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Harlamova29_29 [7]
4 years ago
8

What's P(A and B) mean

Mathematics
1 answer:
il63 [147K]4 years ago
6 0
Answer: It expresses that the probability of those two independent events, is the product of the two individual probabilities.
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If a=2i+4j, b=2i-5j.What is the vector equation of line AB?.
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Answer:

9j

Step-by-step explanation:

vector AB means going to B from A.

= pos. final - pos. initial

= pos.B - pos.A

= (2i + 4j) - (2i - 5j)

= 2i + 4j - 2i + 5j

= 9j

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For what real values of $c$ is $x^2 - 8x + c$ the square of a binomial?
nikklg [1K]

Value of c is 16 for which equation  f(x) = x^2-8x+c  is a square of binomial !

<u>Step-by-step explanation:</u>

Here we meed to find the value of c for which equation f(x) = x^2-8x+c or ,  f(x) = x^2-8x+c is a square of a binomial . Let's find out:

We know that

⇒ (x-a)^2 = x^2-2(a)(x)+a^2   ..........(1)

Let's simplify given equation in question

⇒ f(x) = x^2-8x+c

⇒ f(x) = x^2-2(4)x+c

Comparing this equation with (1) we get :

a=4 , c=a^2

⇒ c=a^2

⇒ c=4^2

⇒ c=16

Therefore , Value of c is 16 for which equation  f(x) = x^2-8x+c  is a square of binomial !

5 0
3 years ago
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