Write each power as a product of the same factor. Then find the value. 7^2
1 answer:
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Answer:
A. 5.19 units
Step-by-step explanation:
Given:
= 81°
- Arc length = 7.34 units
Substituting given values into the equation and solving for r:
Answer:
2 13/14 feet
Step-by-step explanation:
The remaining length is the difference between the starting length and the amount cut off:
5 3/7 - 2 1/2 = (5 -2) +(3/7 -1/2) = 3 +((3·2-7·1)/(7·2)) = 3 -1/14
= 2 13/14 . . . feet remaining
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<em>Additional comment</em>
Addition and subtraction of fractions can be accomplished using a formula that does not rely on finding a least common denominator. In this case, the denominators have no common factors, so their product is, in fact, the least common denominator.