Answer:
84 is the median
Step-by-step explanation:
100, 100, 92, 90, 88, 84, 81, 80, 80, 75, 40
\ 100, 92, 90, 88, 84, 81, 80, 80, 75 /
\ 92, 90, 88, 84, 81, 80, 80 /
\ 90, 88, 84, 81, 80 /
\ 88, 84, 81 /
\ __ /
84
N = 5
y = -2x + 5
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The answer to your question is:
x² + 3x - 5
x² + 3x + (3/2)² = 5 + (3/2)²
(x + 3/2)² = 5 + 9/4
(x + 3/2)² = (20 + 9) /4
(x + 3/2)² = 29/4
x + 3/2 = ±√29 / 2
x 1 = -3/2 + √29/2 x2 = -3/2 - √29/2
x1 = 1.19 x2 = -4.19
