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3 years ago

Pete ate 3/7 of a pizza if Pete ate 9 slides of the pizza how many slices were ther all together

Mathematics

2 answers:

Vinil7 [7]3 years ago

7 0

Answer:

Hi there!!

Your answer is:

<u>21 slices</u>

Step-by-step explanation:

3/7ths = 9 slices

× 7/3

1 whole pizza = 21 slices

This is called the multiplicative inverse! 3/7 × 7/3 = 1

Hope this helps!

zimovet [89]3 years ago

4 0

Answer:

21 slices

Step-by-step explanation:

given:

3/7 of a pizza ----> represents 9 slices

hence,

1/7 of a pizza -------> represents 9/3 = 3 slices

therefore

a whole pizza

= 7/7 of a pizza -------> represents 3 x 7 = 21 slices

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Answer:

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Step-by-step explanation:

Data provided in the question:

Standard deviation, s = 5.5 ounce

Confidence level = 99%

Length of confidence interval = 2 ounces

Therefore,

margin of error, E = (Length of confidence interval ) ÷ 2

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Now,

E = $\frac{zs}{\sqrt n}$

here,

z = 2.58 for 99% confidence interval

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thus,

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n = (2.58 × 5.5)²

n = 201.3561 ≈ 201

Hence,

option (c) n = 201

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stealth61 [152]

Answer:

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