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R
Probability Normal Distribution
reggiwilliams
Yesterday at 3:05 PM
Probability / Statistics
Replies
6
Views
45
17 minutes ago
reggiwilliams
R
K
I have no clue pls help urgent: Davis wants to buy 9 bars of chocolate but is short of $ 2.50...
Kaveraa
Feb 13, 2024
Arithmetic
Replies
5
Views
254
Yesterday at 10:29 PM
khansaheb
K
I
Earth curvature help please (My brother-in-law is a flat earther and sent me this video about earth curvature.)
Idun
Mar 21, 2024
Geometry and Trig
2
3
Replies
42
Views
479
Yesterday at 8:28 PM
fresh_42
F
R
How do I find the nth term of this sequence?
Raanikeri
Yesterday at 5:30 PM
Intermediate/Advanced Algebra
Replies
2
Views
58
Yesterday at 6:49 PM
mario99
M
L
The predictability theorem as juxtaposed binomial abacus permutation?
Lubi
Yesterday at 2:13 AM
Probability / Statistics
Replies
3
Views
61
Yesterday at 11:13 AM
blamocur
A
Logarithms...
annaanna
Tuesday at 11:26 AM
Beginning Algebra
Replies
14
Views
245
Yesterday at 10:28 AM
khansaheb
K
E
Calculating the area of overlap between 2 circle sectors
evansba
Tuesday at 2:42 PM
Geometry and Trig
Replies
4
Views
111
Yesterday at 9:59 AM
Dr.Peterson
T
Need help with truth table: I'm trying to understand WHY, in this table, that X→Z would be true when X is false.
TheQuestor
Friday at 12:23 PM
Advanced Math
Replies
6
Views
119
Yesterday at 9:18 AM
Dr.Peterson
K
indexing ... how to solve (5th-rt(243) * sqrt(64^3))/(27^(2/3) * 512^(-2/3))
kairee
Monday at 1:50 PM
Beginning Algebra
Replies
5
Views
125
Yesterday at 4:44 AM
The Highlander
S
Number of days ate 3? You begin with 28 sweets. Each day, you consume 2 or 3 sweets. In 12 days, you finish all 28.
savs77
Tuesday at 7:12 AM
Beginning Algebra
Replies
3
Views
105
Yesterday at 3:11 AM
The Highlander
É
Probability of having two classes back to back
Éowyn
Monday at 10:52 AM
Probability / Statistics
Replies
2
Views
69
Tuesday at 9:51 PM
Steven G
J
How to calculate the variance of a sample mean distribution with alternating weights?
JanB
Monday at 3:34 PM
Probability / Statistics
Replies
1
Views
61
Tuesday at 10:54 AM
blamocur
A
Straight line problem: line through (-5,-4) meets x+3y+2=0, 2x+y+4=0, x-y-5=0 at B,C,D respectively. If (15/AB)^2+(10/AC)^2=(6/AD)^2, find line's eqn.
arjunn
Mar 21, 2024
Geometry and Trig
Replies
11
Views
230
Monday at 7:21 PM
khansaheb
K
R
Trigonometry: The diagram shows a rectangle ABCD inside a semicircle, centre O and radius 5cm, such that |<BOA| = |COD| = theta degrees
reggiwilliams
Monday at 9:25 AM
Geometry and Trig
Replies
9
Views
161
Monday at 3:15 PM
The Highlander
K
Please anyone help me understand: dy/dx = (2 * dz^2 * y^(3n) - 2x^4 * ay^(-n^3) - az * (m^2 - y^3)) / (y^3 * dz)
kaif78
Monday at 3:02 PM
Differential Equations
Replies
0
Views
59
Monday at 3:02 PM
kaif78
K
E
Euler's totient function: how to prove |Um*n| = |Um| cross |Un| implies gcd(m,n) =1 where |Um*n| means all numbers <m*n relatively prime to it
elioruzan
Monday at 5:19 AM
Advanced Math
Replies
3
Views
130
Monday at 2:14 PM
khansaheb
K
F
combinatorial algorithms: Let M(n,m) denote the complexity of the best algorithm for merging of a1<..<an, b1<..<bm series. Prove that M(3,6) <= 7.
fantastic
Monday at 11:35 AM
Advanced Math
Replies
0
Views
27
Monday at 11:35 AM
fantastic
F
A
Calculus: lim_{x->0} [ (1 + x)^{2/x} / e^2 ]^{4/sin(x)}
arjunn
Saturday at 3:09 AM
Calculus
Replies
5
Views
115
Monday at 7:27 AM
Dr.Peterson
G
Is there a formula that predicts the amount of digits of the multiplication of two very large numbers?
gegogabanana
Mar 21, 2024
Probability / Statistics
Replies
18
Views
302
Monday at 5:31 AM
gegogabanana
G
I
Probability theory. I can’t understand why there is information about the second box
Imrewq
Saturday at 1:21 AM
Probability / Statistics
Replies
2
Views
69
Monday at 12:10 AM
Steven G
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