Step-by-step explanation:
a = -52 - b / 4
b = -52 - 4a
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Answer:
second and last are true
Step-by-step explanation:
Answer:
I would say A
Step-by-step explanation:
hmu if you need more help
Z score = (x -mean) / standard deviation.
For this problem X = 50 cm.
Z-score = (50 - 49.2) / 1.8
Z score = 0.8 / 1.8
Z score = 0.44
Look up 0.44 on a z-score table.
0.44 = 0.6700
0.67 x 100 = 67% will be 50 cm or longer.
Answer:
8 percent
Step-by-step explanation:
9.75/9 is 1.08, which means 8 percent