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Mumz [18]
3 years ago
5

Find the difference 7/9 - 5/13 in lowest term

Mathematics
2 answers:
Lisa [10]3 years ago
4 0

Answer:

46/117

Step-by-step explanation:

this is a type of fraction which can not be simplified

Hoochie [10]3 years ago
3 0

Answer:

46/117

Step-by-step explanation:

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A researcher for an airline interviews all of the passengers on five randomly selected flights.
antoniya [11.8K]

Answer

Cluster sampling. See explanation below.

Step-by-step explanation:

For this case they not use random sampling since we are selecting people from flights. Because we select just 5 random flights.

Is not stratified sampling since we don't have strata clearly defined on this case, and other important thing is that in order to apply this method we need homogeneous strata groups and that's not satisfied on this case.

Is not convenience sampling because they NOT use a non probability method in order to select the people from the flights.

So then the only possible method is cluster sampling since we have clusters clearly defined (Passengers from the airlines), and we satisfy the condition of homogeneous characteristics on the clusters and an equal chance of being a part of the sample, since we are selecting RANDOMLY, the 5 flights to take the information.

6 0
3 years ago
Please answer number 6
kondor19780726 [428]

Answer:

its D

Step-by-step explanation:

7 0
3 years ago
a rectangular pyramid has a volume of 560 cubic meters. the base has a length of 16 meters and a width of 10 meters. what is the
ollegr [7]
The awnser is a...........
5 0
3 years ago
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HELP TIMED 20 MIN LEFT BRAIBLIST
Anna71 [15]

Answer:

C

Step-by-step explanation:

7 0
3 years ago
Rani delivers bills to letterboxes and is paid $28 per thousand
yan [13]

Answer:

a) $70

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Step-by-step explanation:

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b) 28*4=112. it could be 3.57143, but no one wants part of an item

c) 28/6=4.66667

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3 years ago
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