Arithmetic

For basic math questions about addition, multiplication, fractions, etc.
B
Number sequences
Replies
13
Views
2K
Steven G
Steven G
B
the sizes of the interior angles of a hexagon ABCDEF form an arithmetic sequence...
Replies
12
Views
3K
bumblebee123
B
B
number sequences....
2
Replies
23
Views
3K
bumblebee123
B
B
1 litre of paint covers an area of 12m^2 . Work out the thickness, in cm, of the coat of paint.
Replies
8
Views
3K
Harry_the_cat
Harry_the_cat
B
Number sequences
Replies
11
Views
2K
Dr.Peterson
Dr.Peterson
B
Quadratic equations
Replies
3
Views
995
Dr.Peterson
Dr.Peterson
M
Does cross multiplication work on any fraction?
Replies
15
Views
4K
Dr.Peterson
Dr.Peterson
B
Powers and roots question
Replies
13
Views
1K
bumblebee123
B
D
What are the missing order of operations for 8—— 2 —— 6 —— 5—— 1=11
2
Replies
23
Views
3K
Denis
D
E
If 1/2 * $100.00 = $50.00 or $50.00 per $100.00, does 2 * $100.00 = $200.00 or $200.00 per $100 or...?
2
Replies
29
Views
3K
Dr.Peterson
Dr.Peterson
E
Years & Months Cancellation to determine monthly salary
Replies
10
Views
1K
Steven G
Steven G
S
The electrical disc is connected to a 230 V mains voltage and through it a 9.5 A current is passed.
Replies
3
Views
972
Student_needs_help
S
A
Croke Stadium holds 82,300 people when full. Find number when 40% full.
Replies
2
Views
718
Steven G
Steven G
S
Working out how much paint: 4 parts rusty red 7 parts deep saffron one part slate grey
Replies
2
Views
955
MarkFL
MarkFL
A
Determine price per liter, given Brand A is is 2 liters for 3.60 euro
Replies
3
Views
759
MarkFL
MarkFL
A
Decimals and percentages: Alex works in a hospital from 6p.m to11p.m. How many hours does he work every week?
Replies
2
Views
778
Dr.Peterson
Dr.Peterson
B
4 days on, 4 days off: over a year, how many hours am I working on average per week?
Replies
5
Views
1K
Bandy
B
S
How many 2000 watts of barbecue could be plugged into an outlet with a 16 A fuse?
Replies
9
Views
1K
Student_needs_help
S
C
Please help: If 1/2 inch is to 2 inches, what is [blank] to 30 inches?
Replies
3
Views
1K
HallsofIvy
H
C
dividing meters by second: i got 0.41 meters/0.345 seconds. is the result just 1.188?
Replies
8
Views
1K
HallsofIvy
H
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