4. [Core content] Tomaslav has learned the following facts well:All the sums of whole numbers that add to 10 or less-Tomaslavknows these facts "forward and backward." For example, heknows not only that 5 + 2 is 7, but also that 7 decomposes into5+2 or 2 + 5.▪10+1, 10+ 2, 10 + 3, ..., 10 + 10.▪ the doubles 1 + 1, 2 + 2, 3 + 3, .10 + 10.For each sum in this problem, describe at least three different waysthat Tomaslav could use reasoning, together with the facts he knowswell, to determine the sum. In each case, write equations thatcorrespond to the strategies you describe. Take care to useparentheses appropriately and as needed.a. 8+7b. 6+7c. 8+9 (Try to find four or five different ways to solve this.)

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Answered: nows not only that 5 + 2 is 7, +2 or 2…

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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Please help me with this assignment, I'm not sure what to do from 3. onwards Kiara and her friends are playing The Duck Gameat a local fair. In this game, the player selects oneof 50 identical plastic ducks from a pool. Thebottom of each duck is each numbered 1, 2, or 3. Ifyou draw a duck with a 1, you win a small prize, aduck with a 2 will win you a medium prize, and aduck with a 3 will win a large prize. According tothe game operator, there are 25 ducks with anumber 1 on the bottom, 20 ducks with the number2, and 5 ducks with the number 3.Use the information given to explore some of the mathematical concepts you have practiced sofar by answering the questions below.1. Suppose that Kiara plays The Duck Game once. What is the probability that she draws a duckwith the number 3 on the bottom? Explain the process you used to solve this question.2. Kiara draws a duck with a 1 on her first try and decides to play the game again. This time herfriends Denny and Rayanna play the game with…
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nows not only that 5 + 2 is 7, +2 or 2 + 5. 0 +1, 10 + 2, 10 + 3, ..., 10 + 10. The doubles 1 + 1, 2 + 2, 3 + 3, ..., 10- ach sum in this problem, descrit Tomaslav could use reasoning, to to determine the sum. In each c. -spond to the strategies you desc-