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Romashka [77]
3 years ago
7

Type the correct answer in each box.

Mathematics
2 answers:
Mrrafil [7]3 years ago
8 0

Answer:

(3x^{2} -6x+11)-(10x^{2} -4x+9)\RightarrowA)-7x^{2} -2x+5

(-3x^{2} -5x-3)-(-10x^{2} -7x+2)\RightarrowC)7x^{2} +2-5

(12x^{2} +6x-5)-(5x^{2} +8x-12)\Rightarrow B)7x^{2} -2x+7

OAmalOHopeO

son4ous [18]3 years ago
5 0

Answer:

Answer:

Step-by-step explanation:

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Answer:

D

Step-by-step explanation:

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Step-by-step explanation:

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Talulah is an ecologist who studies the change in the penguin population of Antarctica over time. She observed that the populati
Oksana_A [137]

Answer:

P(t) = 27000 * (1/9)^(t/4)

Step-by-step explanation:

This problem can me modelled with an exponencial formula:

P = Po * (1+r)^t

Where P is the final value, Po is the inicial value, r is the rate and t is the amount of time.

In this problem, we have that the inicial population/value is 27000, the rate is -8/9 (negative because the population decays), and the time t is in months, so as the rate is for every 4 months, we use the value (t/4) in the exponencial.

So, our function will be:

P(t) = 27000 * (1-8/9)^(t/4)

P(t) = 27000 * (1/9)^(t/4)

8 0
3 years ago
Read 2 more answers
Which is the x-intercept of the graph of the equation y=3x–9?
Vinvika [58]
Y=3x-9
0=3x-9
-3x=-9
x=3
X-int = 3
5 0
2 years ago
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