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3 years ago

Please answer all the questions. They are pretty easy!

Mathematics

2 answers:

tatuchka [14]3 years ago

7 0

Answer:

31. A

32.A

33.B

34.C

just olya [345]3 years ago

4 0

Answer:

31. A

32.A

33.B

34.C

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What is the diameter of 4.2cm

Natali [406]

Answer:

Presuming the 4.2 cm is the radius the diameter would be 8.4 cm

Step-by-step explanation:

Radius is half the diameter

So it would be 4.2 X 2 for the diameter

Correct me if I'm wrong

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3 years ago

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Pls look at the picture for the question.

Lilit [14]

Answer:

Step-by-step explanation:

each tick mark is worth 5

there is the -10, then one to the right is -5, next is 0, next is 5, next one (the one where the x is) 10, next 15, next 20.

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2 years ago

In a sample of n = 6 scores, the smallest score is X = 3, the largest score is X = 10, and the mean is M = 6. If the largest sco

Murrr4er [49]

Answer:

Step-by-step explanation:

Given that in a sample of n = 6 scores, the smallest score is X = 3, the largest score is X = 10

Mean = 6

Since mean = 6 we get sum of all the 6 scores = $6(6) = 36$

Now II part says 10 is changed to 20

i.e. original sum = 36

Changed value = 10

Adjusted value =26

Add: new value =22

New sum =48

So we have sum = 48

New mean= $\frac{48}{6} =8$

(This can also be done using the formula

old mean + positive change in one score/6)

5 0

3 years ago

HELP ASAP (show work please)

adelina 88 [10]

180= x+24+6x+18+2x+30
180= 9x+72
108=9x
X=12

8 0

3 years ago

jordan got 27 out of 90 correct in his test. what fraction of the marks did he get wrong ? give your answer in the simplest form

Alenkinab [10]

Answer:

63/90

Step-by-step explanation:

just subtract 27 from 90 and you will get 63 so jordan got 63 questions wrong out of 90 which means 63/90.

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3 years ago

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