Answered: Question 1: A clock tower is 15 feet…

Algebra: Structure And Method, Book 1

(REV)00th Edition

ISBN:9780395977224

Author:Richard G. Brown, Mary P. Dolciani, Robert H. Sorgenfrey, William L. Cole

Publisher:Richard G. Brown, Mary P. Dolciani, Robert H. Sorgenfrey, William L. Cole

Chapter4: Polynomials

Section4.8: Rate-time-distance Problems

Problem 3OE

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Please use the following format: Strategy: What should your answer look like? Are there reasonable and unreasonable limits to your answer? What information do you know? What ways would you try to solve this problem? Draw a picture to help! Execution: Perform and show the steps in a calculation. Draw a picture if necessary Check your work: Question 1: A clock tower is 15 feet tall. How long is its shadow when the sun is at an altitude (angle above the horizon) of 60 degrees? Give your answer in feet. Question 2: Due to continental drift, Africa and South America are moving away from each other at a rate of 4 centimeters per year. The two coasts are currently separated by 5,000 km. Assuming this drift rate is constant, how long ago were the coasts touching? Give your answer in millions of years.

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