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docker41 [41]
3 years ago
11

86 centimeters in meters

Mathematics
1 answer:
horrorfan [7]3 years ago
5 0
I centimeter = 0.01 meters
Use proportion:
1/.01=86/x
x=.86 meters
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3 years ago
A solution initially contains 200 bacteria. 1. Assuming the number y increases at a rate proportional to the number present, wri
GuDViN [60]

Answer:

1.\frac{dy}{dt}=ky

2.543.6

Step-by-step explanation:

We are given that

y(0)=200

Let y be the number of bacteria at any time

\frac{dy}{dt}=Number of bacteria per unit time

\frac{dy}{dt}\proportional y

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Where k=Proportionality constant

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ln y=kt+ln 200

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ln\frac{y}{200}=kt

\frac{y}{200}=e^{kt}

y=200e^{kt}

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y'=200ke^{kt}

Substitute the given condition then, we get

100=200ke^{0}=200 \;because \;e^0=1

k=\frac{100}{200}=\frac{1}{2}

y=200e^{\frac{t}{2}}

Substitute t=2

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e=2.718

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Read 2 more answers
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Nesterboy [21]

Answer:

59.52 days

Step-by-step explanation:

So this is a simple problem we can solve easily

If it takes 3 days to read 50 pages then obviously his rate of reading is 50 pages per day

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Now is we multiply 19.84 by 3, we get the total amount of days which is 59.52

I hope I helped and have a wonderful day!

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