In Exercises 47-52, use inductive reasoning to predict the next line in each sequence of computations. Then use a calculator or perform the arithmetic by hand to determine whether your conjecture is correct. 1 × 9 − 1 = 8 21 × 9 − 1 = 188 321 × 9 − 1 = 2888 4321 × 9 − 1 = 38 , 888
In Exercises 47-52, use inductive reasoning to predict the next line in each sequence of computations. Then use a calculator or perform the arithmetic by hand to determine whether your conjecture is correct. 1 × 9 − 1 = 8 21 × 9 − 1 = 188 321 × 9 − 1 = 2888 4321 × 9 − 1 = 38 , 888
Solution Summary: The author calculates the next line in the sequence of computation, which is 54,321times 9-1=488,888.
In Exercises 47-52, use inductive reasoning to predict the next line in each sequence of computations. Then use a calculator or perform the arithmetic by hand to determine whether your conjecture is correct.
A speeder traveling 45 miles per hour (in a 25-mph zone) passes a stopped police car, which immediately takes
off after the speeder. If the police car speeds up steadily to 60 mph over a 10-second interval and then travels at a
constant 60 mph, how many seconds will it take for the police car to catch the speeder, who continued traveling
at 45 mph? (See figure above.)
TIP
Enter your answer as an integer or decimal number. Examples: 3, -4, 5.5172
Enter DNE for Does Not Exist, oo for Infinity
Get Help:
A merchant obtains the retail price of an item by adding 39% to the wholesale price. Later, he has a sale and marks every item down 39% from the retail price.
Is the sale price the same as the wholesale price? (Hint: Consider a specific item whose wholesale price is $100.)
The sale price
v the same as the wholesale price because the wholesale price is $ and the sale price is $
(Type an integer or a decimal.)
Use deductive reasoning to show that the following procedure
produces a number that is three times the original number.
Procedure: Pick a number. Multiply the number by 6, add 10 to the
product, divide the sum by 2, and subtract by 5.
Hint: Let n represent the original number.
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Grade 12 and UG/ Introduction to logical statements and truth tables; Author: Dr Trefor Bazett;https://www.youtube.com/watch?v=q2eyZZK-OIk;License: Standard YouTube License, CC-BY