It would be 340%. First, you need to find out what the fraction is for 2/5. 2/5 as a decimal would be .4. Next you put that back with the three which is 3.4. After that, you need to turn that into a percentage by multiplying it by 100 which then equals 340. add the % to it and that gives you 340%.
5/7=110/154 so the answer is 154
The sum of the bottom interior angles is equal to the sum of the given exterior angles at the apex. (Both sums differ from 180° by the size of the interior apex angle.)
The angle labeled x is 51°.
Answer:
v is the wave speed in metres per second, m/s. f is the frequency in hertz, Hz. λ (lambda) is the wavelength in metres