Answer:
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Step-by-step explanation:
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<h3>
Answer: 3/6 = 1/2</h3>
Explanation:
Check out the diagram below. We have 3 pizza slices shaded out of 6 total to represent 3/6 of the entire thing. This is also 1/2 of the entire thing.
This is one visual way to see how 3/6 = 1/2.
You can multiply top and bottom of 1/2 to get 1*3 = 3 up top and 2*3 = 6 down below.
2/10 is the same at 20/100 (because you times both top and bottom by 10)
20/100 + 4/100 = 24/100
This could be simplified to 12/50 or 6/25.
Hope this helps :)
Answer:
17000 batteries
Step-by-step explanation:
Three years and one month is equivalent to the mean minus one standard deviation.
Three years and seven months is equivalent to the mean plus one standard deviation.
For a normal distribution, we know that 68% of population is between mean ± 1 sd, then can be expected that 25000*68% = 17000 of batteries last between three years and one month and three years and seven months
