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0
44
5
What is the formula for this series?
x+x^2+x^3+...x^n
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Guest
Aug 11, 2017
0
40
6
How do dis?
Find the equation of the normal to y = 1/sin(2x) at the point where x = pi/4
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Guest
Aug 11, 2017
0
41
1
+10
value of n
5^2*5^4*5^6*.....5^2n = (0.008)^-30 find the value of n
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kates
Aug 11, 2017
0
65
2
Simplify :
Simplify :
sin(3t+π)+2cos(3t)
MaxWong
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Guest
Aug 11, 2017
Aug 10, 2017
0
43
2
mathy
whats 8x8
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Guest
Aug 10, 2017
+4
75
2
+318
Welcome To Web2.0calc! The Official Forum Of Math
Welcome to web2.0calc! This post will tell you what to do in the forum :
To log in, click login in the corner of the screen.If you have trouble logging in, you could email
read more ..
off-topic
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AsadRehman
Aug 10, 2017
0
46
1
how do i put letters?
how do i put letters?
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Guest
Aug 10, 2017
0
43
1
+74
Let $n$ be a positive integer and $a$ be an integer such that $a$ is its own inverse modulo $n$. What is the remainder when $a^2$ is divided
Let $n$ be a positive integer and $a$ be an integer such that $a$ is its own inverse modulo $n$. What is the remainder when $a^2$ is divided by $n$?
heureka
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RektTheNoob
Aug 10, 2017
0
40
1
+74
In base $10,$ $44 \times 55$ does not equal $3506.$ In what base does $44 \times 55 = 3506$?
In base $10,$ $44 \times 55$ does not equal $3506.$ In what base does $44 \times 55 = 3506$?
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RektTheNoob
Aug 10, 2017
0
46
1
+71
Geometry
By how many degrees does the measure of an interior angle of a regular octagon exceed the measure of an interior angle of a regular hexagon?
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eileenthecoolbean
Aug 10, 2017
0
38
1
inequality
17<7p+3<38
TheXSquaredFactor
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Guest
Aug 10, 2017
0
46
4
+73
Grammar Help !
What means ponders ? like walter ponders the price of a new car ?
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Nerd123
Aug 10, 2017
0
36
1
Triangle
Two sides of a nondegenerate triangle measure 2'' and 4'' and the third side measures some whole number of inches. If a cube with faces numbered 1 through 6 is rolled, what is the probability, expressed as a common fraction, that the number showing on top
read more ..
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Guest
Aug 10, 2017
0
48
1
Triangle ineuqality
A (non-degenerate) triangle with integer sides has perimeter 12. How many such non-congruent triangles are there?
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Guest
Aug 10, 2017
0
39
1
how much 3% of 100,000,000.00
how much 3% of 100,000,000.00
TheXSquaredFactor
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Guest
Aug 10, 2017
0
32
0
calculator
where's the shift button?
off-topic
Guest
Aug 10, 2017
0
50
1
yo bro math is coooool
In the figure,DC is parallel to AB .DCA=3x+14 degrees, ACB 10x+12degrees, and CAB=5x-2 degrees. Find the number of degrees in CBA.
read more ..
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Guest
Aug 10, 2017
0
43
1
halp
how do i change the limit of x e.g. x->5 how do i type this
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Guest
Aug 10, 2017
0
55
1
+42
QUICK!
A kicker punts a football from 3 feet above the ground with an initial velocity of 47 feet per second.
1.Write an equation that fives the height (in feet) of the football as a function of the time (in seconds)
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BOSEOK
Aug 10, 2017
0
53
2
How to do this quickly, find equation of normal.
How to do this quickly?
The slow way: f(a) - (x-a)/f'(a)
Find the equation of the normal to y= x2 at the point (3, 9)
read more ..
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Guest
Aug 10, 2017
0
51
2
Math Question
What is -6t x 4m x (-m)?
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Guest
Aug 10, 2017
+1
72
11
+214
Math Challenge #something
I have lost track of these things...
Anyway, here is a problem that isn't that hard, really.
read more ..
heureka
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Mathhemathh
Aug 10, 2017
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