# Posts by layton

Total # Posts: 5

**Physics**

The average distance between the earth and the sun is 1.50X10^8 A. calculate the average velocity in km/h of the earth along its original path The average distance between the earth and the sun is 1.50X10^8 B. convert your answer from km\h to m\s. Show all units.

**trigo**

a crane at the edge of a dock is supported by a cable 15 meters long, attached to the dock 9 meters long from the base of the crane. if the crane is 6 meters long, what is the acute angle that the crane arm forms with the horizontal?

**reasearch paper**

what activities are in the pre writing stage of the writing process?

**CALCULUS**

The expression (3a^2 b^4 c^2)^2 (2a^4 b^2 c^4)^3 equals na^r b^s c^t It ask what n, the leading coefficient is and I think it is 72? and to find the exponents r s and t would you just multiply it but whatever number is on the outside? or do I need to find the derivative??

**calculus**

f(x)= 7-5x^4 How would find the the absolute max and the x value? I think you have to take the derivative which is -20x^3 but then I am lost??

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