Pre-Algebra

Questions from "Pre-Algebra" classes.
N
Help me please: The boat is at anchor at a point where the water depth is 7.5 meters. The length of the anchor rope is exactly 10 meters. What is...
Replies
2
Views
913
The Highlander
The Highlander
J
  • Locked
Proof that minus a minus is positive
Replies
9
Views
2K
Aion
A
N
simplifying surds: (1+2sqrt(3)+sqrt(5))/((1+sqrt(3))(sqrt(3)+sqrt(5))) + (sqrt(5)+2sqrt(7)+3)/((sqrt(5)+sqrt(7))(sqrt(7)+3))
Replies
6
Views
2K
nanase
N
K
Determining Gross Amount from Net Amount
Replies
3
Views
4K
scottbrandon
S
P
Percentages: 101 to 67 is decrease of 34; what is the percentage?
Replies
3
Views
1K
lookagain
L
I
What Books are Recommended? (pre-algebra books that are easier to comprehend)
Replies
5
Views
2K
Bruce
B
N
Plane & time problem: The plane left City A at 08:00 and arrived in City B at 10:00....
Replies
11
Views
3K
lev888
lev888
J
Figuring out math strategies (comparing prices, dollars per grams)
Replies
2
Views
937
Dr.Peterson
Dr.Peterson
Y
Please help with: "James bought a packet of flour to make cakes. He used an equal amount..."
Replies
8
Views
2K
khansaheb
K
B
How many cubes are in this image enter the solution below
Replies
11
Views
12K
The Highlander
The Highlander
C
What area of grass can the goat eat?
Replies
11
Views
3K
chijioke
C
C
Finding an original number from a percentage increase
Replies
2
Views
1K
Cannate
C
S
Common factors? Simplify 8^2 - 16 ÷ 2^2 × 4 - 3
Replies
9
Views
2K
Otis
Otis
M
Trouble with answer to question: A cyclist travels 4b^2c^1/2 miles in 3b^2c hours. What is her average speed?
Replies
2
Views
1K
Otis
Otis
W
Easy but difficult :) "The volume of a garden is 6.52 cubic metres...."
Replies
7
Views
2K
skeeter
skeeter
B
included or not included? lost oversight
Replies
12
Views
2K
Dr.Peterson
Dr.Peterson
K
help: whats the equation for every value in a list of 2547 more or less random numbers
Replies
7
Views
1K
JeffM
J
R
Assign percentages to 12 items so, top to bottom, they add to 100%
Replies
4
Views
1K
MarkFL
MarkFL
J
What does "theory" mean in the context of maths (like set theory, number theory, etc)
Replies
11
Views
2K
blamocur
blamocur
P
grade 8 fractions math help
2
Replies
30
Views
9K
Otis
Otis
You must log in or register to post here.
Top