2 years ago

Which of the following is equal to the rational expression when x ne2 or -4? (5(x - 2))/((x - 2)(x + 4))

Mathematics

1 answer:

AURORKA [14]2 years ago

8 0

Answer:5/x+4

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The cells of a bacteria doubles in every 15 minutes. A scientist begins with a single cell. How many cells will be there after (

Anastaziya [24]

Step-by-step explanation:

Given that:-

1 cell = 15 minutes

So, we can concert 15 minutes to hours.

So,

60 minutes = 1 hour

1 minute = 1/60

15 minutes =

$\frac{15}{60} = 0.25 \: hrs$

Okay, now we will apply first for 0.4 hours.

$0.25 \: hrs= 1 \: cell$

$1 \: hr = \frac{1}{0.25}$

$0.4 \: hrs = \frac{0.4}{0.25}$

$= 1.6 \: cells$

$= 16 \times {10}^{ - 1} \: cells$

Now, second one:-

$10 \: hrs = \frac{10}{0.25}$

$= 40 \: cells$

$= 0.4 \times {10}^{2} \: cells$

Hope it helps :D

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3 years ago

1/2 greater than or less than 3/15

Colt1911 [192]

Greater
If we get common denominators
1/2=15/30
3/15=6/30
15>6 therefore 1/2>3/15

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3 years ago

What is a number divided by 9

LuckyWell [14K]

18 divided by 9 is 2

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3 years ago

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Which function is the inverse of y = 1/4x^2 - 1, where x < 0

kykrilka [37]

Answer:

Step-by-step explanation:

25 x 25= 625

625-1= 624

B= y= -(200 + 1) which to the square root = 625

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3 years ago

Can someone help me with this plz

Elis [28]

Choice A and Choice B

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2 years ago