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Butoxors [25]
3 years ago
14

Please help im not good at math :(

Mathematics
2 answers:
Alexandra [31]3 years ago
4 0
Not sure about the mixed number part but the answer as a simplified fraction is 68/7425
erastova [34]3 years ago
3 0

Answer:

don't know

Step-by-step explanation:

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PLEASEEEEEE HELP!!
elena-s [515]

Answer:

ya 5x is the right anwser

3 0
3 years ago
Hello Brainly Teacher Brainly Moderators and trusted helpers!​
tatyana61 [14]

Answer:

  • P(x < 84) = 0.3085 or approximately 31%

============

<em>Hello to you from Brainly team!</em>

<h3>Given</h3>

  • Mean grade μ = 86,
  • Standard deviation σ = 4,
  • Grade limit x = 84.

<h3>To find </h3>

  • Probability of that a randomly selected grade is less than 84 or P(x < 84).

<h3>Solution</h3>

Find z-score using relevant equation:

  • z = (x - μ)/σ

Substitute values and calculate:

  • z = (84 - 86)/4 = - 0.5

Using the z-score table find the corresponding P- value.

  • P(x < 84) = 0.30854 or approximately 31%
4 0
2 years ago
(z + 3)2<br> Draw me an area that shows the expression
mario62 [17]

Answer: 2z + 6

Step-by-step explanation: Distribute the 2 to z and 3.

7 0
3 years ago
When working with the square root of a number, when would you have only a positive answer and when would you have both a positiv
Rama09 [41]
<span>Lets make it clear: You would have a positive answer when the value you are looking for has to be a positive number. On the other hand you would have a positive and a negative answer when you take the square root of something that doesn't have to be positive. it could be either because when a negative number is squared it becomes positive and when a positive number is squared it stays positive as well.</span>
8 0
3 years ago
This subject is on integers
antoniya [11.8K]

Answer:

|-8| = 8

Step-by-step explanation:

legit just the opposite of the integer.

8 0
3 years ago
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