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igomit [66]
3 years ago
10

If f(x)=|x|, sketch f'(x) for -2

Mathematics
1 answer:
Luden [163]3 years ago
4 0

Answer:

17

Step-by-step explanation:

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In a class of 26 students, 15 of them like maths, 13 of them like English and 9 of them don't like Maths or English. Find the pr
galben [10]

Answer: 0 0769

Step-by-step explanation:

Let x be the number of students that offer both subjects

15 - x + x + 13 - x + 9 = 26

-x + 37 = 26

-x = -11

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Number of student that offer english but not math = 13 - 11 = 2

The probability of english but not math = 2/26 = 0.0769

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3 years ago
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salantis [7]

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2 years ago
9. The half-life of aspirin in your bloodstream is 12 hours. Use exponential model to
monitta

after 6.2 hours the dose will decay to 70% in your bloodstream.

<h3>How long you must wait for the dosage to decay to 70% in your bloodstream?</h3>

We know that the half-life is 12 hours. Then the exponential relation for an initial dosage of A is:

D(t) = A*e^{-t*ln(2)/12h}

If the dosage needs to decay to a 70% of the initial dosage, then we must have:

e^{-t*ln(2)/12h} = 0.7

Now we need to solve that for t:

If we apply the natural logarithm in both sides, we get:

ln(e^{-t*ln(2)/12h}) = ln(0.7)\\\\-t*ln(2)/12h = ln(0.7)\\\\t = -ln(0.7)*12h/ln(2) = 6.2h

So after 6.2 hours the dose will decay to 70% in your bloodstream.

If you want to learn more about half-life:

brainly.com/question/11152793

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6 0
2 years ago
A rectangle has a perimeter of 60 inches and a length of 22 inches. What is the width of the rectangle?​
yKpoI14uk [10]

Answer:

8in

Step-by-step explanation:

I hope this helps. have a great dsy

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3 years ago
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