Answer: 2.5%
Step-by-step explanation:
Mean score = 65
Standard deviation = 5
Score (x) = >75
Z-score = [(score - mean) ÷ standard deviation]
Z - score = [(75 - 65) ÷ 5]
Z - score = 10 ÷ 5 = 2
P(score higher than 75) = 100 - 95 = 5/2 = 2.5%
12) m 1) MZHGF = 16x + 4, mZEGF= 110°, and mZHGE = 3x + 11. Find x. G H
1 answer:
Answer:
Step-by-step explanation:
Since we are not given a midpoint, we use the Angle Addition Postulate:
110 = [3x + 11] + [16x + 4]
110 = 15 + 19x
- 15 - 15
_______________
95 = 19x
___ ___
19 19
5 = x
110 = [3[5] + 11] + [16[5] + 4]
15 80
110 = 110 ☑
Therefore, is a genuine statement.
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