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abruzzese [7]
3 years ago
8

In the world’s coldest freezer, sodium gas was cooled to a temperature of 78.5°C below zero and then cooled 194.65°C more. What

was the new temperature of the sodium gas?
Mathematics
2 answers:
andrey2020 [161]3 years ago
8 0

Answer:

–273.15°C

Step-by-step explanation:

masya89 [10]3 years ago
5 0

Answer:

-202.5 celsius

Step-by-step explanation:

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An experimental population of fruit flies increases according to the law of exponential growth. There were 60 flies after the 2n
Mice21 [21]

Answer:

There were 10 flies originally

Step-by-step explanation:

Since we have an exponential growth, we will be having a constant percentage of increase and we can set up the increase at any day using the following equation;

V = I(1+r)^d

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and d is the number of days.

So we have for the second day;

60 = I(1+r)^2 ••••••(i)

For the fourth day, we have;

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divide equation ii by i; we have;

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6 = (1+r)^2

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1 + r = √6

r = √6 - 1

So we can substitute the value of r in any of the equations to get I which is the initial number of flies

Let’s use equation 1

60 = I(1 + r)^2

60 = I(1 + √6 -1)^2

60 = I(√6)^2

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