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Advocard [28]
3 years ago
10

What is an example of when you might need to use decimals and other rational numbers in everyday life?

Mathematics
1 answer:
nignag [31]3 years ago
5 0
Well, in the store, when you buy something, there are decimals, also, speed limit for your car, and time, but that is not an exact thing for this question, because 60 can't be a decimal. you cant make it so you can show 60 seconds as a decimal without an irrational number. sometimes, the number just goes on forever.
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3 years ago
Times for a surgical procedure are normally distributed. There are two methods. Method A has a mean of 33 minutes and a standard
lilavasa [31]

Answer:

Method A.

Step-by-step explanation:

For solving this question we need to find out the z-scores for both methods,

Since, the z-score formula is,

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

Where, \mu is mean,

\sigma is standard deviation,

Given,

For method A,

\mu = 33

\sigma=8

Thus, the z score for 34 is,

z_1=\frac{34-33}{8}=0.125

While, for method B,

\mu = 37

\sigma = 4

Thus, the z score for 34 is,

z_2=\frac{34-37}{4}=-0.75,

Since, z_1 > z_2

Hence, method A is preferred if the procedure must be completed within 34 minutes.

8 0
3 years ago
Whats one plus 1 and 2 plus 2 and 3 plus 3 times 0 plus 24 times 8
ahrayia [7]
The answer is 197.

1 and 2 = 3
3+2=5
3+3=6
6x0=0
24x8=192
5+0=5
192+5=197
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2 years ago
PLEASE SOMEONE HELP ME. I WILL BRAINLIEST YOU AND GIVE YOU POINTS.
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its b looooooooook  hgshk djcsgIUGUF

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