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3 years ago

SERIOUS ANSWERS ONLY PLZ

Mathematics

1 answer:

statuscvo [17]3 years ago

5 0

Answer:

The standard deviation of the uniform distribution is:

σ=(b−a)/√12

U(3, 12)

σ = (12−3)/√12 = 9/√12 = 2.5981

U(80, 250)

σ = (250−80)/√12 = 170/√12 = 49.0748

U(4, 93)

σ = (93−4)/√12 = 89/√12 = 25.6921

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Alex787 [66]

Answer:

Both situations have the same rate of change

3 miles/hr

Step-by-step explanation:

situation 1

"3 miles in one hour" = 3 miles/hr

situation 2

"6 miles in two hours" = 6 miles / 2 hours =6/2 miles/hr = 3 miles./hr

Hence both are the same

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2 years ago

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3 years ago

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2 years ago

The school system is trying to help their students be more successful. They are going to hire tutors to help. They must have mor

dexar [7]

Answer:

a. $x-y > 0$

b. $x+y \leq 50$

c. x=26; y=24 or (24,26)

Step-by-step explanation:

Let x = number of teachers hired.

Let y = number of tutors hired.

Now solving for part a we get

a. Write an inequality that represents the statement that the number of teachers hired must exceed the number of tutors hired.

$x-y > 0$

solving for part b we get;

b. Write an inequality that represents the statement that the maximum number of teachers and tutors is 50.

$x+y \leq 50$

solving for part c we get;

c. Choose a point that satisfies the situation, and explain why you chose that number of tutors and teachers.

Now we know that $x-y > 0$ also $x+y \leq 50$

x=26; y=24

(24,26)

Explanation: To make number of teacher more than number of tutors this is the maximum value we can achieve for the requirement.

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3 years ago