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Hoochie [10]
3 years ago
11

Find the probability of being below 514 if the mean of a normal distribution is 474 and the standard deviation is 32.

Mathematics
1 answer:
Aleonysh [2.5K]3 years ago
7 0
I think it is c not sure tho
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What is the derivative of y with respect to x if y = 2/X4
zepelin [54]
You're correct, the answer is C.

Given any function of the form y=x^n, then the derivative of y with respect to x (\frac{dy}{dx}) is written as:
\frac{dy}{dx}=nx^n^-^1

In which n is any constant, this is called the power rule for differentiation.

For this example we have y= \frac{2}{x^4}, first lets get rid of the quotient and write the expression in the form y=x^n:
y= \frac{2}{x^4} =2x^-^4

Now we can directly apply the rule stated at the beginning (in which n=-4):
\frac{dy}{dx}=(2)(-4)x^{-4-1}=-8 x^{-5}= -\frac{8}{x^5}

Note that whenever we differentiate a function, we simply "ignore" the constants (we take them out of the derivative).
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3 years ago
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2 years ago
An amount of $ 8,000 was invested at 6% interest that is compounded yearly. The equation
sladkih [1.3K]

Answer:

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Step-by-step explanation:

In your calculator just substitute 7 into t

8000 ×1.06 to the power of 7

8 0
2 years ago
A bag of marbles contains five red marbles three green marbles and six yellow marbles what is the probability of randomly choosi
maria [59]
That should answer ur question!

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2 years ago
If f(x) = 3x + 7, which of these is the inverse of f(x)?
dolphi86 [110]

Answer:

f-1(x)=x-7/3

Step-by-step explanation:

7 0
3 years ago
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