Arithmetic

For basic math questions about addition, multiplication, fractions, etc.
C
Is there any thing like total ratio?
Replies
3
Views
253
chijioke
C
B
How do I calculate the scale weight of an object??
Replies
12
Views
482
Otis
Otis
V
Comic Book Issues
Replies
5
Views
917
Dr.Peterson
Dr.Peterson
M
How much , How many? "Sasha and Max spend Saturday evening in a bar..."
Replies
8
Views
398
Steven G
Steven G
M
Percentages quandary: payout to Amy and Katie, given inputs have changed
Replies
16
Views
475
MathBoggled
M
B
SUM, from i=1 to i=4, of (x_i - 3)^2; sum, from i=1 to i=4, of (x_i - 3)
Replies
6
Views
678
Dr.Peterson
Dr.Peterson
B
Sum problem: sum, from i=1 to i=n, of (x_i + k)^2
Replies
1
Views
253
Harry_the_cat
Harry_the_cat
E
Help please: About how many m^2 of steel will Marcel need to build the pool?
Replies
1
Views
419
mmm4444bot
mmm4444bot
K
Sequence (formula for 48.72, 44.92, 44.7, 41.48, 38.47, 38.72,...)
Replies
2
Views
492
mmm4444bot
mmm4444bot
F
Evaluating a fraction divided by a fraction
Replies
5
Views
280
Steven G
Steven G
C
Fraction Word Problem (4th Grade)
Replies
4
Views
273
lookagain
L
M
Mental division: 150/120 is 1.25. Obviously I know that the answer is 1.something but why .25?
Replies
4
Views
266
Steven G
Steven G
J
Need Help with Gram cost
Replies
1
Views
261
stapel
stapel
C
Distributive law and negative numbers
Replies
9
Views
1K
Otis
Otis
C
Is there a rule on how to do the final rounding
Replies
11
Views
606
chijioke
C
M
Cumulative frequency diagram
Replies
7
Views
384
Harry_the_cat
Harry_the_cat
C
Problem involving change of base of Logarithm
2
Replies
20
Views
772
chijioke
C
M
Time Graph
Replies
2
Views
314
MuddledMaths
M
shahar
"negative" prime numbers
Replies
10
Views
470
shahar
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
Replies
13
Views
534
timothyjohnson
T
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