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Leya [2.2K]
3 years ago
7

Does 27/180 equal 3/20

Mathematics
1 answer:
romanna [79]3 years ago
6 0

Answer:

yes

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
What is ? Please help me 1/6x3/1!!!
levacccp [35]

Answer:

1/2

Step-by-step explanation:

1/2

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3 years ago
I need help please hurry.
Anarel [89]

Answer:the answer is the first

Step-by-step explanation:

Because the expression can be written as -10r2/2r2+4+5r/2r2+4+3/2r2+4

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3 years ago
Juan builds a square dog pen that has an area of 100 square feet. He then builds a second pen that has an area of 49 square feet
EleoNora [17]

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51%

Step-by-step explanation:

Simple. 100-49=51

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-2(-4x-7)
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