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balu736 [363]
3 years ago
6

Expand -8 to the 3rd power

Mathematics
1 answer:
BigorU [14]3 years ago
8 0
Use a calculator lollll
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Complete the steps in solving the quadratic function 7x – 9 = 7x2 – 49x by completing the square.
Lena [83]

Answer:

it's actually 28+/-√721/7

Step-by-step explanation:

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2 years ago
Diviseur de 63 et 67
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<span>Diviseur de 63 et 67</span>

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<span>0.94029850746</span>

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What is the radius of the base of the cone in the figure below?
liubo4ka [24]

Answer:  approximately 12.17 units

==========================================================

Work Shown:

We'll use the tangent ratio to find r

tan(angle) = opposite/adjacent

tan(49) = 14/r

r*tan(49) = 14

r = 14/tan(49)

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2 years ago
How do I do this!!!!!
Readme [11.4K]

The expected values of the binomial distribution are given as follows:

1. 214.

2. 21.

3. 31.

<h3>What is the binomial probability distribution?</h3>

It is the <u>probability of exactly x successes on n repeated trials, with p probability</u> of a success on each trial.

The expected value of the binomial distribution is:

E(X) = np

For item 1, the parameters are:

p = 3/7, n = 500.

Hence the expected value is:

E(X) = np = 500 x 3/7 = 1500/7 = 214.

For item 2, the parameters are:

p = 0.083, n = 250.

Hence the expected value is:

E(X) = np = 250 x 0.083 = 21.

For item 3, the parameters are:

p = 1/13, n = 400.

Hence the expected value is:

E(X) = np = 400 x 1/13 = 31.

More can be learned about the binomial distribution at brainly.com/question/24863377

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2 years ago
In a group of 35 students, 11 study both Art and Biology 11 study Biology but not Art. 10 study neither subject. Given that a ra
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Answer:

I did not now but anobody help you l bless you someone help

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3 years ago
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