Asked by Angelina
1.the number of bacteria present in a colony is 180 at 12 noon and the bacteria grows at a rate of 22% per hour. how many will be present at 8pm?
2.A 1970 comic book has appreciated 10% per year and originally sold for $0.35. What will it be worth on 2010?
3.The cost of a high definition television now averages $1200 but the cost is decreasing about 15% per year. What will it be worth in 6 years?
4.a savings bond of $1000 pays 6.5% annual interest compounded yearly. What is the balance after the certificate matures in 5 years?
Please help me with my homework...use this nethod for each problem thanks it means alot!!!😌
Growth/decay:
Growth/decay factor:
Initial value:
Function:
Answer:
2.A 1970 comic book has appreciated 10% per year and originally sold for $0.35. What will it be worth on 2010?
3.The cost of a high definition television now averages $1200 but the cost is decreasing about 15% per year. What will it be worth in 6 years?
4.a savings bond of $1000 pays 6.5% annual interest compounded yearly. What is the balance after the certificate matures in 5 years?
Please help me with my homework...use this nethod for each problem thanks it means alot!!!😌
Growth/decay:
Growth/decay factor:
Initial value:
Function:
Answer:
Answers
Answered by
Steve
#1
growth
factor: 1.22
initial: 180
at 8pm: 180 * 1.22^8
Consider how I derived the math from the words, and work on the others. Let us know which items seem difficult.
growth
factor: 1.22
initial: 180
at 8pm: 180 * 1.22^8
Consider how I derived the math from the words, and work on the others. Let us know which items seem difficult.
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