3 years ago

What's the value of (1/8)^-1/3

Mathematics

2 answers:

dem82 [27]3 years ago

8 0

Answer:

Step-by-step explanation:

(1/8)^-1/3 = (8)^1/3= ∛(8)= 2

forsale [732]3 years ago

7 0

Answer:

Step-by-step explanation:

You could easily punch this into a calculator.

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We have n = 100 many random variables xi 's, where the xi 's are independent and identically distributed bernoulli random variab

Alex777 [14]

Recall that for a random variable $X$ following a Bernoulli distribution $\mathrm{Ber}(p)$ , we have the moment-generating function (MGF)

$M_X(t)=(1-p+pe^t)$

and also recall that the MGF of a sum of i.i.d. random variables is the product of the MGFs of each distribution:

$M_{X_1+\cdots+X_n}(t)=M_{X_1}(t)\times\cdots\times M_{X_n}(t)$

So for a sum of Bernoulli-distributed i.i.d. random variables $X_i$ , we have

$M_{\sum\limits_{i=1}^nX_i}(t)=\displaystyle\prod_{i=1}^n(1-p+pe^t)=(1-p+pe^t)^n$

which is the MGF of the binomial distribution $\mathcal B(n,p)$ . (Indeed, the Bernoulli distribution is identical to the binomial distribution when $n=1$ .)

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3 years ago

If g(x) is the inverse of f(x) and f(x) = 4x+12, what is g(x)?

KatRina [158]

Your answer to the question would be g(x)=4x-3

8 0

3 years ago

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IrinaK [193]

Answer:

I think it's all of them :)

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3 years ago

Read 2 more answers

the length of a rectangle is 7 inches more than its width, if the perimiter of the rectangle is 66 inches, find its dimensions.

Maurinko [17]

Perimeter of rectangle=66
length of rectangle=L
width of rectangle=w
P of a rect.= 2(length)+ 2(width)
66= 2L+2w

if the length is 7in more than the width, then
L=7+w

Now we will substitute 7+w in for L. Here is our new equation:

66=2(7+w) + 2w

Solve for w

66=14+2w+2w
66=14+4w
52=4w
w=13
L=7+13, so L=20

I hooe this is explained well enough

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4 years ago

Please HELP!!! <br> Factoring Polynomial <br><br> 4x2 + 1x - 3

swat32

Answer:

(4x-3)(x+1)

Step-by-step explanation:

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3 years ago