Answer:
The answer is D.
Step-by-step explanation:
simplify the expression by multiplying
calculate the product
express with a positive exponent using
A bird leaves its nest and travels 12 miles per hour downwind for x hours. On the return trip, the bird travels 2 miles per hour
2 answers:
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Answer:
Step-by-step explanation:
To solve this problem we need to be familiar with the formula for the surface area of a cone:
We are given the length of a side and the diameter, to calculate the radius divide the diameter in half:
To calculate the height of the cone, we must use the Pythagorean Theorem:
We can treat the side length as the hypotenuse , the radius as the base
, and solve for height
. Set the expression up like this:
Now we can plug into our original formula: