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3 years ago

What is 2 1/4 times 9/5

Mathematics

1 answer:

olga nikolaevna [1]3 years ago

4 0

2 1/4 ⋅ 9/5 —> 9/4 ⋅ 9/5 = 81/20 or 4 1/20 or 4.05

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3 years ago

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2 years ago

The electrical charge on a metal plate is given

Katarina [22]

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after 10 seconds the charge is 1.624

Step-by-step explanation:

I think your question missed key information, allow me to add in and hope it will fit the orginal one.

The electrical charge on a metal plate is given by the function below, where t is the time in seconds. What is the charge after 10 seconds?

C (t) = 12 $e^{\frac{-t}{5} }$

My answer:

Given the information:

C (t) = 12 $e^{\frac{-t}{5} }$

when t =10 we have:

C (10) = 12 $e^{\frac{-10}{5} }$

<=> C (10) = 12 $e^{-2}$

<=> C (10) = 12 $\frac{1}{e^{2} }$

<=> C (10) = 12 * 0.1353

<=> C (10) = 1.624

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3 years ago