2 years ago

Write the sum of MC and CD in Hindu Arabic

Mathematics

1 answer:

Arada [10]2 years ago

3 0

Answer:

CD = 400. CD = − C (100) + D (500) = 400. 1 = I 5 = V 10 = X 100 = C 500 = D 1,000 = M.

MC is writen as 1100 in Arabic numerals.

Step-by-step explanation:

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Boeing currently produces five models of airplanes for commercial sale. The airline that Lauren works for is rapidly expanding a

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Answer:

The number of combinations will she have to analyze is 10.

Step-by-step explanation:

We know that Boeing currently produces five models of airplanes for commercial sale. The airline that Lauren works for is rapidly expanding and would like to purchase three airplanes of different models to service various routes. We calculate the number of combinations will she have to analyze.

$C^5_3=\frac{5!}{3!(5-3)!}=\frac{5\cdot 4\cdot 3!}{3!\cdot 2\cdot 1}=10$