3 years ago

HELP WITH THIS QUESTION??

Mathematics

1 answer:

NikAS [45]3 years ago

7 0

Answer:

Step-by-step explanation:

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at a sport banquett 8 guests are seated at each of the 15 tables how many guests (x) are seated at the table

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120

Step-by-step explanation:

15x8=120 so that the answer

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an experiment consists of flipping a fair coin 4 times. What is the probability of obtaining at least one head?

Dvinal [7]

$\mathbb P(X\ge1)=1-\mathbb P(X=0)$

The probability of getting 0 heads in 4 tosses (or equivalently, 4 tails) is $\dfrac1{2^4}=\dfrac1{16}$ .

So the desired probability is

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The numbers in the diagram below indicate the lengths of the sides of a triangle. Bernadette drew the following triangle and cla

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Step-by-step explanation:

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3 years ago

Solve n3 + 2n2 - 15n = 0 by factoring.

azamat

N³ - 2n² - 15n = 0

"n"

n (n² + 2n - 15) = 0

n = 0

n² + 2n - 15 = 0

Δ = (2)² - 4(1)(-15)
Δ = 4 + 60 = 64

n' = (-2+8) / 2 = 6/2 =3
n'' = (-2-8) / 2 = -10/2 = -5

Solution:

S {-5 , 0 , 3 }

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