Answer:
121
Step-by-step explanation:
A calculator can answer this for you.
_____
Following the steps of the <em>order of operations</em>, you evaluate inner parentheses first. The exponents are the first to be evaluated there.
11[6^2/(5^2-4^2)+7]
= 11[6^2/(25 -16)+7]
= 11[6^2/9 +7]
Then you do the exponent ...
= 11[36/9 +7]
Now you do the division ...
= 11[4 +7]
And finally, you can finish up the outer parentheses ...
= 11·11
= 121
Answer:
Distance between two cities is 193.94 miles.
Step-by-step explanation:
We have,
Madison and Wisconsin have latitudes 43.0731°N and 45.9172°N respectively.
Thus, their difference is 45.9172°N - 43.0731°N = 2.8441°
We assumed, the diameter of earth is 7917.5 miles.
So, the radius = = 3958.75 miles
So, using the cosine formula, we have,
i.e.
i.e.
i.e.
i.e. a= 193.94 miles.
Hence, the distance between two cities is 193.94 miles.
