3 years ago

A crayon company sells a pack of wax crayons for 5$. There are 10 crayons in each pack. What is the unit price of the crayons

Mathematics

2 answers:

Alchen [17]3 years ago

5 0

10 crayons = $5

1 crayon = $5 ÷ 10 = $0.50

Answer: Unit Price = $0.50/crayon

Ede4ka [16]3 years ago

4 0

10 crayons = $5

5 ÷ 10 = 0.50

The unit price would be $0.50 per crayon.

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3 years ago

The exact value of cos5pi/12 is:

jonny [76]

Step 1: Convert $\frac{5\pi }{12}$ , which is in radians into degrees. To convert it multiply by $\frac{180}{\pi }$

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900/12

Step 2: 75 degrees isn't on the unit circle but 45 degrees and 30 degrees is. Since 45 + 30 = 75 you can use the cosine of 45 and 30 to find the exact value

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Step 3: Add the cos45 and cos30 to get cos5pi/12

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Hope this helped!

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