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Lerok [7]
3 years ago
15

Please help will give brainlist

Mathematics
2 answers:
SpyIntel [72]3 years ago
4 0
6(x²-4x+4-4)+1=0, 6(x-2)²-24+1=0, 6(x-2)²=23, x-2=±√(23/6), x=2±√(23/6)=2±1.95789, so x=3.95789 or 0.04211 approx. These are the zeroes.
baherus [9]3 years ago
4 0

Answer:

Option D. x=2+\sqrt{\frac{23}{6}},2-\sqrt{\frac{23}{6}}

Step-by-step explanation:

The given function is f(x) = 6x² - 24x + 1

The zeros of the given quadratic function can be calculated by quadratic formula

x=\frac{-b\pm \sqrt{b^{2}-4ac}}{2a}

By putting values a = 6, b = -24, c = 1 in the quadratic formula

x=\frac{24\pm \sqrt{(-24))^{2}-4(6)(1)}}{2(6)}=\frac{24\pm \sqrt{576-24}}{12}=\frac{24\pm \sqrt{552}}{12}=2\pm \sqrt{\frac{552}{144}}=2\pm \sqrt{\frac{23}{6}}

x=(2+\sqrt{\frac{23}{6}}),(2-\sqrt{\frac{23}{6}})

Option D. is the correct option.

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4 0
3 years ago
perimeter of parallelogram 140 cm if one side is longer than the other by 10cm, find the length of each of its parallel side
Verizon [17]

The length of each of its parallel side are 30 cm and 40 cm.

<u>Step-by-step explanation</u>:

  • Perimeter of parallelogram = 140 cm.
  • The one side of parallelogram = x cm.
  • The other side of parallelogram = x+10 cm.

Perimeter of a parallelogram = 2 (base+height)

⇒ 140 = 2(x+x+10)

⇒ 140 = 2(2x+10)

⇒ 140 = 4x+20

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⇒ x = 120/4

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4 years ago
Brainliest!!
Andreyy89

answer of all tasks ( 1 to 6) is attached below in 4 images

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