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Bumek [7]
3 years ago
8

Someone plzzz help this is due in 3 hours !!!

Mathematics
1 answer:
deff fn [24]3 years ago
5 0

Answer:

hmmmmm

Step-by-step explanation:

yh about that, id just give up

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D=-0.5t + 7<br>I REALLY NEED HELP ASAP I WILL MARK BRAINLIEST TYTY​
serg [7]

Answer:

7.5t

Step-by-step explanation:

6 0
2 years ago
Sarah’s mom got her a Math tutor because she scored a 65 on her first math test. After getting some extra help, she scored a 69
irina1246 [14]

Answer:

The eight test

Step-by-step explanation:

The sequence is

65, 69, 73, 77, 81, 85, 89, 93

3 0
2 years ago
The highest recorded temperature during the month of July for a given year in Death Valley, California has an approximately norm
S_A_V [24]

Answer:

P(X

And we can find this probability using excel or the normal standard tabe and we got:

P(z

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 temperatures of a population, and for this case we know the distribution for X is given by:

X \sim N(123.8,3.1)  

Where \mu=123.8 and \sigma=3.1

We are interested on this probability

P(X

And the best way to solve this problem is using the normal standard distribution and the z score given by:

z=\frac{x-\mu}{\sigma}

If we apply this formula to our probability we got this:

P(X

And we can find this probability using excel or the normal standard tabe and we got:

P(z

6 0
3 years ago
What is the answer to 3 1/3=5a please show work
marshall27 [118]
it is 3 divided by 31 then subtract 31 with 30 which will give you 10R1

7 0
3 years ago
Your Grandma got sick and was admitted to the hospital. She was put on a liquid diet. After examining her chart, a mistake was f
Sonbull [250]

Answer:

b

Step-by-step explanation:

7 0
3 years ago
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