normal distribution question

Attendance at large exhibition shows in Denver averages about 7900 people per day, with standard deviation of about 500. Assume that the daily attendance figures follow a normal distribution.... more

Study Island Help

Dr. Peabody shot a rocket off the roof of a 42-foot tall building. After three seconds, the rocket reached its highest point of 96 feet.Model this situation with a quadratic function, and use the... more

01/30/21

Finding the base and height of a triangle by the area

The area of a triangle is 64 square centimeters. If both the base and height are doubled, what is the new area?

f(x)= radical sign (6x-30) for the domain [5,∞)

Find f^-1(x) where f−1 is the inverse of fAlso state the domain of f^-1 in interval notationf^-1(x) = _ for the domain _

01/30/21

Completely simplify the following expression and indicate the restrictions on the variable x

Expression:https://photos.app.goo.gl/GxS1oif7SYFyAEJb8I don't understand. Doesn't the expression equal to 1? So that means that I can't simplify it and find the restrictions on x, right?? My brain... more

01/29/21

How many solutions does this have?

x3=-xA) 1B) 2C) 3D) non of the above

p(x)=2x + 2 q(x)= -2x^2 + 1

(q • p)(-1) =(p • q) (-1) =It’s finding the composition of two functions.

01/28/21

what are the statements and reasons?

given: Quadrilateral ABCD = Quadrilateral EFGH; AD = CD Prove: AD = GH what is the statement and reason?

How do you solve this problem?

The length L (in millimeters) of an antelopes bone can be modeled by the equation: L=24.1d^(2/3)where d is the diameter (in millimeters) of the nail. What is the diameter of an antelopes bone that... more

01/28/21

trigonometry word problem

Terence is enjoying an ice cream cone as he rides on a Ferris wheel that has a diameter of 65 feet. The Ferris wheel is turning at a constant rate. Terence notices that it takes 7 minutes to go... more

01/25/21

I need the exact statement for this proof so I can put it on deltamath!plz help

Given: ∠ABD≅∠BDEprove: ∠CBD≅∠CDB. C /\ / \ Note: AC and CE are segments ... more

01/25/21

Can I get help on this question

Two fishing boats leave the same dock at the same time. One boat travels at a speed of 15 km/h, and theother boat travels at a speed of 18 km/h. After 45 min, the boats are 14 km apart. Assuming... more

01/25/21

please help me!!!

sandra wrote the sequence 3,6,11,18,27,...what explicit expression can be used to find the nth term of this sequence?

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