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Morgarella [4.7K]

3 years ago

6

Jackson weighed 6 pounds 3 ounces when he was born. When he was 4 weeks old, he weighed 128 ounces. How much weight did jacskon

gain in those 4 weeks?

1 answer:

pav-90 [236]3 years ago

5 0

1 pound = 16 ounces
16×6=?

128- ?+3

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3 years ago

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raketka [301]

Answer:

a) Unit price :

12 cupcakes for $29 = $2.42

50 cupcakes for $129 = $2.58

Reasoning:

12 cupcakes for $29 = $29 ÷ 12 cupcakes which gives 2.416666667 and if rounded off gives you $2.42.
50 cupcakes for $129 = $2.58 accurately.

b) 12 cupcakes for $29 gives the lowest unit price as $2.42 is less than $2.58.

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3 years ago

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irina1246 [14]

Answer:

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3 years ago

A production process fills containers by weight. Weights of containers are approximately normally distributed. Historically, the

forsale [732]

Answer:

option (c) n = 201

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

= 2 ÷ 2

= 1 ounce

Now,

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

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n = sample size

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3 years ago

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3 years ago