Answer:
View the explanation
Step-by-step explanation:
The sine of an angle is equal to the cosine of that angle minus 90 degrees, and vice versa. Since 65=90-25, the cosine of 25 is equal to the sin of 65. If this is unclear please PM me or comment, and I can help more!
Its just a matter of subbing in ur answer choices to see what makes the equation true....the 1st one can already be eliminated because width has to be greater then or equal to 10.
when subbed in, only one works :
L = 20, W = 10
It will take 526.8817.... seconds for the light to reach the planet.
Apply the radical rule to separate terms:
Cubicroot(-27) and cubic root(n^27)
Cubicroot(-27) = -3
Now you have -3 cubicroot(n^27)
Using the exponent rule
N^27 can be rewritten as (n^9)^3
Now you have -3 cubicroot((n^9)^3)
The cubic root and the 3rd power cancel out to get the final answer of
-3n^9
I think it’s 90 just add them up the subtract 180
