Neliswa Dlamini 2022-05-21
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asked 2020-12-30

A majorette in a parade is performing some acrobatic twirlingsof her baton. Assume that the baton is a uniform rod of mass 0.120 kg and length 80.0 cm. 
With a skillful move, the majorette changes the rotation ofher baton so that now it is spinning about an axis passing throughits end at the same angular velocity 3.00 rad/s as before. What is the new angularmomentum of the rod?

asked 2020-12-12
Ozone The Environmental Protection Agency is examin- ing the relationship between the ozone level (in parts per million) and the population (in millions) of U.S. cities.
Part of the regression analysis is shown.
Dependent variable is: Ozone
R-squared =84.4%
s=5.454 with 162=14 df
Variable Coefficient SE(Coeff)
Intercept 18.892 2.395
Pop 6.650 1.910
a) We suspect that the greater the population of a city, the higher its ozone level. Is the relationship significant? Assuming the conditions for inference are satisfied, test an appropriate hypothesis and state your conclu- sion in context.
b) Do you think that the population of a city is a useful predictor of ozone level? Use the values of both R2 and s in your explanation.
asked 2021-10-14
Evaluate the following integrals.
3x2+2x+3x4+2x2+1dx
asked 2022-05-13
How to formulate a transformation matrix for the following operation? Like all the examples I found are different and I can't understand how to solve this problem:
y = A . X y = ( y 1 y 2 ) x = ( x 1 x 2 ) ( y 1 y 2 ) = ( x 1 x 2 ) ( x 1 , x 2 ) = ( x 1 , x 2 )
asked 2021-10-21
Find or evaluate the integral.
(x3+3)lnxdx
asked 2021-11-03

Suppose f is a differentiable function of x and y, and 

g(rs) = f(2r − ss2 − 7r).

 Use the table of values below to calculate 

gr(4, 3)

 and 

gs(4, 3).

    f     g     fx     fy  

  (5, −19)  

4

9

7

1

  (4, 3)  

9

4

5

2

 

gr(4, 3)  =   
gs(4, 3)  = 
Suppose f is a differentiable function of x and y, and 

g(rs) = f(2r − ss2 − 7r).

 Use the table of values below to calculate 

gr(4, 3)

 and 

gs(4, 3).

    f     g     fx     fy  

  (5, −19)  

4

9

7

1

  (4, 3)  

9

4

5

2

 
gr(4, 3)  =   
gs(4, 3)  = 
Suppose f is a differentiable function of x and y, and 

g(rs) = f(2r − ss2 − 7r).

 Use the table of values below to calculate 

gr(4, 3)

 and 

gs(4, 3).

    f     g     fx     fy  

  (5, −19)  

4

9

7

1

  (4, 3)  

9

4

5

2

 
gr(4, 3)  =   
gs(4, 3)  = 

 

 

 

asked 2022-04-10
With f ( x ) = e 4 x + 1 and g ( x ) = 7 x 2 + 5, find the derivative of the compostion f(g(x)).

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