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swat32
3 years ago
7

Identify the "c" value of the following quadratic equation given below. -8 = 2(x + 9)^2

Mathematics
1 answer:
Igoryamba3 years ago
3 0

\bf -8=2(x+9)^2\implies -8=2(\stackrel{\mathbb{F~O~I~L}}{x^2+18x+81})\implies \cfrac{-8}{2}=x^2+18x+81 \\\\\\ -4=x^2+18x+81\implies 0=\stackrel{\stackrel{a}{\downarrow }}{1}x^2\stackrel{\stackrel{b}{\downarrow }}{+18}x\stackrel{\stackrel{c}{\downarrow }}{\boxed{+85}}

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Can you plz help me...
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The solution is where the two red lines cross each other.

The graph has a blue dot where the lines cross.

It is at X = 2 and Y = -3


The answer is (2,-3)

7 0
3 years ago
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In young children, some brain cells have a ------- that
liubo4ka [24]

<u>In young children, some brain cells have a </u>plasticity <u>that enables them to take over the functions of damaged or </u><u>missing brain cells.</u>

  • Option E is correct as of the meaning of plasticity the quality of being easily shaped or moulded.
  • So according to meaning option E can be filled in the blank.
  • Option A is incorrect which means weak
  • Option B is incorrect which means a story told about past events remembered by the author.
  • Option C means having a very harmful or effect.
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Hence E is a suitable answer.

What is plasticity explain?

Plasticity, ability of certain solids to flow or to change shape permanently when subjected to stresses of intermediate magnitude between those producing temporary deformation, or elastic behaviour, and those causing failure of the material, or rupture (see yield point).

Learn more about plasticity

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7 0
2 years ago
Kelly spends $63.90 on items for a party. She buys thank you cards that cost $5.40 (including tax). She also buys gift bags that
Klio2033 [76]
$63.90 (total)

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8 0
3 years ago
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Answer:

15

Step-by-step explanation:

Fiona (F) = Sushi (S)

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M = F + 90

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F (Fiona) = 15

S (Sushi) = 15

check: Malachy (M) = 15 * 7 = 105

M-F = 105 - 15 = 90

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