Mathematics, 17.07.2019 17:30, mimithurmond03
You are the coordinator for a program that is going to take place at night in a rectangular amphitheater in the mountains. you will have no access to any electricity, but you must be able to illuminate the entire grounds. you know the intensity of the light from a lantern varies inversely as the square of the distance from the lantern. suppose the intensity is 90 w/m(2) when the distance is 5 m.
a. write an equation to model the situation.
b. solve for the constant of variation.
c. write the equation to model the situation using the constant (k) of variation.
d. you have been given lanterns with 40 w/m (2) light intensity. use your equation to solve for the distance from the lantern.
e. you need to illuminate 225 km. how many meters do you need to light?
f. how many lanterns will you need?
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Identify the statement below as either descriptive or inferential statistics. upper a certain website sold an average of 117 books per day last week. is the statement an example of descriptive or inferential statistics? a. it is an example of descriptive statistics because it uses a sample to make a claim about a population. b. it is an example of inferential statistics because it uses a sample to make a claim about a population. c. it is an example of inferential statistics because it summarizes the information in a sample. d. it is an example of descriptive statistics because it summarizes the information in a sample.
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