Pre-Algebra

Questions from "Pre-Algebra" classes.
B
expression for 29 using 1, 2, 3, 4, *, /, +, -, powers
Replies
15
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25K
Denis
D
M
Help me solve this (word problem): Club is going to rent a mammoth propane barbeque
Replies
4
Views
2K
Denis
D
Q
Temperature
Replies
2
Views
1K
QQ2018789
Q
J
Please help solve: 15 drops per min= 1cc. How many drops per minute is 2cc per hour?
Replies
1
Views
2K
mmm4444bot
mmm4444bot
shahar
odd/even: Why the number half can't be odd number or even number?
Replies
11
Views
3K
JeffM
J
shahar
smoosh: What is the meaning of smoosh? ("tool" in arithmetic)
Replies
2
Views
1K
Dr.Peterson
Dr.Peterson
I
How does negative sign turn neg. integer from inside parenthesis to pos.? -(-10) - 1
Replies
6
Views
2K
HallsofIvy
H
shahar
counting: Is accumulation a visual way for counting?
Replies
1
Views
1K
Dr.Peterson
Dr.Peterson
shahar
minus * minus: Why minus multply by minus equall to plus? Why: - x - = +?
Replies
10
Views
2K
Steven G
Steven G
S
question on percentage distribution: distributing $10 between 3 people A, B, and C
Replies
7
Views
3K
signupsacct
S
L
how do i calculate 67% of an amount, only knowing the 67% result?
Replies
2
Views
1K
Dr.Peterson
Dr.Peterson
D
Is this interest prob. not solvable? Investment doubles in 10 yrs; find time to tripl
Replies
2
Views
1K
tkhunny
tkhunny
B
Factors: A teacher writes a number on a whiteboard. He then produces a hat....
Replies
6
Views
3K
JeffM
J
M
"Your electricity bill is £122.00 excluding a tariff for the last quarter...."
Replies
1
Views
1K
tkhunny
tkhunny
F
Percent change: A zoo has 4 giraffes, 3 lions, and 290 animals overall....
Replies
5
Views
2K
HallsofIvy
H
T
wood chips: 282.8 grams of chips in sample, baked for 1 hr; lost 11 gm water
Replies
4
Views
3K
woodtekenergy
W
S
proportion: A survey of car owners showed 5 out of 7 preferred to buy regular gas..."
Replies
6
Views
2K
steveopolis
S
S
BEDMAS incl. exponent: 9 x 6 / 2^3 / 4 = ...?
Replies
16
Views
3K
steveopolis
S
B
Simplification of 4[(.5)^4 * (.6)^3]+4[(.5)^4 * (.6)^3 * (.4)] = 4(.3)^3 * (.7)
Replies
4
Views
2K
JeffM
J
F
Help translating word problem: "Carlos began with twice as much money as David had."
Replies
4
Views
4K
falcios
F
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