How far from tree one can see its top at given angle
If one moves 16 metres away from tallest tree in the garden, top of the tree will be seen under angle pi/3. How far from tree one can see its top at angle pi/6?
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The planet's orbit follows the path described by 16x^2+4y^2=64. The comet follows parabolic path y=x^2-4. Where might comet intersect orbiting planet?
A random sample of 50 students' results found that they employed a mean of 476 cups with ? = 42 cups. At ? =0.01, is there sufficient evidence to conclude that the mean differs from 500?
Assume X is normal random variable with µ = 30 and s = 2. Determine the values of following probabilities. (Round your answers to four decimal places.)
Assume we are standing on top of the 300ft tower and we are holding the shiny new penny. We don't hurl it down, for that would be wrong.
At ? = 0.01, is there enough evidence to support researcher's claim? A Probability plot and box plot showed that both variables are distributed normally as well as have no outliers.
Kendall is riding on the Ferris wheel. She observes that it takes 49 seconds to make the complete revolution. Her seat is 31 feet from axle of wheel. Use formula v=rw to determine the linear velocity in feet per second.
When conducting significance test to find out if there is difference between two treatments, with a quantitative response variable, both treatments given to the same experimental units, we summarize the data by:
Investigate hypothesis that number of crimes is related to police expenditures because states with higher crime rates are likely to raise their police force, thereby spending more on the number of officers on street.
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A badly injured Soldier arrives at a medical facility but is now non- transportable because of their injuries, so they receive resuscitative surgical care
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