Arithmetic

For basic math questions about addition, multiplication, fractions, etc.
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What is the maximum number of doughnuts that cannot be ordered using combinations...?
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1
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2K
Otis
Otis
H
Find the nth term of a sequence with different differences
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10
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3K
helpme101010
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prepare 20 ml of 10% soln using: 1st 2%, 2nd 0.5%, 3rd 11%, 4th 6%, 5th 5%, 6th 3%
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4
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2K
HallsofIvy
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H
Multipliers in betting
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2
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2K
stapel
stapel
M
Problem Solving: What fraction of the sandwich does Alan eat?
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2
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2K
stapel
stapel
M
does anyone knows how to get 12.75 using 1,2,3,4 (no decimals allowed)?
Replies
8
Views
3K
Otis
Otis
C
Calculation with areas
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1
Views
1K
Deleted member 4993
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What is the last digit? (1^1) + (2^2 + (3^3) + (4^4) +.......+((10^100)^(10^100))
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1
Views
953
stapel
stapel
I
How much does it cost to run a car?
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3
Views
2K
ksdhart2
K
G
can you help me solve these 2 word problems..please
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2
Views
1K
stapel
stapel
A
HELP!! - Need Formula to fill in the missing cells
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0
Views
789
aneikei
A
B
Scale Drawings: Thomas wants to have campsite in farm's field....
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2
Views
1K
Ishuda
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A
Difficult Math problem
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3
Views
979
Altomotto
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A
A Tricky Question That Wrapped My Head
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2
Views
2K
Otis
Otis
J
Truncation: The value of Young’s Modulus of Elasticity (E) for a specific steel alloy
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2
Views
3K
JimCrown
J
K
Need math help (playing a MMORPG Crystal Saga)
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1
Views
1K
krokrok
K
Y
Inductive reasoning help
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0
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2K
yoyo
Y
S
Bodmas: 45 +10+[{8-(7-4)+3}*2^2]-7*27÷3= ?
Replies
5
Views
6K
Ishuda
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D
Need help how to transpose Formula 0.4501=SQRT{(4 x weight) / (8.89 X 3.14159)
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2
Views
2K
dongzkie
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Z
Prove the square of an odd multiple of 3 is the difference of two triangular numbers
Replies
4
Views
4K
ZeHgS
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