29. x + y = 1 31. x2 + y2 = 1 43. x2 + (y 4)2 = 16 49. r cos = 7 53. r2 = 4 – p.763 graph with calculator cardioid, symmetric about the y-axis – Assignment #104, 105 Answers are on the worksheets Assignment #106 1. E 2. A 3. B 4. D 5. B 6. Area of semicircle = r2 = = y2 π π 2 So, V = = = Assignment #106.5, 107 Answers are on the worksheet
29. x + y = 1 31. x2 + y2 = 1 43. x2 + (y – 4)2 = 16 49. r cos = 7 53. r2 = 4 p.763 graph with calculator – cardioid, symmetric about the y-axis Assignment #104, 105 Answers are on the worksheets Assignment #106 1. E 2. A 3. B 4. D 5. B 6. Area of semicircle = π r2 = π 2 = y2 So, V = = = Assignment #106.5, 107 Answers are on the worksheet
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