7hours and 15 minutes + 1 hour and 45 minutes equals what

Note that 1 hour = 60 minutes

15 minutes + 45 minutes = 60 minutes, which equals 1 hour

7 hours + 1 hour + 1 hour = 9 hours

9 hours is your answer

hope this helps

c 1 hour

step-by-step explanation:

m = 2e

m = 2 so 2 = 2e

1 = e

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: