3 years ago

Joe bought 16 pounds of flour for $7. How many pounds of flour did he get per dollar?

Mathematics

1 answer:

wolverine [178]3 years ago

7 0

Answer:

112

Step-by-step explanation:

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Step-by-step explanation:

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Step-by-step explanation:

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

Alex777 [14]

Answer:

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

Step-by-step explanation:

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