Precalculus Mathematics Homework Help Forum

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Free pre-calculus mathematics homework help from qualified mentors. Math courses prior to calculus homework. Please use the template when requesting help and show your work.
If 1=5, 2=25, 3=125,4=1880, 5=?
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Number of lines equidistant from four points on a plane
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2
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895
Chance of Selecting Twins from Group of 30 [Solved!]
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24
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1K
Plotting points in three-dimensional space
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8
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910
Trying to understand the property of absolute value inequality
2
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38
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Using inverses to solve systems of equations
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575
"Calculating Korifice Value in Cranes TP 410M, Problem 7-12
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6
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Solve 2 Triangle Problem: Calculate Exact Value of x
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7
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1K
Is it ok to assume matrices A and B as identity matrix?
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25
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941
Find the GCD of the given complex numbers (Gaussian Integers)
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4
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1K
Solving Equations: Does Squaring Make False True?
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20
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775
Proving inverse of a 2 x 2 matrix is really an inverse
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3
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735
What Does Commutation Mean for Matrices A and B?
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812
Problems in manipulating these 4 radical equations
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800
Show that ##f(x)=2',1',2'## in the irreducible Polynomial
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8
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698
Transformations to both sides of a matrix equation
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25
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Is there a rule that states that I should not divide in this scenario?
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630
Deriving algebraic definition of cross product
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12
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858
Free variables for a matrix in REF
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3
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1K
Gauss-Jordan Elimination algorithm steps
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1
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496
Finding vectors parallel to a given vector
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5
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1K
Identifying the type of expression
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3
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451
Finding the value of lambda so that two lines are parallel
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6
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928
Exploring the Math of Glucose Polymers: Understanding 6^n
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6
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687
Interchanging x and y for inverse function
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13
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2K
Solving an Asymmetrical Inequalities Problem: Seeking Light
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29
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1K
Cannot understand what ##(mod ~ \pi)## means in the given formula
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7
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636
Is ##f(x)=2^{x}-1## considered an exponential function?
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12
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1K
Trig Identities - Pre-calculus in a Nutshell - Section 4 Question 1
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24
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3x3 matrix with complex numbers
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18
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Inequality question -- Need help getting started...
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7
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622
Is it Possible for x^2 to Exceed 900?
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32
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Calculating the distance from a point to a plane
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1
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745
Why Does Flipping the Denominator in Complex Fractions Give the Wrong Answer?
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9
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640
Solving a nested logarithmic equation
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2
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737
Find all the ways of writing N into x^2-y^2
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8
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796
Solving Plane Equation 3x + 2y -z = 4
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8
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1K
Find the range of values of a + b
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6
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588
How to Simplify This Trigonometric Equation Using Substitutions?
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4
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615
Find the coordinates of D which lies on the vector BC
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4
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612
Two roads meeting a river at different angles (heights and distances)
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7
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547
Why is this result different? (calculating the sides of a triangle)
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6
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624
Make ##x## the subject of the formula
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15
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661
Find the Area of the shaded region in the given problem
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1
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679
I don't understand this step in turning this negative into a positive
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6
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696
A formula involving the sum of cosines of the angles of a triangle
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6
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941
Algorithm problem involving 3 points and 3 lines in the x,y plane
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7
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910
Simplifying this complicated fraction
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6
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642
Finding the domain of a composite function
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10
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868
Prove that there are infinitely many primes of the form ## 6k+1 ##?
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12
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How can I simplify 1/cuberoot(2)?
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13
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851
Geometry: prove that point M is touched by 4 circles
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4
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858
Justifying Equilateral Triangle AEF in ABCD
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5
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810
Exploring Equation of a Straight Line in 3D Space
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17
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1K
Solving a⁻¹ - b⁻¹ = b - a /(ab)
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13
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919
Calculating Left Hand Limit: ##\sqrt 6##
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17
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788
Find an equivalent equation involving trig functions
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4
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555
MHB Find this unknown angle in the triangle
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25
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What Is the Next Step in Solving This Logarithmic Equation?
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5
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584
Find angle B in the trigonometry problem
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30
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Solve the given trigonometry problem
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7
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Solve the given equation that involves fractional indices
2
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39
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Finding the angle between two vectors
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2
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660
Solving an absolute value quadratic inequality
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9
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819
How to find z^n of a complex number
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12
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1K
Probability of not getting a prize
2
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36
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What are the implied domain and range of cos(arctan(x))?
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3
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1K
Area of Quadrilateral inside a rectangle
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2
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781
Are both sample spaces the same or do they mean different things?
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5
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710
Geometry problem with arcs in a triangle
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16
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933
Writing a logarithm in a form not involving logarithms
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4
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946
Solve the given vector problem
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1
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622
Understanding Negative Velocity and Displacement on a Velocity-Time Graph
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7
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580
Quadratic inequalities with absolute values
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7
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756
Triangle formed by straight lines
2
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43
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2K
Need Aid On This Problem Set (Combinations of Month Numbers in 10 Years)
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17
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1K
Formula for Xo and Yo for graph of quadratic function
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2
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921
Prove that ##AE=2BC## -Deductive Geometry
2
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52
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Is it possible to find the range of this function?
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22
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933
Limit question to be done without using derivatives
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25
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787
Find the values of a and b in the given polynomial
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15
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1K
Show that ##P(X=2)=\dfrac{2}{15}##
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7
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905
Choose a ball at random from a randomly selected box - alternative way
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10
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1K
Do We Need Boundaries for Fraction Equations?
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21
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864
Quadratic equation: Which way is correct? pic1 or pic2?
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32
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973
Complex numbers problem |z| - iz = 1-2i
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20
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960
Logarithm Questions - Solve Now!
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3
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868
How do you find the LCM and HCF?
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14
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A problem related to divisibility
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3
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661
Changing the base of a logarithm
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7
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943
How to apply BODMAS correctly in the given problem
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11
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727
Stopping the Bus in 100m - Can it be done?
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4
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1K
Laws of Logarithms: Definition & Examples
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8
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835
Calculating Probability Using Bayes' Formula: Solving for P(urn III | silver)
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6
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894
Prove that ## g(x)=f(x)\log {x}-\int_{2}^{x}t^{-1}f(t)dt ##.
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7
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847
How Can I Solve a System of Equations With Complex Numbers?
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19
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Solve for ##x## in the Given Problem
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17
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862
How Can I Solve ##1+i^3+i^5+...+i^{553}+i^{555}\ ?##
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4
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615
InWhat Situations Do We Enounter the Golden Ratio?
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10
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How to prove this using Abel's summation formula?
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9
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975

Precalculus Homework Help

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