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3 years ago

What is the sum of the amount of pizzas eatenby classes who ate exactly 7⅝

Mathematics

1 answer:

pogonyaev3 years ago

8 0

Answer:

So, I don't quite have the answer, but I believe you just turn that into an improper fraction and divide it by 8 classes? Decimal Answer.

Step-by-step explanation:

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Read 2 more answers

A researcher is interested in estimating the mean weight of a semi trailer truck to determine the potential load capacity. She t

Kaylis [27]

Answer: 95% confidence interval = 20,000 ± 2.12 $\times$ $\frac{1500}{\sqrt{17} }$

( 19228.736 , 20771.263 ) OR ( 19229 , 20771 )

Step-by-step explanation:

Given :

Sample size(n) = 17

Sample mean = 20000

Sample standard deviation = 1,500

5% confidence

∴ $\frac{\alpha}{2}$ = 0.025

Degree of freedom ( $d_{f}$ ) = n-1 = 16

∵ Critical value at ( 0.025 , 16 ) = 2.12

∴ 95% confidence interval = mean ± $Z_{c}$ $\times$ $\frac{\sigma}{\sqrt{n} }$

Critical value at 95% confidence interval = 20,000 ± 2.12 $\times$ $\frac{1500}{\sqrt{17} }$

( 19228.736 , 20771.263 ) OR ( 19229 , 20771 )

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3 years ago

Brienne and 3 friends bought tickets to the movies. They spent a total of $27.00 on the tickets. Which equation represents this

Sindrei [870]

Hello!

The equation that represents this situation is A. 3t = 27.

Explanation:

This is because an equation is a "mathematical sentence" and this equation says that if you multiply the costs of the three friends' tickets, the total cost would be $27.

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3 years ago

If 9x = 63, then x = ___. (Only input whole number) Numerical Answers Expected! Answer for Blank 1:

lina2011 [118]

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3 years ago

What is the sum of the amount of pizzas eatenby classes who ate exactly 7⅝​

What is the sum of the amount of pizzas eatenby classes who ate exactly 7⅝