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Sergeu [11.5K]
1 year ago
6

What is the method used when the objective is to determine the cause and effect relationship of a certain phenomenon under contr

olled condition?
Mathematics
1 answer:
jenyasd209 [6]1 year ago
5 0

Answer: A

Explaination:
The cause and effect relationship of a certain phenomenon under controlled condition

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Svetach [21]
4.8 feet?
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3 0
3 years ago
The total revenue from the sale of a popular book is approximated by the rational function, R(x)=1100x^2/x^2 + 4 where x is the
vazorg [7]

Answer:

The answer is below

Step-by-step explanation:

The total revenue from the sale of a popular book is approximated by the rational R(x) = 1100x^2/x^2 + 4, where x is the number of years since publication and the total revenue in millions of dollars. Use this function to complete parts a through d. (a) Find the total revenue at the end of the first year. $ million (b) Find the total revenue at the end of the second year. $ million (c) Find the domain of function R. Choose the correct domain below. {x | x is a real number and x greaterthanorequalto 0} {x | x is a real number and x lessthanorequalto 5} {x | x is a real number and x notequalto 2, x notequalto 5} {x | x is a real number and x notequalto 2}

Solution:

Revenue is the total money made from the selling of a product or item.

a) Given the revenue function:

R(x)=\frac{1100x^2}{x^2+4}

At the end of the first year (i.e. x = 1), the venue is given as:

R(1)=\frac{1100(1)^2}{(1)^2+4} =220\\\\R(1)=\$ 220\ million

b) At the end of the second year (i.e. x = 2), the venue is given as:

R(2)=\frac{1100(2)^2}{(2)^2+4} =220\\\\R(2)=\$ 550\ million

c) The domain of the function is the value of the denominator for which the value of the denominator is not zero

x² + 4 ≠ 0

The domain is {x| x is a real number and x ≥ 0}

3 0
2 years ago
Evaluate and Explain<br><br> 3t(t+2)-3t^2 for t=19<br> and<br> Simplifiy <br> -(3a-2b)-3(-a-b)
Yuri [45]
1 )  3 t ( t + 2 ) - 3 t² =
= 3 t² + 6 t - 3 t² = 6 t = 6 · 19 = 114

2 ) - ( 3 a - 2 b ) - 3 ( - a- b ) =
= - 3 a + 2 b + 3 a + 3 b = 5 b
5 0
2 years ago
Please I need answer
Nastasia [14]

Answer:

I'm not 100% sure but I believe the answer is (B)

Step-by-step explanation:

3 0
2 years ago
Determine whether the question
KiRa [710]
"<span>How much did your classmates typically spend on music downloads last year?" is a statistical question, and the units would </span>be both the number of students and how many downloads each individual bought.
4 0
2 years ago
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