 3)?
1 solutions

Answer 290087 by rfer(12677) About Me  on 2011-02-23 21:23:01 (Show Source):
You can put this solution on YOUR website!
6-4x-12
=-4x-6


Exponents-negative-and-fractional/413273: Simplify each quotient. Write answer in scientific notation.
(4.5*10^(-6))/(5*10^(-2))
1 solutions

Answer 290079 by rfer(12677) About Me  on 2011-02-23 19:48:05 (Show Source):


Inequalities/413253: What amount will an account have after 15 years if $260 is invested at 10% interest compounded annually?
1 solutions

Answer 290076 by rfer(12677) About Me  on 2011-02-23 19:40:05 (Show Source):
You can put this solution on YOUR website!
A=260(1.1)^15
A=260*4.1772
A=1086.00


Numbers_Word_Problems/413115: Four more than seven times a number is the same as twenty less than three times a number. find the number

1 solutions

Answer 290063 by rfer(12677) About Me  on 2011-02-23 17:56:47 (Show Source):
You can put this solution on YOUR website!
7x+4=3x-20
4x=-24
x=-6
----------
7*-6+4=3*-6-20
-38=-38


Equations/413203: 3(2x-2)-5=2x+4+x
1 solutions

Answer 290060 by rfer(12677) About Me  on 2011-02-23 17:53:48 (Show Source):
You can put this solution on YOUR website!
6x-6-5=3x+4
3x=15
x=5


Volume/413120: volume of a cylinder.diameter is 2. length 5
1 solutions

Answer 290059 by rfer(12677) About Me  on 2011-02-23 17:52:47 (Show Source):
You can put this solution on YOUR website!
V=pir^2h
V=3.14*1*5
V=15.7 cu units


Equations/413193: 6x+10-x=9+4x+7
x=
1 solutions

Answer 290056 by rfer(12677) About Me  on 2011-02-23 17:45:09 (Show Source):
You can put this solution on YOUR website!
5x+10=4x+16
x=6


Money_Word_Problems/413199: If you invest $12,000 today, how much will you have in:
2 years @ 11%

1 solutions

Answer 290055 by rfer(12677) About Me  on 2011-02-23 17:43:58 (Show Source):
You can put this solution on YOUR website!
A=12000(1.11)^2
A=12000*1.2321
A=14,785.20


Equations/413196: 0.9x-0.7x+5=2
1 solutions

Answer 290052 by rfer(12677) About Me  on 2011-02-23 17:42:25 (Show Source):
You can put this solution on YOUR website!
0.2x=-3
x=-15


Probability-and-statistics/413144: Simplify
3{[7(x-2)+4]-[2(2x-5)+6]}
1 solutions

Answer 290050 by rfer(12677) About Me  on 2011-02-23 17:40:49 (Show Source):
You can put this solution on YOUR website!
3(7x-14+4-4x+10-12)
3(3x-12)
9x-36


Equations/413190: 1/5x+8=-4/5x+4
1 solutions

Answer 290046 by rfer(12677) About Me  on 2011-02-23 17:36:05 (Show Source):


Word_Problems_With_Coins/413186: There are 812 students in a school. There are 36 more girls than boys. How many girls are there?
1 solutions

Answer 290045 by rfer(12677) About Me  on 2011-02-23 17:35:03 (Show Source):
You can put this solution on YOUR website!
x+x+36=812
2x=776
x=388 boys
x+36=424 girls


Reduction-of-unit-multipliers/413169: what is the probability of 6/27 to the nearest tenth of a percent
1 solutions

Answer 290044 by rfer(12677) About Me  on 2011-02-23 17:33:15 (Show Source):
You can put this solution on YOUR website!
6/27=0.222=22.2%


Money_Word_Problems/413172: What is the present value of:
$8,000 in 8 years at 8%

1 solutions

Answer 290043 by rfer(12677) About Me  on 2011-02-23 17:31:51 (Show Source):
You can put this solution on YOUR website!
A=8000(1+0.08)^8
A=8000*1.85
A=14,800


Equations/413177: -x+3=23
x=
1 solutions

Answer 290041 by rfer(12677) About Me  on 2011-02-23 17:29:44 (Show Source):


Linear_Equations_And_Systems_Word_Problems/413180: is 4x=8y a linear equation?

1 solutions

Answer 290039 by rfer(12677) About Me  on 2011-02-23 17:28:36 (Show Source):


expressions/413178: evaluate y^2-7 when y=-8
I am drawing a blank
1 solutions

Answer 290038 by rfer(12677) About Me  on 2011-02-23 17:28:05 (Show Source):
You can put this solution on YOUR website!
-8^2-7=
64-7=57


Angles/413173: The Measure of an angle is one-fifth of the measure of its complement. Find the measures of botha angles
1 solutions

Answer 290037 by rfer(12677) About Me  on 2011-02-23 17:27:01 (Show Source):
You can put this solution on YOUR website!
x+4x=90
5x=90
x=18
4x=72


Rational-functions/413139: How do you solve:
(x-2)/x < (x-4)/(x-6)
1 solutions

Answer 290036 by rfer(12677) About Me  on 2011-02-23 17:23:49 (Show Source):
You can put this solution on YOUR website!
(x-2)(x-6) < (x-4)(x)
x^2-6x-2x+12 < x^2-4x
-8x+12 < -4x
12 < 4x
3 < x