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Scorpion4ik [409]
3 years ago
9

Find the perimeter of the triangle

Mathematics
1 answer:
fredd [130]3 years ago
6 0

Step-by-step explanation:

Ja, es ist passiert, dass mein Lehrer auch dasselbe macht und alle Schüler langweilen

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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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3 years ago
Rodrigo surveyed some students at his school about their favorite professional sports,
Lunna [17]
The answer is 1 in 15
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Three classes at a junior high school raised money to buy new computers. Ms. Moore’s class raised $249.00. Ms. Aguilar raised $3
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Answer:

The final amount is $1109.81

Step-by-step explanation:

In order to find the total amount, start with the know amount, which is Ms. Moore's class. Her class raised $249. Now we can use that to find the amount from Ms. Aguilar's class.

$249 + $396.62 = $645.62

Now we can use the amount from Ms. Aguilar's class to find the amount from Ms. Barry's class

$645.62 - $430.43 = $215.19

Now we can add the three amounts together to find the total amount.

$249 + $645.62 + $215.19 = $1109.81

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3 years ago
Which expression is equivalent to 4(n + 5)?<br> 4n<br> 24n<br> 4n + 9<br> 4n + 20
Tasya [4]
The answer is : 4n+20
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3:5
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