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Zielflug [23.3K]
3 years ago
5

Add 4 2/8 and 9 4/8 thank you

Mathematics
2 answers:
blondinia [14]3 years ago
5 0

Answer:

13 3/4

Step-by-step explanation:

4 + 9 = 13

2 + 4 = 6

6/8 simplified is 3/4

Gnesinka [82]3 years ago
3 0

Answer:

13.75

Step-by-step explanation:

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The question requires stating the Null and Alternative hypothesis for the scenario described :

Answer:

H0 : μ = 24

H1 : μ < 24

Step-by-step explanation:

The claim or hypothesis to be tested in a statistical problem or analysis is the alternative hypothesis. This is usually the opposite of the Null hypothesis which is the usually the initial truth until there is significant evidence provided using statistical test to prove otherwise.

The null hypothesis, H0 in the scenario above is :

H0 : μ = 24 ( average battery life is 24 hours)

The alternative hypothesis is the claim, that is. The mean battery life not up to 24 hours ;

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4 0
2 years ago
___H2 + ___Br2 → ___HBr
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Answer:H2+Br2-->2HBr

Step-by-step explanation:

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This means you must have the same amount on the right.

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3 years ago
An advertiser that uses ad scheduling has a custom bid adjustment for 9pm- 12am on weeknights. The normal bid is USD$0.40 and th
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Answer:

The answer is option D: the advertiser is bidding $0.70 between 9 pm-12 am on weeknights.

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So, the advertiser is bidding $0.70 between 9 pm-12 am on weeknights.

6 0
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I REALLY NEED HELP FAST I WILL GIVE BRAINLYEST
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