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gtnhenbr [62]
3 years ago
8

Will mark BRAINLIEST

Mathematics
1 answer:
Novosadov [1.4K]3 years ago
8 0

Answer:

the correct answer is A)

Step-by-step explanation:

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A set of data items is normally distributed with a mean of 240 and a standard deviation of 32. Convert 272 to a? z-score
dem82 [27]

Answer:

z-score = 1

Step-by-step explanation:

Given

Mean= μ=240

SD= σ=32

In order to find the z-score of a value, the mean is subtracted from the value and then divided by standard deviation.

The formula for z-score is:

z-score=(x-μ)/σ

Here x is the value whose z-score is to be found.

In the given question, x = 272

So,

z-score=(272-240)/32

=32/32

=1

So , the z-score for 272 is 1..

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3 years ago
How many factors does 144 have?<br> i need it fast pleaseeee
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<span>1,2,3,4,6,8,9,12,16,18,24,36,48,72,144,

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3 years ago
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Find the equation of the line passing through the points (5,21) and (-5,-29)
Assoli18 [71]

Answer:

Look below

Step-by-step explanation:

lets have -29 be y2 and -5 be x2

21 - (-)29

5 - (-)5

Subtracting a negative is just adding it so

21 + 29   50
5 + 5       10

50/10

this simplified, is 5/1 or 5

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now we need to find b, so we substitute  y and y

x = 5

y = 21

21=5*5=b

5*5 is 25

now we need to get to 21


25 -4 is 21

b = -4

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Do you have to show ur work?
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Quadrilateral ABCD has opposite sides that are parallel and side AB congruent to side DC. What classification can be given to AB
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One pair of opposite sides both parallel and congruent implies a parallelogram.
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