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What is the equation of the line perpendicular to y=1/2x+1 that contains the point (-2,1)

What is the eq of the line perpendicular to y=1/2x+1 that contains (-2,1)  

12/13/15

(College Precalc) Arithmetic Sequences - Finding the sum given two random terms

A finite arithmetic series has 90 terms with a5=182 and a86=291.6. What's the sum of the series?   I have no idea where to begin. I know to find the sum when I'm given the first few terms and the... more

12/13/15

my question is about math ca

Zach lists the following relation and tells his teacher it is a function. {(2, 1) (3, - 2) (4, 5) (5, - 2)}. He is correct. His teacher instructs him to add another ordered pair so that it will NOT... more

i really need help because I have a FINAL EXAM ON MONDAY and i so confuse with this question. please HELP me!!

Writing Algebraic Expressions1) The distance around a basketball, or circumference, is about three times the circumference of a softball. Define a variable and write an expression to represent the... more

12/13/15

Write the following expression as a single term that doesn't contain a logarithm

     3-2ln(X)+ln(Y) e^   use the properties of logarithms to write the following expression as a single term that doesn't contain a logarithm.

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