A Hemisphere-Shaped Dome of Radius 30 Ft Is to Be

question 19

Multiple Choice

A hemisphere-shaped dome of radius 30 ft is to be coated with a layer of rust-proofer before painting.Use differentials to estimate the amount of rust-proofer needed if the coat is to be 0.05 in.thick. Hint: The volume of a hemisphere of radius r is .

---

Definitions:

Inflation

The speed at which prices for general goods and services go up, resulting in a decline in how much money can buy.

Economy's Overall Price Level

The average of current prices across the entire spectrum of goods and services available in the economy, indicating inflation or deflation trends.

Rising

Describes an increase or upward movement in metrics such as price, quantity, or value.

Base Year

A reference year used for comparative purposes in the calculation of indexes, such as the Consumer Price Index, to measure changes over time.