mdaniella522
01.02.2021 •
Mathematics
What is 1/9 as whole number
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Ответ:
0.11111111111
Step-by-step explanation:
Ответ:
a2=b2 + c2 - 2cosx
let a = 7, b = 8 and c = 10
7^2 = 8^2 + 10^2 - 2(8)(10)cosx
cosx = 23/32 or 0.72
x = 44.05 degrees
the answer is letter C