Intermediate/Advanced Algebra

For more advanced algebra topics, including Algebra II and Pre-Calculus.
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Algorithms question: 8 marbles, 2-pan balance; find heavier marble in 3 weighings
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3
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2K
Deleted member 4993
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Nonlinear Simultaneous equations: c/a+b/c+a=0, a/b+c/a+b=0, b/c+a/b+c=0
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5
Views
1K
HallsofIvy
H
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Solving Decimal Eq for Eigen Vectors: vanishing (solving system of linear eqns)
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4
Views
1K
zak100
Z
M
Multiplying 3-by-3 Matrices A & B: ?? = ?^18 and ?? = ?^18
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1
Views
784
Dr.Peterson
Dr.Peterson
R
Universe Expansion Calculation: max initial dist from source that can be visited...
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11
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2K
j-astron
J
K
fractional number in a certain mode: what is (1/2)^1000 in mode 9?
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2
Views
810
ketanco
K
N
square: solving equation 10^(-(6,988[±0,007))
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3
Views
853
HallsofIvy
H
J
Looking for clarification on this equation: solve y=-12.34ln(x)+133.72 for x
Replies
7
Views
1K
pka
pka
J
How to solve logarithmic problem: log k(k/a^3)= log k a= 10, log k b = -0.4, log k c
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1
Views
766
Dr.Peterson
Dr.Peterson
S
Arithmetic sequence: We throw an object from the hight of 12,261 meters.
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8
Views
2K
Stripey
S
L
Cannot sort: Given that f(x) = 3x+1 and g(x) = x^2 solve fg(x) = gf(x)
Replies
3
Views
1K
Deleted member 4993
D
M
Solving 4x3 Matrix: [[1 2 3][2 -1 1][0 1 1][1 -1 0]]*[[x][y][z]]=[[-3][4][-2][a]]
Replies
8
Views
5K
Mrmatheco
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A
am I right here?
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4
Views
1K
Dr.Peterson
Dr.Peterson
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I need help with log
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4
Views
1K
sinx
S
G
Polynominal inequality: (x + 7) (x + 1) >= 0
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8
Views
1K
Dr.Peterson
Dr.Peterson
A
logn(x)/logn(y) = logy(x) ~ Is this a thing?
Replies
7
Views
1K
anonybystander
A
shahar
logarithm: 1/4 >1/8 leads (by logs) to 2 > 3; what is going wrong here?
Replies
6
Views
1K
JeffM
J
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System of 3 eqns: y^2+y*x-z-x = 0, z^2+z*y-x-y = 0, x^2+x*z-y-z = 0
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2
Views
647
Gosia
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S
Prove 1/(4n+1)<[1*3*5*...*(2n-1)]^2 / [2*4*6*...*2n]^2 <1/(3n+1)
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5
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1K
lookagain
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I
Logarithm & Surds: rect. has length of (5+√3) cm, area of (5 + 2√3) cm^2
Replies
5
Views
2K
HallsofIvy
H
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