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In Exercises 19-28, solve each system by the addition method. Jx² + y? = 13 S4x? – y? = 4 20. 19. (r² - y? = 5 Sx? - 4y² = -7 |3x² + y? = 31 ( 4x² + y² = 4 S3x? - 2y? = -5 21. 22. |2r² - y² = -2 S3x² + 4y? – 16 = 0 S16x? - 4y? - 72 = 0 x? - v - 3 = 0 23. 24. 2r? - 3y? - 5 = 0 Sx? + y? = 25 25. (x? + y? = 5 26. l(x - 8) + y = 41 u² + (y – 8 = 41 Sy - x = 4 27. x - 2y = 8 28. x² + y? = 4 u² + y? = 16 %3D

In Exercises 19-28, solve each system by the addition method. Jx² + y? = 13 S4x? – y? = 4 20. 19. (r² - y? = 5 Sx? - 4y² = -7 |3x² + y? = 31 ( 4x² + y² = 4 S3x? - 2y? = -5 21. 22. |2r² - y² = -2 S3x² + 4y? – 16 = 0 S16x? - 4y? - 72 = 0 x? - v - 3 = 0 23. 24. 2r? - 3y? - 5 = 0 Sx? + y? = 25 25. (x? + y? = 5 26. l(x - 8) + y = 41 u² + (y – 8 = 41 Sy - x = 4 27. x - 2y = 8 28. x² + y? = 4 u² + y? = 16 %3D

Calculus: Early Transcendentals
Calculus: Early Transcendentals
8th Edition
ISBN:9781285741550
Author:James Stewart
Publisher:James Stewart
Chapter1: Functions And Models
Section: Chapter Questions
Problem 1RCC: (a) What is a function? What are its domain and range? (b) What is the graph of a function? (c) How...
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In Exercises 19-28, solve each system by the addition method. Jx² + y? = 13 S4x? – y? = 4 20. 19. (r² - y? = 5 Sx? - 4y² = -7 |3x² + y? = 31 ( 4x² + y² = 4 S3x? - 2y? = -5 21. 22. |2r² - y² = -2 S3x² + 4y? – 16 = 0 S16x? - 4y? - 72 = 0 x? - v - 3 = 0 23. 24. 2r? - 3y? - 5 = 0 Sx? + y? = 25 25. (x? + y? = 5 26. l(x - 8) + y = 41 u² + (y – 8 = 41 Sy - x = 4 27. x - 2y = 8 28. x² + y? = 4 u² + y? = 16 %3D
Transcribed Image Text:In Exercises 19-28, solve each system by the addition method. Jx² + y? = 13 S4x? – y? = 4 20. 19. (r² - y? = 5 Sx? - 4y² = -7 |3x² + y? = 31 ( 4x² + y² = 4 S3x? - 2y? = -5 21. 22. |2r² - y² = -2 S3x² + 4y? – 16 = 0 S16x? - 4y? - 72 = 0 x? - v - 3 = 0 23. 24. 2r? - 3y? - 5 = 0 Sx? + y? = 25 25. (x? + y? = 5 26. l(x - 8) + y = 41 u² + (y – 8 = 41 Sy - x = 4 27. x - 2y = 8 28. x² + y? = 4 u² + y? = 16 %3D
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