Arpan

My mom said I could have all of the nickels and dimes in her wallet. It totals $1.35. How many nickels and dimes do I have?

if the 29th term of arithmetic series is double of 19th term then find the 9th term.

Ship made of iron doesn't sinks but iron nail sinks. Why?

Prove:- arctan(1/4)+ arctan(1/9)= (1/2)arccos(3/5)

The ans Steve gave is absolutely wrong...the ans is less than 823 and greater than 665...steve u have counted the same numbers more than one time...for example u have counted 15 twice....

My mom said I could have all of the nickels and dimes in her wallet. It totals $1.35. How many nickels and dimes do I have?

its 1/4 isn't it?

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