Pre-Algebra

Questions from "Pre-Algebra" classes.
L
need help with understading how to conveert centimeters to meters
Replies
3
Views
2K
Harry_the_cat
Harry_the_cat
S
If (5a-3b) / a = (4a+b-2c) / (a+4b-2c) = (a+2b-3c) / (4a-4c) then prove 6a = 4b = 3c.
Replies
3
Views
5K
saibal
S
T
Need help simplifying this equation: 6(-5/7)^2nd power + 2(-5/7)-7 = y
Replies
1
Views
2K
Deleted member 4993
D
N
simplify values; for example, for example 9677896447743573578866
Replies
1
Views
1K
stapel
stapel
N
Finding an average
Replies
1
Views
1K
stapel
stapel
D
roots: 2^6=64. I did this by multiplying by 2 six times and
Replies
3
Views
3K
Steven G
Steven G
W
Volume of a Cylinder: A cylindrical can contains an unknown number of golf balls.
Replies
1
Views
2K
Deleted member 4993
D
M
Struggling with Vertex and x intercept f(x)=16-x^2
Replies
1
Views
2K
ksdhart
K
D
Square roots: mathematical way to confirm that 11*33=11^2*3 ...?
Replies
7
Views
3K
davehogan
D
M
Jenny's car holds 11 3/5's gal, while Scott's car holds 16 3/4's gal.
Replies
3
Views
2K
jonah2.0
jonah2.0
L
A pair of friends and a pair of "enemies" in each group of three.
Replies
1
Views
2K
stapel
stapel
H
Solve the equation to determine all possible values of the number
Replies
2
Views
2K
lookagain
L
J
equations and inequalities
Replies
1
Views
2K
Deleted member 4993
D
M
Percentages: Sophie receives 35% in her first essay; it's 40% of her overall grade.
Replies
1
Views
2K
Deleted member 4993
D
B
simplify 3/10+2/2/5y
Replies
3
Views
2K
pka
pka
R
First Scale in Number Line
Replies
6
Views
3K
stapel
stapel
S
If you have a multivariable function, what is the range?
Replies
2
Views
14K
__SB
S
M
How many mls of would you draw into a syringe if the medicine is 10mg per ml, ...
Replies
2
Views
2K
stapel
stapel
T
Number pattern help: 2 3 5 ? 11 13 ?
Replies
1
Views
2K
Deleted member 4993
D
E
3 math questions. Help appreciated
Replies
1
Views
2K
ksdhart
K
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