Find the horizontal distance between two balloons
The two hot air balloons in the drawing are 48.2 and 61.0 m above the ground. A person in the left balloon observes that the right balloon is 14.6° above the horizontal. What is the horizontal distance x between the two balloons?
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The partition is now removed, the water expands to fill the entire tank. Determine the final temperature and volume of the tank for a final pressure of 10 kPa.
The complete combustion of a substance containing carbon andhydrogen requires 1 mole of oxygen for each mole of carbon and 1mole of oxygen for every two moles of hydrogen to form the productsCO2 and H2O.
Suppose for each student in a large statistics class, you record how far she/he sits from the teacher during a particular class session and how much time she/he spends on her/his computer during class. (No explanations are necessary for the follow
Give the 90% large-sample confidence interval for the proportion p of all teens with profiles who include photos of themselves. Large-sample Interval:?
EDTA is a very common ligand, which like oxalate, binds to manymetals. However, unlike oxalate, which forms two bonds, EDTA forms6 bonds to the metal.
Give two suggestions regarding how a statistician might generate probability estimates when empirical data is unavailable.
List some of the risks in using samples to make inferences about populations from which the samples were drawn. What can be done to mitigate these risks?
For a certain gas that contains only carbon and hydrogen the masspercentage of carbon is known to be 85.62. It is alsoknown that 2.58 g of the gas has a volumeof 1.00 L and a pressure of 0.980 atm at 51.3 oC.
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