On average the number of electronic keyboards sold in New York each year is 75,072, which is eight times the average number of electronic keyboards sold each year in Alaska. How many electronic keyboards, on average, are sold each year in Alaska?

9,384 electronic keyboards.

Step-by-step explanation:

Question asked:

How many electronic keyboards, on average, are sold each year in Alaska?

Solution:

Let number of electronic keyboards, on average, are sold each year in Alaska =

Given:

The number of electronic keyboards sold in New York is eight times the average number of electronic keyboards sold each year in Alaska:-

On an average, keyboards sold in New York = 8 times that of Alaska

Therefore, 9,384 electronic keyboards, on average, are sold each year in Alaska.

according to the triangle sum theorem, all the angles in a triangle must add up to 180 degrees. if we know one angle is already 90, we do 180-90=90. the other 2 angles must add up to 90, exactly.

step-by-step explanation: