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Post New Question
All Questions
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234876 Questions
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606
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Physics question
A person walks 13 km in 2.0h. What is the person's average velocity in km/h and m/s?
Guest
Aug 28, 2013
0
591
1
Signed Number Operations
What is 3x-12x
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Guest
Aug 28, 2013
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619
1
Math
(3*45^6)/(15^6*3^7)=?
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Guest
Aug 28, 2013
0
637
1
Equation help
If I am solving an equation, 2(3w)+2w=60, do I distribute the 2 to the 3w, making it 6w^2, or do I just multiply the 2 and 3 together to make 6w?
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Guest
Aug 28, 2013
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617
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Math
What is the rate of 24 hours = 1 day
Guest
Aug 28, 2013
0
825
2
Need help with physics problem
Kirk saw the space shuttle take off from it launch pad. Heard the ignition blast 15 seconds later. The frequency of the sound wave produced by the engine blast was 2000 Hz. Assume the speed of sound on that day was 340 meters per second.
a) Find the distance
read more ..
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Guest
Aug 28, 2013
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553
0
square ft' of 4 different line measuments
how to get square footage of lot with four different measurments
Guest
Aug 28, 2013
0
799
5
Pytharogean quadruple
Where a^2+b^2+c^2=d^2, and I know the value of d, how do I work out possible integer values for a, b, c that are within a certain digit range (e.g. a is between 1 and 23, b is between 24 and 575, c is also between 24 and 575)?
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Guest
Aug 28, 2013
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623
1
Maths
How to remember you time tables add do them without thinking???????
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Guest
Aug 28, 2013
0
594
0
Math
452.16x^3 + 19627.622x^2 + 1384.149x - 10500=0, what is the value of x?
Guest
Aug 28, 2013
0
2797
1
if a+b=5 and a^3+b^3=20 then find an equation whose roots ar
if a+b=5 and a^3+b^3=20 then find an equation whose roots are a and b.
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Guest
Aug 28, 2013
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698
1
trigonometry basics
Sin x = 17.4 / 97.2
I have Sin x = .18, I just don't know how to get x by itself and an exact degree.
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Guest
Aug 28, 2013
0
673
1
+4
10 + |-2| =
10 + |-2| =
Is the | sign the same as a ( ?
The full question is:
| 10 - 2| < 10 + | -2 |
True or false ? if | = ( then it's false, but I vaguely remember something about absolute. If it makes the -2 into 2 then the equation is
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Christ
Aug 28, 2013
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553
0
Scientific notation
how do i type 10 to the negative 12?
Guest
Aug 28, 2013
Aug 27, 2013
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583
0
Help!
(y-3)(y-7)
Guest
Aug 27, 2013
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669
0
seno. que significa y para que sirve?
que significa :sen, y que representa
Guest
Aug 27, 2013
0
782
3
math
simplify this:
3(x2-4x) - 5(2x2-x)
in the first parentheses its "x squared" and in the second parentheses its "2x squared"
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Guest
Aug 27, 2013
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611
0
What is it called when the ordered pair indicates the soluti
What is the ordered pair that indicates the solution on a graph called?
Guest
Aug 27, 2013
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631
2
Math Homework help
Miss Finnerty was decorating above the classroom blackboard with a row of apple cutouts. The row had 1 green apple, then 3 red apples, then 1 yellow apple,and then the pattern repeated. There were 25 apples in the row. How many of each color were there?
Can
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Guest
Aug 27, 2013
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651
1
MATH
what is the acronym for subtraction means add the opposite
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Guest
Aug 27, 2013
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609
0
permutations/combinations
A disc jockey (DJ) has 12 songs to play. Four are slow songs, and 8 are fast songs. Each song is to be played only once. In how many ways can the DJ play the 12 songs if:
a) the songs can be played in any order?
b) the first song must be a slow song
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Guest
Aug 27, 2013
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568
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mathmatics
25x^2-130x+160
Guest
Aug 27, 2013
0
617
0
MATH
ALGEBRA
Guest
Aug 27, 2013
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545
0
math
Ask a Math Question!
21-(3.7)+6
Guest
Aug 27, 2013
0
549
0
i know i should use log but what is the answer
81^((x^2)-1)=27^(5*x-7)
Guest
Aug 27, 2013
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