Usman458
10.10.2019 •
Mathematics
Ahemispherical dome of radius 50 feet is to be given 7 coats of paint, each of which is 1/100 inch thick. use linear approximation to estimate the volume of paint needed for the job.
( hint: approximate the change in the volume of a hemisphere when the radius increases from 50 feet to 50 feet 7/100 inches. don't forget to make sure this increased radius is in terms of feet. )
it will take approximately cubic feet of paint to apply all 7 coats of pain.
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Ответ:
Step-by-step explanation:
We are given that radius of hemispherical dome=50 feet
Number of coats of paint=7
Thickness of each coat of paint=
We have to find the volume of paint by using linear approximation
Volume of hemisphere=
Differentiate w.r.t r
Then, we get
By approximation
Substitute the values then we get
Ответ: