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Alinara [238K]
4 years ago
12

Your cellphone plan gives you 500 minutes monthly. If you have used 310 minutes already and there is a week left this month, how

should you use your minutes this last week? How many minutes could you use each day if you split the remaining minutes amongst the days?
Mathematics
2 answers:
Ivanshal [37]4 years ago
8 0
Minutes left is 500 - 310 = 190 minutes

There are 7 days in a week

We can divide the minutes left by the days left = 190 ÷ 7 = 27.14 minutes per day rounded to 27 minutes

OR

We can check if there are days during the week we'd need to use the minutes more than the other days. 

Nitella [24]4 years ago
7 0
In this case, you already used 310 minutes out of 500 minutes monthly. So the remaining time for your cell phone should be: 500 minutes -310 minutes= 190 minutes.
You still have 1 week this month, that means the 190 mins time must be divided into 1 week or 7 days. Then the duration you of cell phone use for each day should be: 190 minute/7days= 27.14 minutes/day
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Answer:

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Step-by-step explanation:

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In this exercise,

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Step-by-step explanation:

1.solution

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2.solution

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6 0
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<u>Step-by-step explanation:</u>

Here we have , A manufacturer of bolts has a​ quality-control policy that requires it to destroy any bolts that are more than 2 standard deviations from the mean. The​ quality-control engineer knows that the bolts coming off the assembly line have mean length of 13 cm with a standard deviation of 0.10 cm. We need to find For what lengths will a bolt be​ destroyed .Let's find out:

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