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Nady [450]
3 years ago
11

Find the equation of the line passing through the points (2, 1) and (5, 10). y = [? ]x + ( )

Mathematics
1 answer:
neonofarm [45]3 years ago
6 0
Hope that kinda helps you.✌︎︎✍︎︎

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a statistics professor finds that when she schedules an office hour for student help, an average of 2.4 students arrive. find th
Tanzania [10]

Answer:

P=0.2613

Step-by-step explanation:

-Notice that this is a poison probability distribution problem.

-The Poisson probability function is expressed as:

P(X=x)=\frac{\lambda^x e^{-\lambda}}{x!}

where:

  • x=0,1,2,3
  • e Euler's constant
  • \lambda =mean number of occurrences.

Given that x= 2 and \lambda=2.4, the probability is calculated as:

P(X=2)=\frac{\lambda^xe^{-\lambda}}{x!}\\\\=\frac{2.4^2e^{-2.4}}{2!}\\\\\\=0.2613

Hence, the  probability that in a randomly selected office hour, the number of student arrivals is 2 is 0.2613

5 0
3 years ago
Find the value of x and round to the nearest tenth.
Hoochie [10]

Answer:

should be 1213

Step-by-step explanation:

27×27=728

22×22=485

729+485= 1213

4 0
3 years ago
11. What's one way we can check our answer to 2
Oliga [24]

Answer:

20 ÷ 10 = 2

or

20 ÷ 2 = 10

Step-by-step explanation:

multiplication is the opposite of division

7 0
3 years ago
The following is a student’s work when solving for y. There is a mistake in the work. What is the mistake? What is the correct a
laila [671]

Answer:

Part 1

The mistake is Step 2: P + 2·x = 2·y

Part 2

The correct answer is

Step 2 correction: P - 2·x = 2·y

(P - 2·x)/2 = y

Step-by-step explanation:

Part 1

The student's steps are;

Step 1; P = 2·x + 2·y

Step 2: P + 2·x = 2·y

Step 3: P + 2·x/2 = y

The mistake in the work is in Step 2

The mistake is moving 2·x to the left hand side of the equation by adding 2·x to <em>P </em>to get; P + 2·x = 2·y

Part 2

To correct method to move 2·x to the left hand side of the equation, leaving only 2·y on the right hand side is to subtract 2·x from both sides of the equation as follows;

Step 2 correction: P - 2·x = 2·x + 2·y - 2·x = 2·x - 2·x + 2·y = 2·y

∴ P - 2·x = 2·y

(P - 2·x)/2 = y

y = (P - 2·x)/2

7 0
2 years ago
What are the next geometric sequences? The calculator won’t seem to give right answers
dalvyx [7]
5. the numbers are being multiplied by 4 each time, so the geometric sequence would be

an= 1/2(4) ^(n-1)

6. the numbers are being multiplied by 1/4 each time, so the geometric sequence would be

an= 32(1/4)^(n-1)

an in the formula is what ever term in the sequence.
32 or 1/2 is the a which is the first term in the sequence.
4 or 1/4 is the r in the sequence because it is the common ratio so what the equation was multiplied by to get the next term.
(n-1) is because when you are using this equation to solve for whatever term (an) you must subtract the first number in the sequence to get an accurate number

an you can input whatever number when trying to solve.
6 0
3 years ago
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