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lisov135 [29]
3 years ago
14

The temperature was -12 degrees in the morning and fell to a low of -27 degrees for the dayWhat was the drop in temperature for

the day?
Mathematics
1 answer:
tresset_1 [31]3 years ago
7 0
To answer this question I believe you just need to subtract the two values

-12-(-27) = -12 + 27 = 15

The temperature dropped 15 degrees

hope this helped!
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Step-by-step explanation:

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<span>-8 < x -3 < 1
we have two inequations: 
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Step-by-step explanation:

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6 0
3 years ago
Read 2 more answers
A biologist is studying the elk population in a county park. She starts with only 2 elk and observes that the number of elk trip
DochEvi [55]

Answer:

The expression that represents the population of elk is: \text{elk}(t) = 2*3^t. It'll take 6 years for the population to reach 1,458 individuals.

Step-by-step explanation:

Since the number of elks triples every year and starts at \text{elk}(0) = 2, then after the first year the population will be:

\text{elk}(1) = \text{elk}(0)*3 = 2*3

While on the second year, it'll be:

\text{elk}(2) = \text{elk}(1)*3 = 2*3*3 = 2*3^2

On the third year:

\text{elk}(3) = \text{elk}(2)*3 = 2*3^2*3 = 2*3^3

And so on, therefore the expression that describes the population of elk as the years passes is:

\text{elk}(t) = 2*3^t

If we want to know the number of years until the population reach 1,458 elk, we need to apply this value to the left side of the equation and solve for t.

1458 = 2*3^t\\3^t = \frac{1458}{2}\\3^t = 729\\ln(3^t) = ln(729)\\t*ln(3) = ln(729)\\t = \frac{ln(729)}{ln(3)} = 6

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8 0
3 years ago
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morpeh [17]

Answer:

see the explanation

Step-by-step explanation:

we know that

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I will analyze two cases

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therefore

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Part 2) we have

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so

For x=0

substitute

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therefore

The y-intercept is the point (0,-1)

6 0
3 years ago
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