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ioda
3 years ago
7

Simplification ans of this questionn pleaseeeeee

Mathematics
1 answer:
nexus9112 [7]3 years ago
3 0
The simplification of this equation is 7x/12y
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A quality control engineer is testing the battery life of a new smartphone. The company is advertising that the
DIA [1.3K]

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 ;

H1 : μ < 24

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2 years ago
If invisible braces cost $500 more than metal braces. Metal braces cost $4,800. How much do invisible braces cost?
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Invisible braces would cost 5300. I think that’s it. Hope that helped
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3 years ago
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jim drove 168 miles in 4 hours. if he keep the same pace, how long will if take him to drive 504 miles
pentagon [3]
You would first put 168 over 4 and simplify to get 42 over 1. Then you would divide 504 by 42 to get 12. You would have to drive 12 hours to get 504 miles.
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The ____ were very similar on the Galapagos and Ecuador
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Answer: I think it’s the plants.

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Solve for x in the equation x2 + 4x-4-8.
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Step-by-step explanation:

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