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Afina-wow [57]
2 years ago
9

Please help me with this question

Mathematics
1 answer:
Vladimir [108]2 years ago
7 0

Answer: 20

Step-by-step explanation:

numbers belonging to the figure on the left are 2.5 times less than on the right so to find x multiply 8 by 2.5 and that is 20

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Irina18 [472]
<span>x/2 is the same thing as 1/2x

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3 years ago
A bacteria culture initially contains 100 cells and grows at a rate proportional to its size. After an hour the population has i
scoundrel [369]

Answer:

<h2>See the explanation.</h2>

Step-by-step explanation:

In one hour, the population has increased from 100 to 570.

The population becomes  \frac{570}{100} \times 100= 570% of 100.

Hence, according to our observation, we can tell that the population of the bacteria grows up to 570%  of previous hour.

(a)

The number of bacteria after t hours can be represented as p(t) = (\frac{570}{100} )^{t} \times 100.

(b)

After 4 hours, the <u>number of bacteria will be</u> (\frac{570}{100} )^{4} \times 100 = 105560.01.

(c)

The derivative of p(t) is 100\times ln(5.7) \times (5.7)^t.

At t = 4, the value will be 183723.6268 ≅ 183724.

(d)

<u>The population will be 10,000 that is p(t) = 10000</u>.

(5.7)^t \times100 = 10000\\(5.7)^t = 100\\t = 2.64594 = 2.6.

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3 years ago
Find the slope of the line<br> that goes through the given<br> points<br> (-6,3) (5,0
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Answer:

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Step-by-step explanation:

I did it on a graphing calculator

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Step-by-step explanation:

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Step-by-step explanation:

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