It is false that there is a <span>negative correlation between the number of years in college and earnings.</span>
Answer:
8x+5
Step-by-step explanation:
any letter will mean 1
<span>-7 x (-9) = +63
because if we multiply negative by negative we obtain +</span>
No as it doesn’t go vertically through 1/3 on x axis
Answer:
Number of points, x, Number of segments, y
x: 2, 3, 4, 5, ... N,. ...
y: 1, 3, 6, 10, ... (N-1)(N)/2, ...
Step-by-step explanation:
Adding Nth point, there are N-1 new segments,
and (sum over {i = 1 to N-1} of i) total segments. As Gauss knew when he was c.10 yo, the sum is (N-1)(N)/2.