The number of grains on the Nth square Is 2^(N-1). There are 512 grains on the 10th square alone, and 1,023 of them on all 10 squares together.
It’s the sensation produced by stimulation of the organs of hearing by vibrations transmitted through the air or other medium. ... the particular auditory effect produced by a given cause: the sound of music. any auditory effect; any audible vibrational disturbance: all kinds of sounds.
Answer:
20
Step-by-step explanation:
(90+70)-(80+60)=20
just minus the total selling price to the total cost price
Since angles EFA, AFB, and BFC lie on a straight line, then they must add up to 180° (angle sum of a straight line)
So, 7x + 4 + 8x + 6 + 6x + 2 = 180
21x + 12 = 180
21x = 168
x = 8
Answer: C
Step-by-step explanation:
