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ichudov(499)
Pre-Algebra
INTRODUCTION into Equation Solving
in
Equations
.
Seen 29217 times
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REFRESHER in Arithmetic and Numeric Fractions
in
Numeric_Fractions
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Seen 49245 times
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INTRODUCTION into Exponents
in
Exponents
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Seen 25380 times
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COMPLETE treatment of Prime Numbers
in
Divisibility_and_Prime_Numbers
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Seen 10263 times
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WHAT IS Average, Why do we need it?
in
Average
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Seen 26821 times
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FAQ -- Frequently asked Problems on Reciprocals
in
Inverses
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Seen 6769 times
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PROOF that a number multiplied by its reciprocal is 1
in
Inverses
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Seen 14037 times
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WHAT IS scientific notation
in
decimal-numbers
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Seen 13364 times
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WHY is the negative multiplication rule what it is?
in
Signed-numbers
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Seen 12656 times
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HOW TO multiply negatives
in
Signed-numbers
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Seen 23684 times
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DEFINITION of multiples and factors
in
Divisibility_and_Prime_Numbers
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Seen 33881 times
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HOW TO convert a decimal into fraction
in
Numeric_Fractions
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Seen 110172 times
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PROOF of divisibility by 3 rule
in
Divisibility_and_Prime_Numbers
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Seen 35923 times
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A percent is nothing but 1/100
in
percentage
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Seen 11634 times
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EXPLANATION of distributive property
in
Distributive-associative-commutative-properties
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Seen 36643 times
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WHAT IS a decimal
in
decimal-numbers
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Seen 27649 times
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PROOF of distributive property
in
Distributive-associative-commutative-properties
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Seen 22818 times
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WHAT IS a number line
in
Number-Line
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Seen 15776 times
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HOW TO add and subtract negatives
in
Signed-numbers
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Seen 47395 times
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Algebra I
FACTORIZATION of Polynomials (finding roots)
in
Polynomials-and-rational-expressions
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Seen 12160 times
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INTRODUCTION into Polynomials
in
Polynomials-and-rational-expressions
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Seen 14660 times
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INTRODUCTION into Functions
in
Functions
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Seen 18797 times
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INTRODUCTION into Inequalities
in
Inequalities
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Seen 18304 times
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SOLVING Linear Inequalities
in
Inequalities
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Seen 13479 times
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Introduction into Quadratic Equations
in
Quadratic_Equations
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Seen 54953 times
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PROOF of quadratic formula by completing the square
in
Quadratic_Equations
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Seen 28683 times
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Quadratics FAQ (Frequently Asked Quadratic Questions)
in
Quadratic_Equations
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Seen 5417 times
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WHY fractional exponents are defined the way they are
in
Exponents-negative-and-fractional
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Seen 7957 times
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WHY negative exponents are defined the way they are
in
Exponents-negative-and-fractional
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Seen 14163 times
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MORE on Graphing Functions and Inequalities
in
Graphs
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Seen 13512 times
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INTRODUCTION into Solving Systems of Equations
in
Systems-of-equations
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Seen 9007 times
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INTRODUCTION into Graphing Functions
in
Graphs
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Seen 16350 times
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WHAT do graphs NEED
in
Graphs
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Seen 10664 times
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THE KINDS of real numbers
in
real-numbers
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Seen 13445 times
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HOW MANY SOLUTIONS can there be in a linear equation?
in
Linear-systems
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Seen 30249 times
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Algebra II
INTRODUCTION into Vectors
in
Vectors
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Seen 4443 times
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BIG CHAPTER on Complex Numbers
in
Complex_Numbers
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Seen 14913 times
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INTRODUCTION into Trigonometry
in
Trigonometry-basics
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Seen 20940 times
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INTRODUCTION into Discrete Probability
in
Probability-and-statistics
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Seen 9735 times
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INTRODUCTION into Matrices
in
Matrices-and-determiminant
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Seen 12292 times
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INTRODUCTION into Vector Spaces
in
Linear_Algebra
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Seen 8617 times
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INTRODUCTION into Complex Numbers
in
Complex_Numbers
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Seen 36128 times
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INTRODUCTION into Conic Sections
in
Quadratic-relations-and-conic-sections
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Seen 9034 times
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COMPLETE Discussion of Matrices
in
Matrices-and-determiminant
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Seen 7263 times
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CARTOON of a full circle with angles
in
Trigonometry-basics
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Seen 5143 times
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BIG WEB BOOK into Linear Algebra
in
Linear_Algebra
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Seen 8251 times
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Geometry
PROOF of Pythagorean Theorem
in
Pythagorean-theorem
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Seen 15042 times
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EQUALITY of triangles
in
Triangles
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Seen 5948 times
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Triangles -- congruence and similarity
in
Triangles
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Seen 7339 times
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PROOFS in general
in
Geometry_proofs
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Seen 14294 times
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EASY PROOF of volume of a sphere
in
Volume
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Seen 35975 times
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FORMULAS for volume for common objects
in
Volume
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Seen 7186 times
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AREA of a cylinder
in
Bodies-in-space
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Seen 22418 times
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Word Problems
Word Problems with Digits
in
Numbers_Word_Problems
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Seen 22501 times
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Consecutive Number Word Problems, how to solve them easily
in
Numbers_Word_Problems
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Seen 37809 times
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TRANSLATE age word problems into Algebreze
in
Age_Word_Problems
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Seen 149331 times
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Logic
proofs in depth
in
Proofs
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Seen 1981 times
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proofs in depth
in
Proofs
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Seen 1981 times
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INTRODUCTION into Infinity and Infinite Sets
in
Finite-and-infinite-sets
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Seen 2473 times
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INTRODUCTION into Instruments of Logic
in
Conjunction
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Seen 2639 times
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INTRODUCTION into proofs
in
Proofs
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Seen 5390 times
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INTRODUCTION into proofs
in
Proofs
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Seen 5390 times
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These lessons were seen 1309583 times
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