9. All of the following statements regarding the general equation of the parabola x² - 20x + 4y + 88 = 0 are FALSE EXCEPT a. The vertex is (-10, 3). b. The length of the latus rectum is 1. c. The parabola opens to the right. d. The equation of the directrix is y = 4.

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Q: 2. Calculate the centroid of the thin plate R which bounded by r = 1, y = 0 and, 2² + y² = 4. CCC

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Q: 2. Calculate the centroid of the thin plate R which bounded by a = 1, y = 0 and, x² + y² = 4.

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Q: 2. Calculate the centroid of the thin plate R which bounded by z = 1, y = 0 and, z² + y² = 4. fcc

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