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2 years ago

14

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2 answers:

Arturiano [62]2 years ago

8 0

Correct me if I’m wrong but I’d go with
B). 34, 55

Readme [11.4K]2 years ago

7 0

Answer:

B: 34, 55

Step-by-step explanation:

To get generation 7, the relatives of generation 5 and 6 were added. (8+13=21). So, to get generation 8, you need to add the relatives of generation 6 and 7. (13+21). Then, to get the ninth generation, you add the relatives of 7 and 8. (21+34. In the Fibonacci sequence you add the previous 2 numbers together to get the next number. I hope I explained this well I really tried my best to explain this.

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nikklg [1K]

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2 years ago

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Pavel [41]

Answer:

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2 years ago

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2 years ago

Read 2 more answers

<img src="https://tex.z-dn.net/?f=4x%5E%7B2%7D%20%2B4x%2B1%3D0" id="TexFormula1" title="4x^{2} +4x+1=0" alt="4x^{2} +4x+1=0" ali

Arturiano [62]

$D=b^2-4ac\\D=4^2-4(4)(1)\\D=16-16\\D=0$

Meaning there's only 1 real root, complete the square and you get the answer.

$(x+y)^2=x^2+2xy+y^2$

We're going to use this formula, so if x² = 4x² then x = 2x

and if y² = 1 then y = 1

Straight to formula

$(2x+1)^2=0\\x=-\frac{1}{2}$

Because (2x+1)² is basically (2x+1)(2x+1), we get the same value of x.

So the answer is x = -1/2

(When D>0, there are 2 real roots.)

(When D=0, there are only 1 real root.)

(When D<0, there are no real roots, but 2 complex roots.)

8 0

2 years ago