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ioda
3 years ago
15

7. Which number's underlined digit is worth 9? 6,941 324 3,339 I 6,347

Mathematics
2 answers:
Luda [366]3 years ago
5 0
C because the digit is on the ones with represents 9.
So it is worth 9
podryga [215]3 years ago
3 0
C because 9 in the 3rd place is 9
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f(x) =  sqrt [( x - 3) / (x - 5)]

well x cannot be 5  because  that would make  x - 5 = 0.

Also the fraction x - 3 / x - 5 cannot be negative because theres no real square root of a negative.

So  x must be <= 3 or  > 5

In interval notation the domain is ( -∞,3] or (5 , ∞)

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Answer:

A) what did the student do wrong, explain why they are incorrect  

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The masses have a total margin of 0.5 kg, or ±0.25 kg.

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