Answer:
32 hours and 55 minutes
Someone buys a pen for 1.09 and paper for 2.50 how much more does the paper cost more then the pen
2 answers:
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Try this solution:1. to make up the characteristic equation:α²+5α=0;
2. to make up the final answer:y=C₁+C₂e⁻⁵ˣ