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True [87]
3 years ago
13

Which term below correctly completes the following sentence?

Mathematics
2 answers:
Norma-Jean [14]3 years ago
3 0

Answer:

c

Step-by-step explanation:

Brrunno [24]3 years ago
3 0

Answer:

it d

Step-by-step explanation:

ap.ex

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Oil is pumped continuously from a well at a rate proportional to the amount of oil left in the well. Initially there were 3 mill
abruzzese [7]

Answer:

V' = -0.11552 *V\\= -0.11552(1.8)\\ \\=-0.20794 million per year

Step-by-step explanation:

Given that oil is pumped continuously from a well at a rate proportional to the amount of oil left in the well. Initially there were 3 million barrels of oil in the well; six years later 1,500,000 barrels remain.

i.e. if V stands for volume of oil, then

V' =kV\\dv/V= kdt\\ln V = kt+C\\V = Ae^{kt}

To find A and k

V(0) = A = 3 million

Hence V = 3e^{kt}

V(6) = 1.5

i.e. 1.5 = 3e^{6k}\\ln 1.5 =ln 3 +6k\\k = -0.11552

V(t) = 3e^{-0.11552t}

a) Using the above value of k , we have

V' = -0.11552 *V\\= -0.11552(1.8)\\ \\=-0.20794 million per year.

4 0
3 years ago
Help me with this question please?
UNO [17]
\bf 3^{n+2}-3^n=8\cdot 3^n\implies \boxed{3^n\cdot 3^2}-3^n=8\cdot 3^n
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6 0
3 years ago
The graph of the function f(x) = –(x + 3)(x – 1) Which statement about the function is true
Alex73 [517]

I think the answer is 2.The function is negative for all real values of x where x < –3 and where x > 1.

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Difference between 136 and -50
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136 - (-50)=

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7 0
3 years ago
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Answer:

<u>Find the missing side first.</u>

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1) tangent = opposite leg / adjacent leg

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2) sine = opposite leg / hypotenuse

  • sinβ = √95/12
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3 years ago
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