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Alchen [17]
3 years ago
15

Please help need a 100 A) x=1, x=3 B) x=-1, x=3 C) x=-1, x=-3 D)x=1, x=-3

Mathematics
1 answer:
Sergeu [11.5K]3 years ago
3 0

The question is asking for the intersection of the line and the parabola.  Where does the blue parabola and the red line meet? <em>at (-1, -3) and (3, 5)</em>

Answer: B) x = -1 , x = 3

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-4/10+5/10
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Which of the following is equal to the rational expression when x doesn’t equal 5 or -1? (X-7)(x+1)/(x+1)(x-5)
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4^2(2-square root 2)

Step-by-step explanation:

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A man is 32 years old and his son is 5 years old. How many years hence will the
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Step-by-step explanation:

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father= 32 yrs old

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4(5+x) = 32+x

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the x presents how the father will be after 4 times the age of the son

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the probability of a number cube landing on 4 is 1/6 if a number cube is tossed 12 times how many times can it be expected to la
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On the basis of data collected during an experiment, a biologist found that the growth of a fruit fly population (Drosophila) wi
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(a). 15

(b). 78

Step-by-step explanation:

Growth of the population of a fruit fly is modeled by

N(t) = \frac{600}{1+39e^{-0.16t} }

where t = number of days from the beginning of the experiment.

(a). For t = 0 [Initial population]

N(0) = \frac{600}{1+39e^{-0.16\times 0} }

       = \frac{600}{1+39}

       = \frac{600}{40}

       = 15

Initial population of the fruit flies were 15.

(b).Population of the fruit fly colony on 11th day.

N(11) = \frac{600}{1+39e^{-0.16\times 11} }

       = \frac{600}{1+39e^{-1.76} }

       = \frac{600}{1+39\times 0.172 }

       = \frac{600}{1+6.71}

       = \frac{600}{7.71}

       = 77.82

       ≈ 78

On 11th day number of fruit flies colony were 78.

3 0
3 years ago
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