Answer:

Step-by-step explanation:






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Answer:
Step-by-step explanation:
Find the area under the standard normal curve between z = 1 and z = 2.
- <em>13.59% or 0.1359</em>
- <em>THANXXX</em>
- <em>HEYAAA</em>
3. (24 + x) / 2 > 58 <== ur inequality
(24 + x) > 58 * 2
24 + x > 116
x > 116 - 24
x > 92....so she would have to score at least 93 points
4. 6x - 60 > = 510 <== ur inequality
6x > = 510 + 60
6x > = 570
x > = 570/6
x > = 95 <== solution
X> 1/3 because 4-3<3x
1/3< 3x/3
Answer:
1/3 min ( = 20 seconds)
Step-by-step explanation:
The period of the ride is the time he takes to complete 1 revolution
We are given:
12 revolutions -------> takes 4 min
1 revolution ------> takes 4/12 = 1/3 min (= 20 seconds)