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Alika [10]
3 years ago
6

What is the x of x^2-7x-30=0

Mathematics
1 answer:
Alexxx [7]3 years ago
7 0
The 'x' in x^2-7x-30=0 is 4.
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A survey of high schools offering honors classes to ninth graders reveals that 38% of the high schools offer no honors classes,
Greeley [361]

Using the discrete distribution, it is found that the probability that it offers an even number of honors classes is of 0.68.

<h3>What is the discrete probability distribution?</h3>

The distribution for the number of honors classes the school offers is given by:

  • P(X = 0) = 0.38
  • P(X = 1) = 0.12.
  • P(X = 2) = 0.25.
  • P(X = 3) = 0.2.
  • P(X = 4) = 0.05.

Hence the probability of an even number is given by:

P(even) = P(X = 0) + P(X = 2) + P(X = 4) = 0.38 + 0.25 + 0.05 = 0.68.

More can be learned about discrete probability distributions at brainly.com/question/24802582

#SPJ1

3 0
2 years ago
What is 32/1 divided by 1/6 i need help this is for my project DUE tomorrow please help!!!!
SCORPION-xisa [38]
32/1 divided by 1/6

Use "Keep, Change, Flip"
32/1 * 6/1

The answer is 192
3 0
3 years ago
Joe is arranging video games on shelves. He has 48 playstation games and 36 xbox games, Each shelf will have the same number of
Nat2105 [25]

Answer:

2 shelves

3 shelves

4 shelves

6 shelves

12 shelves

Step-by-step explanation:

playstation games = 48

xbox games = 36

Each shelf will have the same number of playstation and xbox games.

Find the common multiples of 48 and 36

48 = 2, 3, 4, 6, 8, 12, 16, 24, 48

36 = 2, 3, 4, 6, 9, 12, 18, 36

The common multiples are 2, 3, 4, 6, and 12

Therefore, the possible number of shelves Joe will use is

2 shelves

3 shelves

4 shelves

6 shelves

12 shelves

4 0
3 years ago
Needdddd help on thissss
inn [45]

Answer:

Chose forth and fifth answer

7 0
3 years ago
Which one is the right one?
Sergio039 [100]

Answer: b

i did it in my head and it will be too hard to tell you guys sorry

4 0
3 years ago
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