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Arithmetic
For basic math questions about addition, multiplication, fractions, etc.
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B
SUM, from i=1 to i=4, of (x_i - 3)^2; sum, from i=1 to i=4, of (x_i - 3)
Barbra
Jan 18, 2023
Replies
6
Views
836
Jan 19, 2023
Dr.Peterson
B
Sum problem: sum, from i=1 to i=n, of (x_i + k)^2
Barbra
Jan 18, 2023
Replies
1
Views
395
Jan 18, 2023
Harry_the_cat
E
Help please: About how many m^2 of steel will Marcel need to build the pool?
elleghost
Jan 12, 2023
Replies
1
Views
804
Jan 12, 2023
mmm4444bot
K
Sequence (formula for 48.72, 44.92, 44.7, 41.48, 38.47, 38.72,...)
kuve
Jan 8, 2023
Replies
2
Views
671
Jan 8, 2023
mmm4444bot
F
Evaluating a fraction divided by a fraction
fortheentries
Jan 6, 2023
Replies
5
Views
404
Jan 6, 2023
Steven G
C
Fraction Word Problem (4th Grade)
cbonilla8890
Jan 4, 2023
Replies
4
Views
952
Jan 4, 2023
lookagain
L
M
Mental division: 150/120 is 1.25. Obviously I know that the answer is 1.something but why .25?
math student 2934839
Jan 3, 2023
Replies
4
Views
459
Jan 3, 2023
Steven G
J
Need Help with Gram cost
JLarry
Dec 19, 2022
Replies
1
Views
364
Dec 22, 2022
stapel
C
Distributive law and negative numbers
conwy
Dec 3, 2022
Replies
9
Views
1K
Dec 4, 2022
Otis
C
Is there a rule on how to do the final rounding
chijioke
Nov 27, 2022
Replies
11
Views
1K
Dec 2, 2022
chijioke
C
M
Cumulative frequency diagram
Mollumophead
Nov 23, 2022
Replies
7
Views
546
Nov 26, 2022
Harry_the_cat
C
Problem involving change of base of Logarithm
chijioke
Nov 21, 2022
2
Replies
20
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1K
Nov 26, 2022
chijioke
C
M
Time Graph
MuddledMaths
Nov 5, 2022
Replies
2
Views
440
Nov 21, 2022
MuddledMaths
M
"negative" prime numbers
shahar
Nov 4, 2022
Replies
10
Views
718
Nov 4, 2022
shahar
T
Use the 20 sequences below to derive general formulae for t4 through to t12 for any other sequence in the same pattern given t1, t2 and t3
timothyjohnson
Oct 11, 2022
Replies
13
Views
820
Oct 23, 2022
timothyjohnson
T
O
Introducing The Fastest Way to Find all the Roots.
Olvind
Oct 10, 2022
Replies
9
Views
739
Oct 22, 2022
Cubist
M
Arithmetic
Mika
Oct 20, 2022
Replies
3
Views
585
Oct 20, 2022
Mika
M
Z
Re-learning math from the basics. Should I go through grades or go through topics?
Zephyr1779
Oct 13, 2022
Replies
7
Views
492
Oct 20, 2022
Steven G
C
Logarithm problem
chijioke
Oct 11, 2022
Replies
12
Views
913
Oct 18, 2022
Deleted member 4993
D
J
Decreasing by percentage
John Mortal
Oct 13, 2022
Replies
18
Views
2K
Oct 16, 2022
Harry_the_cat
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