Using the Definition of average speed, we have:
Obs: approximate results
Letter DIf you notice any mistake in English, please let me know, because I'm not native.
Answer:
x and y have a weak, negative correlation
Step-by-step explanation:
the reason that is, is because since the points aren't in a approximate line it is considered weak. Since the line is going from left to right it is considered negative. (hope this helped :)
Answer:
this is not a reel problem
Step-by-step explanation:
Answer:
x = ±2√10
Step-by-step explanation:
40 - x² = 0
⇌
(√40 - x)(√40 + x) = 0
⇌
x = √40 or x = -√40
we can go further and say that √40 = 2√10
