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Serjik [45]
4 years ago
11

Please help!!! ***This is multiple choice!

Mathematics
1 answer:
svet-max [94.6K]4 years ago
5 0

Answer:

0.6

Step-by-step explanation:

A probability is the likelihood of an event occurring. A probability function is a function in which at any point, its probability value can be estimated. The integral of the probability function is always ≤ 1

To find the probability that x = 2 or 3, we simply add their respective individual probabilities, therefore:

P(X = 2 or 3) = P(X = 2) + P(X = 3) = P(2) + P(3) = 0.5 + 0.1 = 0.6.

P(X = 2 or 3) = 6

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I know that: the first term of the sequence is -2, and the fifth term is - 1/8 . What is the 2nd term, 3rd term 4th term do you
Murljashka [212]

Solution

Here the first term = -2

5th term = -1/8

Now we have to find the common ratio (r)

Fifth term A5 = -1/8

-1/8 =a_{1} r^{4}

Here a_{1} = -2

Plug in a_{1}  = -2 in the fifth term and find the value of r.

-1/8 = -2r^{4}

r^{4} = \frac{-1/8}{-2}

r^{4} = \frac{1}{16}

Taking 4th root, we get

r = \frac{1}{2}

Now let's find the second term.

a_{2} = first term *r = -2 *1/2 = -1

2nd term = -1

3rd term = second term * 1/2 = -1 * 1/2 = -1/2

4th term = 3rd term *r = -1/2 *1/2 = -1/4

Thank you :)

6 0
3 years ago
X + y = 3k x - y = k The solution of the system shown is _____.
VashaNatasha [74]
First, you have  x+y= 3k, x-y= k     and what you need to do now is eliminate the y's because they have the same sign (- and +). So now you have x= 3k, x=k. You so then you add the x with the other x (2x) and the 3k with the k (4k). Now you have 2x = 4k , which is the same as x = 2k. Now that you now x in terms of k, you can put it in the very first system, like this: 2k+y=3k, 2k-y=k. If you solve them, first one and then the other, you will get the same result: y=k.

So, you can say that x=2k and k=y. 
Hope that was helpful, have a good day! :))
                                                                                     
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3 years ago
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Answer:

so what should we do for it

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scZoUnD [109]
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3 years ago
A child tosses a baseball up into the air. On its way down, it gets caught in a tree for several seconds before falling down to
Ksivusya [100]

Answer:

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Step-by-step explanation:

5 0
3 years ago
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