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3 years ago

PLEASE HELP! oooooo

Mathematics

2 answers:

Feliz [49]3 years ago

8 0

Answer:

The missing value is 41.

Step-by-step explanation:

If r= 3c+5 you plug in the 12, which is c, and the equation becomes r= 3x12+5. 3x12= 36, and 36+5= 41.

zloy xaker [14]3 years ago

4 0

Answer:

Step-by-step explanation:

because 1=3 so 12=41

hope that helped!

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2 years ago

Listed below are the durations (in hours) of a simple random sample of all flights of a space shuttle. Find the (a) mean, (b)

-Dominant- [34]

Answer:

Mean = 212.93

Median = 231

Mode = 231

Mid range = 192.5

(B) Yes, the time of 0 hours is very unusual. It could represent a flight that was aborted.

Step-by-step explanation:

We are given the following data set:

8, 92, 231, 189, 169, 267, 196, 381, 257, 231, 385, 330, 219, 239, 0

Formula:

$Mean = \displaystyle\frac{\text{Sum of all observations}}{\text{Total number of observation}}$

$Mean =\displaystyle\frac{3194}{15} = 212.93$

$Median:\\\text{If n is odd, then}\\\\Median = \displaystyle\frac{n+1}{2}th ~term \\\\\text{If n is even, then}\\\\Median = \displaystyle\frac{\frac{n}{2}th~term + (\frac{n}{2}+1)th~term}{2}$

Sorted data:

0, 8, 92, 169, 189, 196, 219, 231, 231, 239, 257, 267, 330, 381, 385

$\text{Median} = \dfrac{15 + 1}{2}^{th}\text{ term} = 8^{th}\text{ term} = 231$

Mode is the most frequent observation in the data.

Mode = 231

It repeated 2 times.

$\text{Mid range} = \dfrac{\text{Maximum value + Minimum value}}{2}\\\\= \dfrac{385 + 0}{2} = 192.5$

0 is an outlier to the given dataset. Thus,

Option (B) Yes, the time of 0 hours is very unusual. It could represent a flight that was aborted.

7 0

3 years ago

Will mark Brainliest please help!

nlexa [21]

Answer:

Option 3

The sum of half of a number and three-fourths is at most five and one quarter

Step-by-step explanation:

because " > " This sign indicates greater than or equal to.

Thus, Option 3 is correct

-TheUnknownScientist

8 0

3 years ago

Read 2 more answers

PLEASE HELP! oooooo​

PLEASE HELP! oooooo