2 years ago

What is the value of X in the equation x²-6x+9=25

Mathematics

1 answer:

zimovet [89]2 years ago

3 0

Answer:

X = -2 or X = 8

Explanation:

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Nutka1998 [239]

(1/A) dA/dt= C where A is the population of ants and C is a constant
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Plugging in: at t=0, A= 100 so C1 = ln(100) = 4.605
at t=3, A=230 so ln(230) = 3*C +4.605 so C = 0.278
Final equation:
ln(A) = 0.278t + 4.605
or:
A = exp(0.278t + 4.605)
After 14 days, A = exp(0.278*14 + 4.605) = 4875.2

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