bayloann2621
12.07.2019 •
Mathematics
From the top of mt washington, which is 6288 feet above sea level, how far is it to the horizon? assume that the earth has a 3960-mile radius (one mile is 5280 feet), and give your answer to the nearest mile.
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Ответ:
the radius of earth = 3960 miles
1 mile = 5280 feet
radius of earth in feet = 3960*5280 = 20,908,800 feet
height of mount washington = 6288 feet
we assume that the radius of the earth represents the distance from the earth to the horizon. so the distance to the horizon from mount washington would be the radius of the earth less the height of mount washington
height from mount washington to horizon = radius of earth in feet - height of mount washington
height from mount washington to horizon = 20,908,800-6,288 = 20,902,512 feet
height from mount washington to horizon (in miles) =20,902,512/5280 = 3958.81 miles
height from mount washington to horizon (in miles) = 3,959 miles (rounded to the nearest mile)
Ответ:
The value of square root of 75 is 8.65.
Step-by-step explanation:
Since we have given that
a) Explain why her reasoning is incorrect.
Her reasoning is incorrect.
As we can write it as :
(b) Estimate the square root of 75 to the nearest thousandths without using your calculator. Show
As we know that
So, the square root of 75 would be :
Hence, the value of square root of 75 is 8.65.