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IceJOKER [234]
3 years ago
7

What is the factor of х+8x+7

Mathematics
1 answer:
xxMikexx [17]3 years ago
3 0

Answer:

(x + 7) (x + 1)

Step-by-step explanation:

Product = 7

Sum = 8

Factors = 1 , 7

x² + 8x + 7 = x² + 7x + x + 7

                 = x(x + 7) + (x + 7)

                 = (x + 7) (x + 1)

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Find a solution to dA/dt=-6A if A(0)=6. A(t)=
Delicious77 [7]

This equation is separable,

\dfrac{dA}{dt} = -6A \implies \dfrac{dA}A = -6\,dt

Integrate both sides and solve for A :

\displaystyle \int \frac{dA}A = -6 \int dt

\ln|A| = -6t + C

e^{\ln|A|} + e^{-6t+C}

\implies A(t) = Ce^{-6t}

Solve for C using the initial value.

A(0) = 6 \implies 6 = Ce^0 \implies C=6

Then the particular solution is

\boxed{A(t) = 6e^{-6t}}

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2 years ago
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Answer:

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3 years ago
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Please show your work and I need this in 10 minutes
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5 0
4 years ago
Read 2 more answers
Which step is it?? Please help me.
eduard

Answer:

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