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BARSIC [14]
3 years ago
14

Factor by GCF 2n2-8n3

Mathematics
1 answer:
ehidna [41]3 years ago
3 0
-2n2 • (4n - 1). Hope this helped
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An advertising company designs a campaign to introduce a new product to a metropolitan area of population 3 Million people. Let
Advocard [28]

Answer:

P(t)=3,000,000-3,000,000e^{0.0138t}

Step-by-step explanation:

Since P(t) increases at a rate proportional to the number of people still unaware of the product, we have

P'(t)=K(3,000,000-P(t))

Since no one was aware of the product at the beginning of the campaign and 50% of the people were aware of the product after 50 days of advertising

<em>P(0) = 0 and P(50) = 1,500,000 </em>

We have and ordinary differential equation of first order that we can write

P'(t)+KP(t)= 3,000,000K

The <em>integrating factor </em>is

e^{Kt}

Multiplying both sides of the equation by the integrating factor

e^{Kt}P'(t)+e^{Kt}KP(t)= e^{Kt}3,000,000*K

Hence

(e^{Kt}P(t))'=3,000,000Ke^{Kt}

Integrating both sides

e^{Kt}P(t)=3,000,000K \int e^{Kt}dt +C

e^{Kt}P(t)=3,000,000K(\frac{e^{Kt}}{K})+C

P(t)=3,000,000+Ce^{-Kt}

But P(0) = 0, so C = -3,000,000

and P(50) = 1,500,000

so

e^{-50K}=\frac{1}{2}\Rightarrow K=-\frac{log(0.5)}{50}=0.0138

And the equation that models the number of people (in millions) who become aware of the product by time t is

P(t)=3,000,000-3,000,000e^{0.0138t}

5 0
3 years ago
Solve for the Simplest form
tino4ka555 [31]
How to solve:

\frac{5}{6} - \frac{3}{8}

Write all numerators above the least common denominator which is 24 in this case.
\frac{20-9}{24}

Subtract the numbers
\frac{11}{24}

Alternate form: 0.458333

The final, simplified, fraction answer is: \frac{11}{24}

7 0
3 years ago
Read 2 more answers
Nina owns a vacation home valued at $75,500. She owes $32,126 on her mortgage. How much are the asset and liability values for N
alexandr402 [8]
The value of Nina's house is $75,500. However, she owes $32,126 on her mortgage.
The asset on her house is $75,500
The liability on her house is $32,156
The net worth of the house is $43,344 (difference between assets and liabilities)
5 0
3 years ago
Use properties of addition and subtraction to evaluate the expression. −24−8−26 Enter your answer in the comments below.
Sav [38]
The answer to this would be -58
6 0
3 years ago
Ellen claims she has a coin that is weighted so that the probability of heads is 70%.
kvasek [131]
<span>Outcome Heads Tails
Relative Frequency 0.69 0.31

so first statement is false as 69% is close to 70%.

second statement is false as heads probability is close to 70%

last 2 statements are true:

</span><span>The theoretical probability of tails is most likely 30%.

It is likely that the coin is not fair.
</span>
5 0
3 years ago
Read 2 more answers
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