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melamori03 [73]

3 years ago

13

A certain bacterium can divide every 30 minutes. If you begin with 1 bacterium, when will you have more than 1,000 bacteria? Exp

lain your answer/

1 answer:

Sphinxa [80]3 years ago

3 0

Answer:

5 hours.

Step-by-step explanation:

2^9=512

2^10=1024

10*30 minutes=5 hours

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KATRIN_1 [288]

Answer:

a. The pattern is that they are getting multiplied by 2 each time.

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4 years ago

enot [183]

Answer:

3x-2

---------

x-1

Step-by-step explanation:

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3 years ago

Someone please help me with number 6. Also show your work as that will help a lot

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$\bf f(x) = x^2+3x+9 \\\\[-0.35em] ~\dotfill\\\\ \cfrac{(x+h)^2+3(x+h)+9~~~~-~~~~(x^2+3x+9)}{h} \\\\\\ \cfrac{(x+h)^2+3(x+h)+9~~~~~~-x^2-3x-9}{h} \\\\\\ \cfrac{\stackrel{F~~O~~I~~L}{(x^2+2hx+h^2)}+3x+3h+9~~~~~~-x^2-3x-9}{h}$

$\bf \cfrac{(2hx+h^2+3h)~~\begin{matrix} +x^2-x^2+3x-3x+9-9 \\[-0.7em]\cline{1-1}\\[-5pt]\end{matrix}~~}{h}\implies \cfrac{\stackrel{\textit{common factor}}{~~\begin{matrix} h \\[-0.7em]\cline{1-1}\\[-5pt]\end{matrix}~~(2x+h+3)}}{~~\begin{matrix} h \\[-0.7em]\cline{1-1}\\[-5pt]\end{matrix}~~} \\\\[-0.35em] \rule{34em}{0.25pt}\\\\ ~\hfill 2x+h+3~\hfill$

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4 years ago

How would the domain and range of the function y = one-fourth x minus 6 be determined? Explain.

Liono4ka [1.6K]

Answer:

Domain = ( -∞ , ∞ )

Range = ( ∞ , ∞ )

Step-by-step explanation:

A function is given to us and we need to find the domain and range of the given function .

<u>The </u><u>function</u><u> </u><u>:</u><u>-</u><u> </u>

$\rm \implies y = \dfrac{1}{4}x - 6$

Definitions :-

<u>Range </u>:- The range is the set of all valid y values .
<u>Domain</u> :- All real numbers except where the expression is undefined.

In this case, there is no real number that makes the expression undefined. Therefore the domain will be :-

<u>Domain</u><u> </u><u>:</u><u>-</u><u> </u>

$\rm Domain = ( -\infty , \infty )$

or

$\rm Domain = \{ x | x \in \mathbb{R} \}$

<u>Range </u><u>:</u><u>-</u><u> </u>

$\rm Range = ( -\infty , \infty )$

or

$\rm Range = \{ y | y \in \mathbb{R}\}$

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3 years ago

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fenix001 [56]

Answer:

Step-by-step explanation:

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10 .

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3 years ago