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elena-s [515]
3 years ago
12

It’s number 9 I think it’s 5 or 15 IDK plz tell me the answer to A and B plz

Mathematics
1 answer:
Oduvanchick [21]3 years ago
8 0

Answer:

you have it right its 29 and 5

Step-by-step explanation:

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The average of 100 measurements is 23 and the average of 50 additional measurements is 27.
Elden [556K]
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100 * 23
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Total value of additional 50 measurements
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1350

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3650

Average of 150 measurements
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24.3

25 > 24.3

Answer is B
8 0
2 years ago
Which part of the expression is a factor 7(x+8)<br><br> A. 21<br> B.8<br> C. 3x<br> D. 7
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It is 7. None of the other ones fit at all
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Picking a red checker from a bag of 9 black and 6 red checkers,replacing it, and picking another red checker
yulyashka [42]

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2 years ago
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dmitriy555 [2]

Answer + explaination

p=2*(L+l)=46

L+l=46:2

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so 289+2l*L=529

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4 0
2 years ago
Pieces of Mail. The number of pieces of mail
Zina [86]

Answer:

20.8%

Step-by-step explanation:

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= 0.2075 × 100

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5 0
2 years ago
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