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2 years ago

Infections seldom start with a single bacterium. Suppose that you cut yourself on a rusty nail that puts 25

Mathematics

1 answer:

Soloha48 [4]2 years ago

3 0

Answer: There would be 12,000 bacteria 8 hours after the initial infection.

Step-by-step explanation: You start with 25 cells and if they divide every 15 minutes, 25 multiplied by 15 gets you 375 cells every quarter of an hour. Then if you multiply that by the 32 quarter hours, you get 12,000 cells. To check that you can also multiply 25 by 15, still 375, then 375 by 4 for each quarter of the hour, then that gets you 1,500 cells every hour. If you multiply that by 8 for the 8 hours they have time to divide, you still get 12,000 cells.

I hope this helps!

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F(x) = (3 - x) f(-1) = A) 1 B) 2 C) undefined D) 2

garik1379 [7]

Answer:

none of the choices

Step-by-step explanation:

f(x) = 3-x

Let x=-1

f(-1) = 3 - (-1)

= 3+1

f(-1) =4

6 0

3 years ago

Read 2 more answers

Anyone understand this? i need help :((

Zinaida [17]

Answer:

(-9,8)

(-2,8)

(-1,8)

(0,8)

(7,8)

hope this helped you :)

Please mark me brainiest

5 0

2 years ago

If 20 mangoes cost 850 naira , what is the cost of 15 Mangoes

Marianna [84]

In this math problem, we will be using rate of change.
850 naira’s / 20 mangoes
= 42.5 nairas for one mango.
Next, to find the cost of 15 mangoes, we will take the cost of our one mango and simply multiply it by 15.
= 42.5 nairas * 15
= 637.50 nairas
So, in conclusion, the cost of 15 mangoes is 637.50 naira.

3 0

2 years ago

Give an explanation please thank you

Flauer [41]

The statement of Gabriella, “The graph will not have an inverse function.” is incorrect. Option B is correct.

Let us understand about the given graph:

The given graph is a graph of a cube root function.

So, the statement of Noelle, “The graph represents the function $f(x)=\sqrt[3]{x}$ ." is correct.

So, option A is not correct.

The inverse of a cube root function is a cubic function.

So, the statement of Gabriella, “The graph will not have an inverse function.” is incorrect.

So, option B is correct.

The domain and range of the cube root function are all real numbers.

So, the statement of Julian, “The domain and range of the function is all real numbers.” is correct.

So, option C is not correct.

From the graph, we can see f(-1) = -1.

So, the statement of Yemen, “The value of f(-1) = -1.” is correct.

So, option D is not correct.

Thus, the statement of Gabriella, “The graph will not have an inverse function.” is incorrect. Option B is correct.

To learn more about the cube root function visit:

brainly.com/question/28212425

#SPJ1

3 0

9 months ago

The following values of (x) and f(y) are given. Find the best value of (dy/dx) at

velikii [3]

Answer:

dy/dx at x=6 is 0.334

Step-by-step explanation:

The center difference method requires that the values of the function are given in equal intervals which is the case, and allows one to find the value for x = 6 using those of the function for x = 5.5 and for x = 6.5 as follows:

$\frac{dy}{dx} =\frac{3.7436-3.4096}{6.5-5.5} =0.334$

4 0

2 years ago