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The difference between half a number and 19

Mathematics

1 answer:

Alla [95]3 years ago

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Answer:

Step-by-step explanation:

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hillary is cycling across montana taking a 845 mile course . the first week she covered.320 miles. the second week she traveled

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Answer:

175 miles

Step-by-step explanation:

Hillary has travelled

320 + 350 = 670 miles

in the first two weeks.

Therefore, Hillary starts with 670 miles and needs to add a certain number of miles "x" to get 845 in total.

670 + x = 845

And if we subtract 670 from both sides:

x = 845 - 670 = 175

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Answer:

Step-by-step explanation:

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Given:

Let the random variable x is normally distributed with mean $\mu=90$ and $\sigma=5$

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Probability of $P(X$ :

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