Paige has to make invitation cards for a party. If she can make 18 cards in 2 days, how many cards can she make in 30 days?
1 answer:
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Answer:
x ≈ 23.31
Step-by-step explanation:
We can use the law of cosines because we know 2 sides and 1 angle.
The general formula for the law of cosines if the triangle sides are a, b,c and α is the angle between sides a and b. c is the missing side.
In our problem the law of cosines is
x =
x ≈ 23.31