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8090 [49]
3 years ago
11

What is the measure of angle x?

Mathematics
2 answers:
Zigmanuir [339]3 years ago
8 0
I need the picture in order to see what angle x is :)
nadya68 [22]3 years ago
5 0
It would be 97 degrees :)
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Westkost [7]
 the answer is Probably C.

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3 years ago
Determine if the linear system
zubka84 [21]

Answer:

b. The system is not in echelon form because the system is not organized in descending "stair step" pattern so that the index of the leading variables increases from the top to bottom.

Step-by-step explanation:

The given linear system has a equation which is not in echelon form. The echelon is a system which divides the data into rigid hierarchal groups. The given linear equation in not in echelon form as the leading variables are increased from top to bottom indicating descending stair step pattern.

4 0
3 years ago
Let the probability of success on a Bernoulli trial be 0.26. a. In five Bernoulli trials, what is the probability that there wil
andreyandreev [35.5K]

Answer:

0.3898 = 38.98% probability that there will be 4 failures

Step-by-step explanation:

A sequence of Bernoulli trials forms the binomial probability distribution.

Binomial probability distribution

The binomial probability is the probability of exactly x successes on n repeated trials, and X can only have two outcomes.

P(X = x) = C_{n,x}.p^{x}.(1-p)^{n-x}

In which C_{n,x} is the number of different combinations of x objects from a set of n elements, given by the following formula.

C_{n,x} = \frac{n!}{x!(n-x)!}

And p is the probability of X happening.

Let the probability of success on a Bernoulli trial be 0.26.

This means that p = 0.26

a. In five Bernoulli trials, what is the probability that there will be 4 failures?

Five trials means that n = 5

4 failures, so 1 success, and we have to find P(X = 1).

P(X = x) = C_{n,x}.p^{x}.(1-p)^{n-x}

P(X = 1) = C_{5,1}.(0.26)^{1}.(0.74)^{4} = 0.3898

0.3898 = 38.98% probability that there will be 4 failures

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kiruha [24]

Answer:

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2(k-5)=-2k+6

/2. /2

k-5=-k+3

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2k-5=3

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2k=8

/2. /2

k=4

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Pls help me! (question is in the picture)
Savatey [412]

Answer:

getting the wrong answer or not using the correct symbols

Step-by-step explanation:

4 0
3 years ago
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