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Post New Question
All Questions
+0
237683 Questions
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491
3
Algebra
3(4s+x)-1=6(7-5s-10x)/4
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Guest
Oct 25, 2015
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650
5
What is a formula ?
What is a formula ?
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Guest
Oct 25, 2015
0
455
2
what is the extimate of 0 and 7 with the cubic centimiters to the 3th
what is the extimate of 0 and 7 with the cubic centimiters to the 3th
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Guest
Oct 25, 2015
0
458
1
help
Eric and Archibald are sharing a packet of sweets in the ratio 5:4 if ther are 45 sweets how many does Archibald get
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Guest
Oct 25, 2015
0
804
2
Square root of pi
what is the square root of pi ?
heureka
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Guest
Oct 25, 2015
0
650
1
78/9 : 2/3 = 13/1
78/9 : 2/3 = 12?
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Guest
Oct 25, 2015
0
8
1228
2
How to integrate a periodic exponent function?
.. for example integral f(x) = k^sin(x) over e.g. 2*pi radians. I assume it's possible since f(x) varies periodically between k and 1/k.
Vic
Melody
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Guest
Oct 25, 2015
+26
9
1379
0
+118724
@@ Wrap Lantern Sun 25/10/15
The is called the Lantern Post because it lights the way to the "What is happening" thread
The "What is Happening" thread can be accessed directly. It is at the following address:
http://web2.0calc.com/questions/what-is-happening-wrap-4#r10
read more ..
Melody
Oct 25, 2015
0
10
1414
1
+44
TRIGO SUM
THE lenth of a run way at an airport is 3 km.two sentries are standing at the starting point and end point respectivly. a helicopter is hovering in a stationary position above the runway. while looking at it the angles of elevation observed by the sentries
read more ..
Alan
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manas
Oct 25, 2015
0
1617
1
How do you factorise 3a - 15?
How do you factorise 3a - 15?
Please include an explaination on what steps you take to work it out. Thanks
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Guest
Oct 25, 2015
0
11
1431
4
differentiation
If f(x)=(x^3+2 cos(x))/(2sin(x)), find f'(π/2)
Alan
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Guest
Oct 25, 2015
0
540
1
learning curve
[20 ^ (-0.515)] What is the symbol after the 20?
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Guest
Oct 25, 2015
0
645
1
How do you find the range of a function for a domain?
How do you find the range of a function for a domain?
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Guest
Oct 25, 2015
0
2
5801
2
+266
linear programming. PLS help
By graphing the systems of constraints, find the values of x and y that maximize the objective function.
x+y≤8
2x+y≤10
read more ..
Melody
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Paypay
Oct 25, 2015
Oct 24, 2015
0
901
1
Pythagorean Theorem
How many feet from the base of a house must a 39 foot ladder be placed so that the top of the ladder will reach a point on the house 36 feet from the ground.
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Guest
Oct 24, 2015
+5
510
1
is 3 2/25 a simplified mixed #????
is 3 2/25 a simplified mixed #????
3-whole number
read more ..
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Guest
Oct 24, 2015
+1
4427
1
A helium-neon laser emits light with a wavelength of 6.33x10-7 m. What is the frequency of this light if it is traveling the speed of light?
A helium-neon laser emits light with a wavelength of 6.33x10-7 m. What is the frequency of this light if it is traveling the speed of light?
Select one:
a. 4.19x10-40 Hz
b. 4.74x1014 Hz
read more ..
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Guest
Oct 24, 2015
0
1892
2
(a -1 +b -1 )(a -1 -b -1 ) 3
(a-1+b-1)(a-1-b-1)3
Melody
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Guest
Oct 24, 2015
0
1112
3
+1832
Torsion
In shaft BC he subtracted 2.4 - 1.2
how did he know that 2.4 is in oppisote direction of 1.2 ?
read more ..
physics
Alan
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xvxvxv
Oct 24, 2015
0
464
1
greatest common factors
greatest common factor of 10 and 4
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Guest
Oct 24, 2015
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