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daytonaspicola
25.08.2021 •
Mathematics
What is the area of ΔABC given m∠B = 95°, a = 22 feet, and c = 17 feet?
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Ответ:
Given expression: 34 (1440) + 295.25 + (-33.50).
Multiplying 34 and 1440 first, we get
34 × 1440 = 48960.
Now, writing value of 34 (1440) in original expression, we get
48960 + 295.25 + (-33.50).
We have minus sign in front of 33.50 and plus sign in front of parenthesis.
Plus sign multiply by minus sign gives a minus sign.
So, + (-33.50) would become just -33.50.
Therefore, 48960 + 295.25 + (-33.50) = 48960 + 295.25 -33.50.
Adding 48960 + 295.25, we get 49255.25
Now, subtracting 33.50 from 49255.25, we get
49255.25 - 33.50 = 49221.75.
So, final answer is 49221.75 .