Answer:
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Step-by-step explanation:
Answer:
10 pencils for $4.00 is better.
Step-by-step explanation:
If you divide 4.00 by 10 you'll find that each pencil is worth 40 cents. When you divide 2.70 by 6 then each pencil is worth 45 cents paying more for each pencil than the other deal.
17mm is the answer.
To solve this:
1.) Find the radius of the entire pencil.
The radius of the graphite is .75 (half the diameter) and the thickness of the wood is 2, so 2 plus .75 gives you a total radius of 2.75.
2.) Using this radius, find the circumference of the entire pencil using the equation C = 2 • pi • r.
C = 2 • pi • r
C = 2 • 3.14 • 2.75
C = 17.27 (17 is the answer after rounding to the nearest millimeter)
The whole part will be the 4. The fraction part will be the decimal. That converts to the fraction 25/40. Therefore, 4.625 as a mixed number is 4 and 25/40.