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OpenStudy (anonymous):
Sonji has $5.25 in nickels and dimes.The coin value can be modeled by the equation 0.10d + 0.05n = 5.25, where d represents the number of dimes and n represents the number of nickels. If Sonji has 21 dimes, how many nickels does she have? 35 42 63 105
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OpenStudy (anonymous):
@10115658 Sorry for bugging you >.<
OpenStudy (anonymous):
replace d with 21 and solve for n
OpenStudy (anonymous):
n=63?
OpenStudy (anonymous):
good job
OpenStudy (anonymous):
Can you help with me with another? Lol
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OpenStudy (anonymous):
sure
OpenStudy (anonymous):
A sequence is defined by the recursive function f(n + 1) = 1/3f(n). If f(3) = 9 , what is f(1) ?
OpenStudy (anonymous):
|dw:1437167181081:dw|
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