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malfutka [58]
4 years ago
12

0 = x3 + 4x² - 9x-36 Rational roots?

Mathematics
1 answer:
Alex4 years ago
7 0

Answer:

Roots are x=-4,-3, and 3

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Answer:

M_x = 2, M_y = 3

Center of mass at (\frac{3}{10},\frac{2}{10})

Step-by-step explanation:

Given a set of objects m_1, \dots, m_k located at the points P_1(x_1, y_1), \dots, P_k(x_k,y_k) The moments Mx and My are calculated as follows.

M_x = \sum_{n=1}^k m_n\cdot y_n, M_y = \sum_{n=1}^k m_n\cdot x_n

and the Center of mass is given at the coordinates (\frac{My}{M}, \frac{Mx}{M}) where M is the total mass of the system.

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