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yarga [219]
2 years ago
15

The life of a Goldline auto battery is normally distributed with a mean of 42.5 months and a standard deviation

Mathematics
1 answer:
S_A_V [24]2 years ago
6 0

Step-by-step explanation:

vghvh h ubv. bng. gb vbbh

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Erika worked 18 hours last week and 20 hours this week. If she earns $6 per hour, how much did she earn these two weeks?
Crank
Hi!

If she worked 18 hours last week and 20 hours this week, then she worked 38 hours in total, because 18 + 20 = 38.

If she earns $6 per hour, and she worked for 38 hours, then she got 38 sets of 6, which you can find the answer to by multiplying 38 and 6.

This is essentially 6 + 6 + 6 +...

38 * 6 = $228

So she earned $228 these two weeks.

Hope this helped!
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In a histogram, are the lengths of the rectangles proportional to the width of the bars?​
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In different scenarios, the data will be different. However, sometimes, it's impossible to draw a histogram with equal widths, so in order to maintain clarity and fairness, the area of the bars should actually be proportional to the frequency, which is usually the y-axis of the graph or height of the bars.

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