Pre-Algebra

Questions from "Pre-Algebra" classes.
D
Simplifying Issue: a^-1 + 1 / b^-1 - 1 (ans. is (a+b)^2/ab?)
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2
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2K
Denis
D
T
Domain and range of function f(x) = 25x + 100 modelling cost
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5
Views
7K
mmm4444bot
mmm4444bot
P
pre-algerbra: (5 1/3)y when y = 2 3/4
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1
Views
1K
Deleted member 4993
D
S
need to know how to describe graph of interval [-14, 10]
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2
Views
3K
stapel
stapel
M
Real Life application[[radius,diameter,circumference]]
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2
Views
9K
Denis
D
J
How can I recognize linear fcn in scenario or with words?
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3
Views
2K
Denis
D
W
19 arranged in circle; starting w/ 1, elim. every 2nd person
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3
Views
3K
Denis
D
J
graph: C leaves at 4pm, drives 55mph; friends leave at 4:30
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2
Views
1K
Deleted member 4993
D
T
Magic H: use 1 thru 13 in three 5-entry rows, w/ rows, corne
Replies
3
Views
4K
turtle
T
M
need help factoring 2x^2 + x - 3
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1
Views
1K
Loren
L
T
1 qt cube; find edge length using 4 qt = 3.786*10^-3 m^3
Replies
2
Views
8K
thatguy47
T
L
-5, -3, -1, 1, ....; sum of reciprocals is 16/63: find numb.
Replies
2
Views
2K
Deleted member 4993
D
J
Please help solve: -2[4 - (3b + 2)] = 5 - 2(3b + 6)
Replies
5
Views
2K
mmm4444bot
mmm4444bot
B
need to learn how to solve equations containing fractions
Replies
5
Views
2K
Denis
D
H
Real Number System illustrations: flowers...?
Replies
1
Views
2K
Deleted member 4993
D
B
[SPLIT] complex fractions 6 1/10- 3 1/15 ---- 2 1/5+ 1 1/2
Replies
3
Views
2K
Denis
D
H
real number system illustration: ice cream sundaes
Replies
1
Views
3K
Loren
L
B
7_1/3 gallons fill tank. if tank 1/6 full on arrival, find
Replies
1
Views
2K
Deleted member 4993
D
E
i need 2 find out how 2 get the area of a figure lik scale
Replies
1
Views
1K
Mrspi
M
C
Algebraic Expression: don't know how to do 5x + x + 10w-w
Replies
2
Views
2K
Denis
D
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