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Irina18 [472]
3 years ago
8

What is the measurement of YVX?​

Mathematics
1 answer:
son4ous [18]3 years ago
8 0

Answer:

the measurement of YVX is 88°

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Steve makes the tree diagram shown below to find the possible outcomes of tossing a penny, a nickel, and a dime. What is the pro
kirza4 [7]
The answer is B) 1/4.

There are 2 outcomes in his tree that have all coins with the same side up:  HHH and TTT.  There are 8 total outcomes.  This makes the probability 2/8 = 1/4.
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I think the answer is shelter B
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3 years ago
Which function is represented by the graph?
Gala2k [10]

Answer:

-4,-1

Step-by-step explanation:

ok i got your numbers just find the equation for them your first number is -4,-1 try to find equation for those numbers x is -4 and y is -1

x=-4

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6 0
2 years ago
Which is equivalent to ? Please help asap
vova2212 [387]

Answer:

d

Step-by-step explanation:

Using the rule of exponents

\frac{a^{m} }{a^{n} } = a^{(m-n)} , then

\frac{2^{12} }{2^{3} } = 2^{(12-3)} = 2^{9}

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2 years ago
A k out of n system is one in which there is a group of n components, and the system will function if at least k of the componen
Solnce55 [7]

Answer:

0.9606 = 96.06% probability that the system will function tomorrow

Step-by-step explanation:

For each component, there are only two possible outcomes. Either it works, or it does not. Components are independent. This means that we use the binomial probability distribution to solve this question.

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.

Probability of a component working:

0.7 of 0.2(rain)

0.9 of 1 - 0.2 = 0.8(no rain). So

p = 0.7*0.2 + 0.9*0.8 = 0.86

0.86 - 86% probability that the system will function tomorrow

6 components:

This means that n = 6

What is the probability that the system will function tomorrow

This is

P(X \geq 4) = P(X = 4) + P(X = 5) + P(X = 6)

In which

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

P(X = 4) = C_{6,4}.(0.86)^{4}.(0.14)^{2} = 0.1608

P(X = 5) = C_{6,5}.(0.86)^{5}.(0.14)^{1} = 0.3952

P(X = 6) = C_{6,6}.(0.86)^{6}.(0.14)^{0} = 0.4046

P(X \geq 4) = P(X = 4) + P(X = 5) + P(X = 6) = 0.1608 + 0.3952 + 0.4046 = 0.9606

0.9606 = 96.06% probability that the system will function tomorrow

6 0
2 years ago
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