Answer:
D.
Step-by-step explanation:
cos is positive and sin is negative
=>
it must be in quadrant IV.
you remember, 1 = sin² + cos²
1 = sin² + (3/5)² = sin² + 9/25
25/25 = sin² + 9/25
16/25 = sin²
sin = 4/5 or -4/5
and as sin of this angle is < 0, our solution is -4/5
Answer:
x = 9
y = 6
Step-by-step explanation:
x / 12 = 6 / 8
x = 6/8 * 12 = 9
(y-4) / 4 = 3 / 6
y - 4 = 3/6 * 4 = 2
y = 6
Answer:
median:23
range: 13
25th percentile: 20
75th percentile: 27
inter quartile Range: 20-27 (I may be wrong)