Intermediate/Advanced Algebra

For more advanced algebra topics, including Algebra II and Pre-Calculus.
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[COMBINATION]Prove that nCr/nCr+nCr+1 = r+1/n+1
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5
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4K
Deleted member 4993
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Combination problem .. nCr : nCr-1 = 2:3 , nCr-2 : nCr-1 = 4:3
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3
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2K
mmm4444bot
mmm4444bot
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System of Nonlinear Eqn (Word Prob): diff. of cubes of 2 numbers is 37; sum of square
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2
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3K
lookagain
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f(x)= ln(1+1/x) + ln((x-1)/(x+2)) can be written in the form ln(P(x)) - ln(Q(x)), whe
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1
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983
stapel
stapel
C
sequence? "A new bird would introduce a new bird to the cave every 2 weeks...."
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3
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1K
stapel
stapel
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Exam in 7 hours need help!
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2
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1K
stapel
stapel
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Radical Expressions: 1/(sqrt[x]+sqrt[x-2]) + 1/(sqrt[x]+sqrt[x+2]) = 1/4
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2
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1K
pka
pka
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Permutation/Combination Problem: solve for n in n+2C4 = 6(nC2)
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11
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6K
stapel
stapel
K
60% - 6.5 , 70% - 7 , 63% - ?
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3
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1K
stapel
stapel
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If f(x) is poly w/ degree d, show f(x)-f(x-1) is poly of degree d-1.
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1
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752
stapel
stapel
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Converting a perfect square to quadratic format? (6z+2z)^2 = (ax+2z+8)(-8+bx+cz)
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1
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988
Deleted member 4993
D
T
Function Problem I Got Incorrect Answers
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6
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2K
Harry_the_cat
Harry_the_cat
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Double Summation: sum[i=1, m] sum[j=1, n] (i + j^2)
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2
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2K
Ishuda
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A
Volume of a Trough is given by V= 32d2 + 32d, where d is the depth, in feet
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1
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2K
Deleted member 4993
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R
Please help me solve 10=1880(120/sqrt(x))^-1.46
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7
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2K
Rickus vd Berg
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How to describe and solve this problem mathematically
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2
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1K
sxtja
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T
System of Eqns (Containing Absolute Value Operators): 0.25 = |P + Q|, 1 = |P| + |Q|
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11
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3K
Ishuda
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J
Polynomials: f(x)/g1(x) has remainder 2, f(x)/g2(x) has rem. 3; find rem. for...
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1
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1K
Deleted member 4993
D
M
Rearrange 1/x+1 = 2sin(x) + 3 four different times
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2
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1K
Otis
Otis
K
Bigger numbers cannibalize smaller ones in zero-sum - how?
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1
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1K
stapel
stapel
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