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DENIUS [597]
3 years ago
15

Sam is 3 years younger then Marco . Marco is 15 how old is Sam

Mathematics
2 answers:
vodomira [7]3 years ago
6 0
Sam will be = 15 - 3 = 12 years.
astraxan [27]3 years ago
5 0
Sam is 15-3 years then Marco=>Sam is 12 years old.
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aliya0001 [1]
It would be 3.25 because you can’t round 0.001 up
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2 years ago
.A bacteria culture grows at a rate of 20%
Zolol [24]

The number of the specimens would be in the culture after 5 minutes will be 7,962.62.

<h3>What is an exponent?</h3>

Consider the function:

y = a (1 + r) ˣ

Where x is the number of times this growth occurs, a = initial amount, and r = fraction by which this growth occurs.

A bacteria culture grows at a rate of 20% per minute.

If the culture initially has 3,200 bacteria specimens.

Then the equation will be

y = 3200 (1 + 0.2) ˣ

y = 3200 (1.20) ˣ

Then the number of the specimens would be in the culture after 5 minutes will be

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y = 7962.62

More about the exponent link is given below.

brainly.com/question/5497425

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2 years ago
The function f(x) is an increasing function about which little else is known about other than f(2)=7 and f'(2)=5. Find (f^-1)'(7
andreyandreev [35.5K]

Since f(x) is (strictly) increasing, we know that it is one-to-one and has an inverse f^(-1)(x). Then we can apply the inverse function theorem. Suppose f(a) = b and a = f^(-1)(b). By definition of inverse function, we have

f^(-1)(f(x)) = x

Differentiating with the chain rule gives

(f^(-1))'(f(x)) f'(x) = 1

so that

(f^(-1))'(f(x)) = 1/f'(x)

Let x = a; then

(f^(-1))'(f(a)) = 1/f'(a)

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2 years ago
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3 years ago
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andrey2020 [161]

Answer: D

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Going left to right, the line slopes downwards, therefore it is a negative Slope. This narrows down your answer to either a or d. the slope is -1 because you can only ever write x by itself if it means 1x. In this case it is negative so it would look like this: -x

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i hope this is helpful

8 0
2 years ago
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