Answer:
-8.95
Step-by-step explanation:
1.3 - 6 - 4.25
-4.7 - 4.25
-8.95
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Answer: 68% of light bulbs last between 1765 hours and 1835 hours.
Step-by-step explanation:
The empirical rule states that for a normal distribution, nearly all of the data will fall within three standard deviations of the mean . The empirical rule is further illustrated below
68% of data falls within the first standard deviation from the mean.
95% fall within two standard deviations.
99.7% fall within three standard deviations.
From the information given, the mean is 1800 hours and the standard deviation is 35 hours.
1 standard deviation = 1 × 35 = 35
1800 - 35 = 1765 hours
1800 + 35 = 1835 hours
Therefore, 68% of light bulbs last between 1765 hours and 1835 hours.
Answer:
1. 65536
2. 458752000
Step-by-step explanation:
2 to the power of 16 is 65536
458752000=65536*7000
Answer:
252
Step-by-step explanation:
Split up the shape
First part:
12*12=144
Second part:
((12+(12-6))/2)*24-12
((12+6)/2)*12
18/2*12
9*12 = 108
Total:
108+144 = 252
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Answer:
2(n+2x-6)
Step-by-step explanation:
n x 2+4x-4-8
