Answer:
It would be a
Step-by-step explanation:
the difference is 4/8 but simplified it is 1/2
Answer:
An echo is formed as a result of reflection of the original sound which returns to the listener. You might have experienced Echo in an EMPTY ROOM but no echo is produced after the room is occupied. To avoid echo from being produced the echo has to be absorbed. Echo in a cinema theatre is absorbed by the WALLS of the theatre.
They are not plain. The walls are corrugated or shaped to form tiny holes or empty spaces to ABSORB the ECHO. Modern Theatre's have ABSORBENT materials sticked to the walls of the theatre.
He wrote identity instead of commutative in step 4
number of games is 90, so cost is
<span>90×46=4140</span>
The diameter is 49
you take 153.86 and divide it by 3.14