Question

graph the systems of linear inequality 2x + 5y < 10 and 4x ≥ -8. Determine if each ordered pair given below is a solution to the system of linear inequality. Write YES if it is a possible solution and NO if not.

1. (3,5) 6. (2, 15)
2. (-2, -10) 7. (-6, 10)
3. (5, -12) 8. (-12, 1)
4. (-6, -8) 9. (0, 2)
5. (0, 0) 10. (5, 0)

Answer 1

Answer:

Dobereiner’s Triads

Dobereiner arranged a group of three elements with similar properties in the order of increasing atomic masses and called it a triad. He showed that the atomic mass of the middle element is approximately the arithmetic mean of the other two. But, Dobereiner could identify only the following three triads from the elements known at that time.