Answer:
First one should be 309 second one should be 624 I may be wrong though since I haven't done volume in years
Step-by-step explanation:
:)
Answer:
Fraction=1/5=0.2
Step-by-step explanation:
If the student is 4m away from the school bell and moves 20m away, it means that he is 5 times more distant from the school bell and therefore should listen 5 times less, that is, 1/5 of the original sound.
Note: this as long as the initial environment conditions of 4m are the same at 20m
7-5.5=1.5
so each drop leaf is 1.5
2×1.5=3
so 7 when both drop leafs are up
7-3=4
There's your answer
I'm not sure if this is right but
Answer:Yes
Step-by-step explanation:A=16 B=30 C=34
16*16= 256 30*30=900 34*34=1156
256+900=1156