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ankoles [38]
3 years ago
15

Complete the square. 3x^2-12x=96

Mathematics
2 answers:
Goryan [66]3 years ago
7 0

Answer:

x = 8 and -4

Step-by-step explanation:

3x² - 12x = 96

3(x² - 4x +  <u>4</u> = 32 + 4)

3[(x - 2)² = 6²]

x - 2 = +/- 6

x = 8

x = -4

velikii [3]3 years ago
4 0
X equals 8 and x also equals -4
x=8
x=-4
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Answer:

60 seconds

Step-by-step explanation:

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(a) 74553

(b) 172120

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Step-by-step explanation:

Given

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Year 1998 means that:

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So, we have:

y = \frac{340110}{1 + 377e^{-0.259*18}}

y = \frac{340110}{1 + 377e^{-4.662}}

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Solving (b): 2003

Year 2003 means that:

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t =23

So, we have:

y = \frac{340110}{1 + 377e^{-0.259*23}}

y = \frac{340110}{1 + 377e^{-5.957}}

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y = \frac{340110}{1.976}

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Year 2006 means that:

t = 2006 -  1980

t =26

So, we have:

y = \frac{340110}{1 + 377e^{-0.259*26}}

y = \frac{340110}{1 + 377e^{-6.734}}

y = \frac{340110}{1 + 0.4485}

y = \frac{340110}{1.4485}

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2 years ago
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