hela9astrid
02.08.2019 •
Mathematics
Lillie has 24 dollars in quarters and dimes. she has 120 coins in all. which system of equation could be used to determine how many of each kind of coin she has
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Ответ:
d + q = 120
0.10d + 0.25q = 24
this is ur system of equations
Ответ:
16pi
Step-by-step explanation:
area is pi times radius squared
d=8
r=4
pi(16)
16pi