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When running a 100 meter race Shane reaches his maximum speed 7 seconds after the race started when he is 30 meters from the starting line. Shane runs at this max speed for the rest of the race. Shane is 70 meters from the starting line 12 seconds after the start of the race. a. What is Shane's max speed? meters per second Preview b. Suppose Shane runs for an additional z seconds after reaching his max speed. i. How far will Shane travel during those additional z seconds? meters Preview ii. What is Shane's distance from the starting line 7 + z seconds after the race started? meters Preview c. What is Shane's distance from the starting line z seconds after the race started (provided z > 7)? meters Preview

When running a 100 meter race Shane reaches his maximum speed 7 seconds after the race started when he is 30 meters from the starting line. Shane runs at this max speed for the rest of the race. Shane is 70 meters from the starting line 12 seconds after the start of the race. a. What is Shane's max speed? meters per second Preview b. Suppose Shane runs for an additional z seconds after reaching his max speed. i. How far will Shane travel during those additional z seconds? meters Preview ii. What is Shane's distance from the starting line 7 + z seconds after the race started? meters Preview c. What is Shane's distance from the starting line z seconds after the race started (provided z > 7)? meters Preview

Algebra & Trigonometry with Analytic Geometry
Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter9: Systems Of Equations And Inequalities
Section9.2: Systems Of Linear Equations In Two Variables
Problem 46E
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attempts. License When running a 100 meter race Shane reaches his maximum speed 7 seconds after the race started when he is 30 meters from the starting line. Shane runs at this max speed for the rest of the race. Shane is 70 meters from the starting line 12 seconds after the start of the race. a. What is Shane's max speed? meters per second Preview b. Suppose Shane runs for an additional z seconds after reaching his max speed. i. How far will Shane travel during those additional z seconds? meters Preview ii. What is Shane's distance from the starting line 7 + z seconds after the race started? meters Preview c. What is Shane's distance from the starting line x seconds after the race started (provided x > 7)? meters Preview Box 1: Enter your answer as a number (1like 5, -3, 2.2172) or as a calculation (like 5/3, 2^3, 5+4) Enter DNE for Does Not Exist, oo for Infinity Box 2: Enter your answer as an expression. Example: 3x^2+1, x/5, (a+b)/c Be sure your variables match those in the question Box 3: Enter your answer as an expression. Example: 3x^2+1, x/5, (a+b)/c Be sure your variables match those in the question Box 4: Enter your answer as an expression. Example: 3x^2+1, x/5, (a+b)/c Be sure your variables match those in the question Submit License Question 4. Points possible: 4 Unlimited attempts. MacBook A F12
Transcribed Image Text:attempts. License When running a 100 meter race Shane reaches his maximum speed 7 seconds after the race started when he is 30 meters from the starting line. Shane runs at this max speed for the rest of the race. Shane is 70 meters from the starting line 12 seconds after the start of the race. a. What is Shane's max speed? meters per second Preview b. Suppose Shane runs for an additional z seconds after reaching his max speed. i. How far will Shane travel during those additional z seconds? meters Preview ii. What is Shane's distance from the starting line 7 + z seconds after the race started? meters Preview c. What is Shane's distance from the starting line x seconds after the race started (provided x > 7)? meters Preview Box 1: Enter your answer as a number (1like 5, -3, 2.2172) or as a calculation (like 5/3, 2^3, 5+4) Enter DNE for Does Not Exist, oo for Infinity Box 2: Enter your answer as an expression. Example: 3x^2+1, x/5, (a+b)/c Be sure your variables match those in the question Box 3: Enter your answer as an expression. Example: 3x^2+1, x/5, (a+b)/c Be sure your variables match those in the question Box 4: Enter your answer as an expression. Example: 3x^2+1, x/5, (a+b)/c Be sure your variables match those in the question Submit License Question 4. Points possible: 4 Unlimited attempts. MacBook A F12
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