OK. I used my calculator to evaluate sec(85 degrees).
My calculator doesn't have a "sec" button on it.
But I remembered that
sec of an angle = 1 / (cosine of the same angle) .
So I used my calculator to find cos(85), and then I hit the
" 1/x " key, and got 11.474, which I knew to be sec(85).
Answer:
15 1/2 or 15.5
Step-by-step explanation:
the median is just the numer in the middle (numerical order) so, because you end up with both 15 and 16, the rational number between them is 15.5
Answer:
20 i think
Step-by-step explanation:
Answer:
Option (2) is correct.
Step-by-step explanation:
Given expression 
We have to find an equivalence value to the expression.
<u> Radical rule</u>,
Also,
Consider the given expression,
Applying radical rule to 
Thus, the expression becomes,
Thus, option (2) is correct.
Answer:
6.2 percent
Step-by-step explanation:
47.81 - 45 = 2.81
2.81/45
