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lions [1.4K]
3 years ago
8

At city community college, every freshman must take English 101. The English department wants to know whether students who take

this class and their second semester get better grades than students who take the class in the first semester which principle of experimental design can the English department best used to include a variety of students in both the first and second semester treatment groups of the study
Mathematics
1 answer:
vesna_86 [32]3 years ago
8 0

Answer: randomization

Step-by-step explanation: apex

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(4+5)-2 thxs for answering!!!!!!!!!!!!!!
Arisa [49]

Answer: 7

Step-by-step explanation:

(4+5)-2

You can either remove brackets and just do a little addition and subtraction.

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goblinko [34]
<span>the line over the 28 means the 28 repeats forever. 1.282828.... and so on let x be the rational number 1.28... we can use this trick: 100*1.282828....= 128.282828... (the decimal 28 part repeats) 100x = 128.28... next: 100x - x = 128.282828... - 1.282828... the .282828... part will be subtracted away 99x = 127 divide both sides by 99 to get x= 127/99</span>
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2 years ago
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Arisa [49]

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6 0
3 years ago
19) Write the scientific notation of 1
mylen [45]

Answer:

1.0 x 10^0

Step-by-step explanation:

The above works because 10^0 = 1, and 1 x 1 = 1.

Brainliest, please :)

7 0
1 year ago
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