2 years ago

The average height of boys at Greg's school is 5'9" with a

Mathematics

1 answer:

ipn [44]2 years ago

3 0

1- almost 100
2- 83.85

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Igoryamba

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2A + 6C = $60

Step-by-step explanation:

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3 years ago

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3 years ago

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3 years ago

Find all the zeros of the function f(x) = x^3 -2x^2 +16x -32

Alex777 [14]

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<h2>Real zeros: x = 2</h2><h2>All zeros: x = 2, x = -4i and x = 4i</h2>

Step-by-step explanation:

$f(x)=x^3-2x^2+16x-32\\\\\text{The zeros:}\\\\f(x)=0\Rightarrow x^3-2x^2+16x-32=0\\\\x^2(x-2)+16(x-2)=0\\\\(x-2)(x^2+16)=0\iff x-2=0\ \vee\ x^2+16=0\\\\x-2=0\qquad\text{add 2 to both sides}\\\boxed{x=2}\\\\x^2+16=0\qquad\text{subtract 16 from both sides}\\x^2=-16$

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