Answer:
Step-by-step explanation:
integral(x/(1+x^2)^2)dx
=(1/2)integral(2x/(1+x^2)^2)dx
=(1/2)[-1/(1+x^2)] +c
Answer:
a) 23.0769% increase
b) 9.375% decrease
Step-by-step explanation:
Answer: 60.5
Step-by-step explanation:
The forecast for the next period using the simple exponential smoothing method is given by:
, where D= actual demand for the recent period, 
smoothing factor, F= forecast for the recent period .
Given: D= 64, 
, F= 59
The forecast for the next period = 
Hence, the forecast for the next period = 60.5
Answer: The formula for the volume of a polygon is 1/2 x perimeter x apothem
Answer:
The answer to your question is: Salt
Step-by-step explanation:
Element: is a substance that cannot be converted into another substance.
Compound: is a substance that is formed by 2 or more elements.
Mixture: is a substance composed by 2 or more compounds.
Iron it is an element
Salt it is a compound
River sediment it is a mixture
Ocean water it is a mixture
