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Post New Question
All Questions
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139178 Questions
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197
2
Hello
Good Afternoon Archlochs! What is the square root of 56?
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Guest
Dec 29, 2015
0
372
4
How much is -9.98E-05?
How much is -9.98E-05?
Melody
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Guest
Dec 29, 2015
+1
373
4
+163
Maths Puzzle
5+3+2= 151022
9+2+4= 183652
8+6+3= 482466
5+4+5= 202541
read more ..
geno3141
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ipopsie
Dec 29, 2015
0
251
1
HELP
|52 – 8 ÷ -4 × -7|
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Guest
Dec 29, 2015
0
235
1
the vertical component of a force 100 N inclined at an angle 40 degrees with the vertical is?
the vertical component of a force 100N inclined at an angle 40 degrees with the vertical is?
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Guest
Dec 29, 2015
0
1
3729
7
+93654
Number Puzzles
This is the old number puzzle thread
http://web2.0calc.com/questions/number-challenge-for-everyone-1
There are more puzzles here too
read more ..
nikhil0103
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Melody
Dec 29, 2015
0
681
1
+93654
Answers to number puzzles
Answers with some logic added in:
1) 2, 5, 7, 9, 75, 100 The magic number is 557
read more ..
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Melody
Dec 29, 2015
0
267
2
a simple calculation
how does 4/3*(3.0*10^-3)^3 become 1.1 x 10^-7)?
Melody
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Guest
Dec 29, 2015
0
464
2
(1)/(cot(x)) - (sec(x))/(csc(x)) = cos(x)
(1)/(cot(x)) - (sec(x))/(csc(x)) = cos(x)
Melody
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Guest
Dec 29, 2015
0
200
1
what is the percent of increase from 24 to 30?
what is the percent of increase from 24 to 30?
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Guest
Dec 29, 2015
0
213
1
oranges
how much would 1 kg of oranges cost if 0.4 kg of oranges costs $1.34
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Guest
Dec 29, 2015
0
219
1
Math
what is 1/4 of 1/2 of 1/5 of 200?
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Guest
Dec 29, 2015
+5
873
5
Four children were born at City Hospital yesterday. Assume each child is equally likely to be a boy or a girl. Which of the following outcomes is most likely?
Four children were born at City Hospital yesterday. Assume each child is equally likely to be a boy or a girl. Which of the following outcomes is most likely?
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Guest
Dec 29, 2015
Dec 28, 2015
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287
2
(4xy^2)^-3/7?
(4xy^2)^-3/7?
Melody
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Guest
Dec 28, 2015
0
180
1
+17
trig question
Evaluate sec X, if sin X= -(7/10) and tan X >0
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Steven434
Dec 28, 2015
0
530
5
+466
Completing the Square
How do I complete the square and find out the third number in these trinomials?
9x2 - 6x ??
9y2 + 12y ??
CPhill
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Shades
Dec 28, 2015
0
197
0
Bios........
Hello there: Do you have brief Bios of your moderators one can access easily, or do you have to be a member to do so? Thanks.
Guest
Dec 28, 2015
+5
202
1
chemistry
what's 1024 x 1024 x 1024 thank you
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Guest
Dec 28, 2015
0
239
1
help help help!!!!!!!!!!!
what is x if x-1.5 =2 help and i will join
please and thank u
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Guest
Dec 28, 2015
0
241
3
Math
Write the equation of a line that is perpendicular to the given line and passes through the given point.
y-3=8/3(x+20;(-2,3)
CPhill
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Guest
Dec 28, 2015
0
193
1
Power laws
What are the power laws
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Guest
Dec 28, 2015
0
431
0
► what is the square root of 2, squared assuming:
► what is the square root of 2, squared assuming:
Guest
Dec 28, 2015
0
265
1
meters to gon
how do i convert meters in gon
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Guest
Dec 28, 2015
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