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Sveta_85 [38]
2 years ago
10

ABCDEF - QRSTUV. Find the length of ST.

Mathematics
1 answer:
labwork [276]2 years ago
6 0

Answer:

Option (1)

Step-by-step explanation:

It's given in the question, ABCDEF ~ QRSTUV,

Their corresponding sides will be proportional.

\frac{AB}{QR}= \frac{BC}{RS}= \frac{CD}{ST}= \frac{DE}{TU}= \frac{EF}{UV}

Now we choose \frac{DE}{TU}=\frac{CD}{ST}

From the figure attached,

\frac{6}{2.4}=\frac{5.4}{ST}

ST = \frac{5.4\times 2.4}{6}

ST = 2.16

Therefore, Option (1) is the correct option.

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Answer:

the company should make 2307 muffins before the Average cost reaches $0.25/muffin

Step-by-step explanation:

the total cost of making the muffins is

Total cost = fixed cost + variable cost = $300 + $0.12 / muffin *Q

where Q = number of muffins

the average cost is

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then for Average cost=  $0.25/muffin

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Q = $300 / ( $0.25/muffin- $0.12 / muffin ) = 2307.69 muffins ≈ 2307 muffins ( we are rounding down since we want to find the number before the cost goes below 0.25)

then the company should make 2307 muffins before the Average cost reaches $0.25/muffin

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