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ycow [4]
1 year ago
7

At an important meet, rosalba won the 200 meters in 26.39 seconds. Rosalba ran at an average rate of?

Mathematics
1 answer:
Andre45 [30]1 year ago
7 0

We have to find the average rate of meters per second (also known as average speed).

We can calculate it as the quotient between the distance and the time:

v=\frac{d}{t}=\frac{200\text{ m}}{26.39\text{ s}}\approx7.58\text{ m\textbackslash s}

Answer: the average rate is approximately 7.58 m/s.

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A sum of money invested at 8% per annum for simple interests amounts to $12122 in 2 years.What ill it amounts to in 2 years 8 mo
Jobisdone [24]

Answer:

  $12,958

Step-by-step explanation:

The total amount of the account, principal plus interest, is given by ...

  A = P(1 +rt)

The given information tells us ...

  12,122 = P(1 + .08×2) = 1.16P

Then the principal amount is ...

  12,122/1.16 = 10,450

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When that same amount is invested using a different rate and time period, it becomes ...

  A = 10,450(1 + .09×(2 2/3)) = 10,450×1.24 = 12,958

It will amount to $12,958 in 2 years 8 months at 9%.

3 0
3 years ago
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3 years ago
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4 0
3 years ago
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miskamm [114]

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