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3 years ago

What percentage of 2 hours is 30 minutes

Mathematics

2 answers:

Elden [556K]3 years ago

6 0

25percent.
30 div by 120 is 25

Sedaia [141]3 years ago

5 0

Answer:

40%

Step-by-step explanation:

It's 40% because there's 4 half hours in two hours. I don't know if that makes sense but i hope it helps!

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which of the following is a lab hazard A. laser radiation hazard B. animal hazard C. Explosive hazard D. chemical

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Answer:

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Step-by-step explanation:

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4. A statistician working for the National Basketball Association supplies the television announcers with interesting statistics

Sonbull [250]

Answer: 0.038

Step-by-step explanation:

Given: Total games : n= 375

Number of games won by the team that was winning the game at the end of the third quarter. = 300

The proportion (p) of the team that was winning the game at the end of the third quarter: $p=\dfrac{300}{375}=0.8$

Critical z-value for 90% confidence: z* = 1.645

Margin of error = $z^*\sqrt{\dfrac{(1-p)p}{n}}$

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Hence, the required margin of error = 0.038

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3 years ago

While reviewing his budget, Andre calculated his variable and total expenses for last month: variable expenses: $2,863.09 total

Elenna [48]

Answer:

Fixed expenses = 1767.07

Step-by-step explanation:

Andre calculated his variable and total expenses for last month.

His variable expenses is $2,863.09

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Now, Total expenses = Variable expenses + Fixed expenses

So, Fixed expenses = Total expenses - Variable expenses

⇒ F = T - V

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⇒ F = 1767.07

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Step-by-step explanation:

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