Mathematics, 05.12.2021 21:50 hebrew1148

A man has a collection of 19 coins worth $2.55. There are twice as many nickels as dimes. If the rest are quarters, how many quarters are there?

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1. evaluate 8x(2)y9(-2) for x=-1 and y=2 2. simplify the equation. -() 3. simplify the expression. [tex]\frac{5}{x(-2) y9(5)}[/tex]

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A man has a collection of 19 coins worth $2.55. There are twice as many nickels as dimes. If the res...

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