assunta13
assunta13
01-05-2017
Mathematics
contestada
Evaluate 2x2 − 5y when x = -3 and y = 4.
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mcbridejr21
mcbridejr21
02-05-2017
2(-3)2 -5(4). -12 -20= -32. It's this because you plug -3 and 4 into x and y. Then if you answer it out it equals -32
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A laptop computer is priced at $650. If the sales tax is 5%, find the total cost of the computer, including sales tax.
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