Least Common Denominator <span>(9/14 and 2/21)
</span><span>The least common denominator is equal to the least common multiple of the denominators: 14 and 21
</span>The multiples of 14 are: 14, 28,
42, 56, ...
The multiples of 21 are: 21,
42, 63,
...The least common multiple of 14 and 21, therefore, is
42, and the least common denominator of (9/14 and 2/21) is also
42<span>
Answer:
</span>
It doesn't matter how may guests you have. As long as cake price is lower, that is the cheapest to buy.
Therefore the cake cost for 13.50 is the cheapest one.
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Formula
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Sin θ = opp/hyp
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Apply formula to find ∠R
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sin (R) = 5/13
R = sin⁻¹(5/23)
R = 22.62° (nearest hundredth)
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Answer: Angle R is 22.62°
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