How much stock market went up in second five years
Stock market tripled in 10 years. a) Find average change per year over those 10 years b) In first five years it went up 90% (not 90% per year-90% total). How much it went up in second five years?
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A certain waffle iron is rated at 0.58 kW if joined to a 120 V source. (i) Determine current does the waffle iron carry?
A developmental psychologist would like to know whether there is a difference in sociability scores of children according the number of siblings they have. He chose three random samples of n = 5 children each according to three groups and measured
A light-bulb of 120 W joined to a 120-V source experiences a voltage surge which generates 137 V for a moment. By what percentage does its power output increase? Suppose its resistance doesn’t change.
Find out the mean and standard deviation of hypergeometric dist. With the parameters n=3. a=4, and N=8
A developmental psychologist would like to know whether there is a difference in the sociability scores of children according the number of siblings they have.
The rotational speed of the automobile engine is raised at a constant rate from 1100 rev/min to 4300 rev/min in 14 s. (i) Determine its rotational acceleration in revolutions per minute-squared?
Both objects were liberated from the similar position at the top of the ramp. When the speed sphere of the solid sphere at the bottom of the ramp was 1.65 m/s, determine what would be the speed cylinder at the bottom of the ramp?
A laser produces a cylindrical beam of light 3.4 mm in diameter having an average power of 3.1 mW. (i) When the laser is shined on a perfectly absorbing surface, determine how much energy does the surface receive in 24 s?
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