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3 years ago

If a cruise ship was going 24 mph and traveled 15 miles, how long did it take it to get to it's destination?

Mathematics

1 answer:

SVEN [57.7K]3 years ago

4 0

Answer:

37.5

Step-by-step explanation:

so 24 miles per hour

15 miles

15/24

= 0.625 hours

60 x 0.625 = 37.5

It took 37 and 1/2 minutes

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Intravenous fluid bags are filled by an automated filling machine. Assume that the fill volumes of the bags are independent, nor

iren2701 [21]

Answer:

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

$X \sim N(\mu,0.08)$

Where $\mu$ and $\sigma=0.08$

Since the distribution for X is normal then the we know that the distribution for the sample mean $\bar X$ is given by:

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

And the standard error is given by:

$SE= \frac{0.08}{\sqrt{24}}= 0.0163$

Step-by-step explanation:

Previous concepts

Normal distribution, is a "probability distribution that is symmetric about the mean, showing that data near the mean are more frequent in occurrence than data far from the mean".

The Z-score is "a numerical measurement used in statistics of a value's relationship to the mean (average) of a group of values, measured in terms of standard deviations from the mean".

Solution to the problem

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

$X \sim N(\mu,0.08)$

Where $\mu$ and $\sigma=0.08$

Since the distribution for X is normal then the we know that the distribution for the sample mean $\bar X$ is given by:

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

And the standard error is given by:

$SE= \frac{0.08}{\sqrt{24}}= 0.0163$

8 0

3 years ago

What is the value of the function y=3x−1 when x=−1 ? −8 −4 2 6

Paraphin [41]

Substitute x for -1 in y=3x-1
y = (3) (-1) -1
Solve
y = (3) (-1) -1
y = -3 - 1
y = -4

B.) -4 is your answer

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3 years ago

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geniusboy [140]

0.59 increase because it went up

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2 years ago

Please help its due in tommorow btw You get brainliest

BlackZzzverrR [31]

So if the total is $8.75, and 1 torch costs $7.66, and you bought 1 torch and two batteries, you would have to subtract 8.75 - 7.66 which is 1.09, and then divide that in half to get the price per battery.
Final answer = 1 Battery = $0.54

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3 years ago

2 percent of the students at Hamilton Middle School have red hair. There are 400 students at Hamilton Middle School. How many st

klio [65]

Answer: There are 8 students at Hamilton Middle School with red hair.

Step-by-step explanation:

Given: The proportion of the students at Hamilton Middle School have red hair = 2% = 0.02

Total students in Hamilton Middle School = 400

Then , the number of students have red hair = (proportion of the students have red hair ) x (Total students )

= (0.02) x (400)

= 8

Hence, there are 8 students at Hamilton Middle School with red hair.

7 0

3 years ago

Read 2 more answers