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Alenkasestr [34]
3 years ago
7

The next train will arrive in 32 minutes and 30 seconds.

Mathematics
2 answers:
katen-ka-za [31]3 years ago
7 0

The correct answer is 1950 seconds. This can be found by converting 32 min into sec (1920), and then adding the 30 sec to it.

3241004551 [841]3 years ago
6 0

Answer:

<h2>następ nypocąigpzrydzie za  6 numti5</h2>

Step-by-step explanation:

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The number of violent crimes committed in a day possesses a distribution with a mean of 2.2 crimes per day and a standard deviat
VARVARA [1.3K]

Answer:

\bar X \sim N(\mu, \frac{\sigma}{\sqrt{n}})

And replacing we got:

\mu_{\bar X}= 2.2

\sigma_{\bar X}= \frac{6}{\sqrt{100}}= 0.6

Step-by-step explanation:

For this case we have the following info given:

\mu = 2.2 represent the mean

\sigma = 6 represent the deviation

We select a sample size of n=100. This sample is >30 so then we can use the central limit theorem. And we want to find the distribution for the sample mean and we know that the distribution is given by:

\bar X \sim N(\mu, \frac{\sigma}{\sqrt{n}})

And replacing we got:

\mu_{\bar X}= 2.2

\sigma_{\bar X}= \frac{6}{\sqrt{100}}= 0.6

6 0
3 years ago
PLEASE SHOW FULL SOLUTIONS!!! WILL MARK BRAINLIEST FOR BEST ANSWER!!
Lubov Fominskaja [6]

Answer:

  • The first option: $265.05

Step-by-step explanation:

<h3>Option 1</h3>

<u>Payment as sequence:</u>

  • 11.75, 12.10, 12.45, ...

<u>This is an AP with:</u>

  • The first term a = 11.75
  • Common difference d = 0.35
  • Number of terms n = 18

<u>Find the sum of the first 18 terms:</u>

  • S₁₈ = (a + a₁₈)*18/2 = (a + a + 17d)*9 = (11.75*2 + 17*0.35)*9  = $265.05
<h3>Option 2</h3>

Flat rate $14.50 per hour

<u>The sum is:</u>

  • $14.50*18 = $261.00

<u>Compared, we see the first option pays more:</u>

  • $265.05 > $261.00
5 0
2 years ago
Suppose you deposit 2500 in a savings account that pays you 5% interest per year A. How many years will it take for you to doubl
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Answer: I don’t get it

Step-by-step explanation:

8,000 or 08,080?

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Determine the area of the figure shown​
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Answer:

I can't see the figure.

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I need a picture so I can under stand this problem
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