1. Write two additional statements to describe situations in which opposite quantities combine to equal zero ? 2. Explain why subtracting a positive number is the same as adding its inverse?
1. Write two additional statements to describe situations in which opposite quantities combine to equal zero ? 2. Explain why subtracting a positive number is the same as adding its inverse?
Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
Section: Chapter Questions
Problem 1RQ
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The following statements describe situations in which opposite quantities combine to equal zero.
- The temperature at the start of a football game was twenty degrees above zero. During the game, the temperature dropped twenty degrees.
- A football fan had $80 to spend. He spent $10 to park his car, $60 for tickets to the game, and $10 for some snacks during the game.
- The home team gained 5 yards on the opening play. On the next play, the team had a loss of 5 yards. 1. Write two additional statements to describe situations in which opposite quantities combine to equal zero ? 2. Explain why subtracting a positive number is the same as adding its inverse?
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