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azamat
3 years ago
15

Find the slope of the line ​

Mathematics
1 answer:
Tju [1.3M]3 years ago
7 0

Explanation:

The slope formula: y/x

Answer:

1/3

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Sergio is working on a research project involving the ages of students at Brooklyn College. After interviewing 500 students, he
Zinaida [17]

Answer:

The probability of of a randomly chosen student being exactly 21 years old.

= 1.293

Step-by-step explanation:

<u><em>Step(i):-</em></u>

<em>Given Population  size n = 500</em>

<em>Mean of the Population = 20 years and 6 months</em>

<em>                                        = </em>20 + \frac{6}{12} = 20 +0.5 = 20.5 years<em></em>

<em>Standard deviation of the Population = 2 years</em>

Let 'X' be the range of ages of the students on campus follows a normal distribution

Let   x =21

            Z = \frac{x-mean}{S.D}

            Z = \frac{x-mean}{S.D} = \frac{21-20.6}{2} =0.2

<em>The probability of a randomly chosen student being exactly 21 years old.</em>

<em>P( Z≤21) =  0.5 + A( 0.2) </em>

            = 0.5 +0.793

           =  1.293

           

6 0
3 years ago
Which expression represents four less than half a number, n? (show your work)
ikadub [295]
The answer is 1/2n-4

Multiplying a number n by 1/2 is the same as dividing that number by 2.
5 0
2 years ago
Read 2 more answers
...
ICE Princess25 [194]

Answer:-5

Step-by-step explanation:

i could be wrong i used my calculator

4 0
2 years ago
I need help what is this?
zhuklara [117]

Answer:

picture from Goldbach's conjecture.

Step-by-step explanation:

Goldbach's conjecture is one of the oldest and best-known unsolved problems in number theory and all of mathematics. It states:

Every even integer greater than 2 is the sum of two primes.

The conjecture has been shown to hold for all integers less than 4 × 10^18, but remains unproven despite considerable effort.

So on the red and blue axes you see primes. The list of black numbers are even numbers.

8 0
3 years ago
Read this carefully please!
Vikentia [17]

Answer:

A. X=3

B. X=19/5

That the answer for your question.

Step-by-step explanation: Hope this help :D

5 0
2 years ago
Read 2 more answers
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