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Ivanshal [37]
3 years ago
6

Lena needs $50 to buy some notebooks. She had saved $2 and plans to work as a babysitter to earn $8 per hour.

Mathematics
1 answer:
____ [38]3 years ago
8 0
<span>2 + 8n ≤ 50, so n ≤ 6 </span>
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1 million + 1 million​
natka813 [3]

Answer: 200,000,000 or 2 million

Step-by-step explanation:

7 0
2 years ago
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An athletics coach states that the distribution of player run times (in seconds) for a 100-meter dash is normally distributed wi
Elza [17]

Answer:

P(X

And we can find this probability using the normal standard distribution table and we got:

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And the percentage faster than 13.28 seconds would be 91.9%

Step-by-step explanation:

Let X the random variable that represent the runtimes of a population, and for this case we know the distribution for X is given by:

X \sim N(13,0.2)  

Where \mu=13 and \sigma=0.2

We want to find this probability:

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And we can use the z score formula given by:

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8 0
3 years ago
Suppose you are the president of the student government. You wish to conduct a survey to determine the student​ body's opinion r
patriot [66]

The best way to five students from a list of 626 students available such that it exhibits a random process is to List each name on a separate piece of paper; place them all in a hat, and pick five.

The selection process which should be undertaken by the student government, should be one which is inclusive and representative. Hence, the five students to be selected which makes up the sample of the total student should be chosen at random and transparently.

Hence, listing the names of each student on a Seperate piece of paper, placing it in a hat and making 5 selections showcase randomness and transparency, hence, it should be the adopted selection process.

Learn more : brainly.com/question/12719645?referrer=searchResults

5 0
3 years ago
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shepuryov [24]

Answer:

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2 years ago
Which point on the number line represents the quotient 12 divided by -2
Afina-wow [57]
Point C is the answer I believe
6 0
2 years ago
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