3 years ago

PLZ HELP...

1 answer:

7 0

Gghhqyhgggfffggytrsshh

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Anestetic [448]

9.7*3.3=32.01
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hjlf

440 / 4 = 110
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RSB [31]

Answer:

1.307%

4.38%

5.696%

Step-by-step explanation:

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gizmo_the_mogwai [7]

We can rewrite the squared in two ways.

The first way is to rewrite it as a multiplication, this is:

$(y-6)^2=(y-6)(y-6)$

The second way to rewrite the squared is by using the formula for this kind of product:

$(y-6)^2=y^2+2(-6)(y)+(-6)^2$

Once again we can find the final result using each of the options given in part A, for the first option we have:

$\begin{gathered} (y-6)^2=(y-6)(y-6) \\ =y^2-6y-6y+36 \\ =y^2-12y+36 \end{gathered}$

For the second option we have:

$\begin{gathered} (y-6)^2=y^2+2(-6)(y)+(-6)^2 \\ =y^2-12y+36 \end{gathered}$

No matter which way we choose the answer for the squared is:

$y^2-12y+36$

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Arlecino [84]

After 2 hours, there are 12 bacteria present.

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