3 years ago

There are 22 chairs in the classroom. 7 of the chairs are wood. The rest are plastic. How many chairs are plastic

1 answer:

5 0

Answer:

Step-by-step explanation:

22-7=15

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andrew-mc [135]

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NemiM [27]

Answer:

See verification below

Step-by-step explanation:

We can differentiate P(t) respect to t with usual rules (quotient, exponential, and sum) and rearrange the result. First, note that

$1-P=1-\frac{ce^t}{1+ce^t}=\frac{1+ce^t-ce^t}{1+ce^t}=\frac{1}{1+ce^t}$

Now, differentiate to obtain

$\frac{dP}{dt}=(\frac{ce^t}{1+ce^t})'=\frac{(ce^t)'(1+ce^t)-(ce^t)(1+ce^t)'}{(1+ce^t)^2}$

$=\frac{(ce^t)(1+ce^t)-(ce^t)(ce^t)}{(1+ce^t)^2}=\frac{ce^t+ce^{2t}-ce^{2t}}{(1+ce^t)^2}=\frac{ce^t}{(1+ce^t)^2}$

To obtain the required form, extract a factor in both the numerator and denominator:

$\frac{dP}{dt}=\frac{ce^t}{1+ce^t}\frac{1}{1+ce^t}=P(1-P)$

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ANEK [815]

2. i belive the answer should be

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LekaFEV [45]

Answer:

46.6

Step-by-step explanation:

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xeze [42]

Yes -5/0 is undefined because having 0 of something means you cannot split that 0 into any number so the answer is undefined.

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