Friday
May 24, 2013

# Posts by tara

Total # Posts: 300

Algebra2
I got this answer for a problem, and I'm not sure if it's right. Can someone tell me if I'm correct? 1.(2+4i / 3-i) = 6/7+5/7i

Calculus
Derivative, my apologies.

Calculus
f(x)= 5ln(x)/x^7

math
Angle A=60° Angle B ? Angle C 90°

Calculus
Thank you, and I was a bit confused. Thanks though!

Calculus
find the derivative of the function: f(x)=6ln(x)/x^9

Calculus
a piece of wire 12 ft. long is cut into two pieces. one piece is made into a circle and the other piece is made into a square. Let the piece of length x be formed into a circle. allow x to equal 0 or 12, so all the wire is used for the square or for the circle. How long should...

MTH208
123

geometry
A student notices that the shadows of a sign and a tree lie among the same line and end at the same point. The height of the sign is 2 meters and its shadow is 3 meters in lenght. The distance from the base of the sign to the base of the tree is 12 meters. How tall is the tree?

statistics
suppose the replacement times for washing machines are normally distributed with mean 8.6 years and standard devistion of 1.6years. a. what percentage of washing machines have replacement times less than 7 years? b. find the probability that a washing machine will have a repla...

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