Pre-Algebra

Questions from "Pre-Algebra" classes.
T
wood chips: 282.8 grams of chips in sample, baked for 1 hr; lost 11 gm water
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4
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3K
woodtekenergy
W
S
proportion: A survey of car owners showed 5 out of 7 preferred to buy regular gas..."
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6
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2K
steveopolis
S
S
BEDMAS incl. exponent: 9 x 6 / 2^3 / 4 = ...?
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16
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3K
steveopolis
S
B
Simplification of 4[(.5)^4 * (.6)^3]+4[(.5)^4 * (.6)^3 * (.4)] = 4(.3)^3 * (.7)
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4
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2K
JeffM
J
F
Help translating word problem: "Carlos began with twice as much money as David had."
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4
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4K
falcios
F
A
How much simple interest would be paid on a loan of $1950 at 8.1% for 70 months?
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3
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2K
HallsofIvy
H
G
Can somebody help me w/ "7/10 of the boys in a marathon race were Chinese..."
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4
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2K
stapel
stapel
G
Please help: Sally is paid 6% on 1st $750K of monthly sales, 8% after that
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4
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2K
Gigi18
G
G
Stuck on a percentage problem (example: (y-a%)+b%=X)
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1
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1K
HallsofIvy
H
A
Confusing problem, not sure how to define (repetition of musical pieces)
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5
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2K
Alfred
A
M
42 km Course, 0.4 km Travelled, How Much Time Has Passed?
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4
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2K
Deleted member 4993
D
A
Solve Y= (4th root of x) +1
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4
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2K
Archie Deetoo
A
S
Compute number of distinct divisors of 98000 = 2^4 * 5^3 * 7^2.
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4
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2K
Steven G
Steven G
S
Find the number of pencils and the number of pens that Sharon can buy if she has to b
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8
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4K
sheejave
S
A
How can I think about, and understand, "means"?
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4
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3K
JeffM
J
H
100 animals 100dollars
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10
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6K
stapel
stapel
F
How to calculate ($14,000 / $10,000) ^ (365 / 913) – 1 w/o scientific calculator
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2
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3K
tkhunny
tkhunny
eddy2017
solve for (x+4)2 =x(x-4) +5
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7
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4K
mmm4444bot
mmm4444bot
S
If watermelon weighs 100kg, 99% is water, 1% of water evaporates, then...
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2
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3K
Dr.Peterson
Dr.Peterson
N
Need an intuitive explanation of what is actually going on with this question
Replies
4
Views
3K
Dr.Peterson
Dr.Peterson
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