Asked by DEE
A balloon, with a final volume of 40 cm3, took 4 min to fill. At what rate was the balloon filled?
Choose exactly two answers that are correct.
A.
B.
40 cm3 = 4 min • r
C.
40 cm3 • r = 4 min
D.
r – 4 h = 14 in.
Choose exactly two answers that are correct.
A.
B.
40 cm3 = 4 min • r
C.
40 cm3 • r = 4 min
D.
r – 4 h = 14 in.
Answers
Answered by
Reiny
rate of filling = 40 cm^3/4 min
= 10 cm^3/min
= 10 cm^3/min
Answered by
Steve
So, only B appears correct.
C would work, if you consider 0.1 min/cm^3 a rate. Usually rates are written with time in the denominator. If, however, you want to determine the time needed to fill 1 cm^3, then C will work.
C would work, if you consider 0.1 min/cm^3 a rate. Usually rates are written with time in the denominator. If, however, you want to determine the time needed to fill 1 cm^3, then C will work.
Answered by
kje
D and B are correct
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