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katen-ka-za [31]

3 years ago

10

the concentration, in parts per million, of a type of antibiotic in a human’s bloodstream after h hours can be modeled by the po

lynomial function c(h) = -0.09h2 3.5h 8. what is the concentration of the antibiotic after 3 hours?

1 answer:

lilavasa [31]3 years ago

8 0

17.9ppm after 3 hours

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paso a paso

Step-by-step explanation:

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2 years ago

Solve the equation 2(x-4)=-22

Tcecarenko [31]

Hello Lexi!

<u><em>Answer: ⇒⇒⇒⇒⇒⇒ $x=-7$ </em></u>

__________________________________________________________

Step-by-step explanation:

First you had to divide by 2 from both sides of equation.

$\frac{2(x-4)}{2}=\frac{-22}{2}$

Simplify.

$\frac{2(x-4)}{2}=x-4$

$\frac{2(x-4)}{2}$

Divide by the numbers.

$\frac{2}{2}=1$

$=x-4$

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Apply the fraction rule.

$\frac{-22}{2}$

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Then you divide by the number.

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Add by 4 from both sides of equation.

$x-4+4=-11+4$

Simplify it should be the correct answer.

$x=-7$

___________________________________________________________________

Hope this helps!

Thank you for posting your question at here on brainly.

Have a great day!

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Step-by-step explanation:

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