Interpretation, Interpretation A high value of r as +0.9 or - 0...

Interpretation A high value of r as +0.9 or - 0.9 only shows a strong association among the two variables but doesn't imply that there is a causal relationship that is

Binomial expansion, Expand (1- 1/2x -x^2)^9

Expand (1- 1/2x -x^2)^9

What was the temperature at midnight, The temperature at 6 P.M. was 31°F. T...

The temperature at 6 P.M. was 31°F. Through midnight, it had dropped 40°F. What was the temperature at midnight? Visualize a number line. The drop from 31° to 0° is 31°. There

D, similar triangles diagram

similar triangles diagram

Cenamatic, a tire placed on a balancing machine in a service station starts...

a tire placed on a balancing machine in a service station starts from rest an d turns through 4.7 revolutions in 1.2 seconds before reaching its final angular speed Calculate its a

Determine the second derivative of q (t ) = sec (5t ), Determine the secon...

Determine the second derivative for following functions.                             Q (t ) = sec (5t ) Solution : Following is the first derivative.              Q′ (t

Prove the parallelogram circumscribing a circle is rhombus, Prove that the ...

Prove that the parallelogram circumscribing a circle is rhombus. Ans   Given : ABCD is a parallelogram circumscribing a circle. To prove : - ABCD is a rhombus or AB

Arithmetic sequences and series,

Probability questions, The probability that a person will get an electric c...

The probability that a person will get an electric contract is 2/5 and the contract that he will not get plumbing  contract is 4/7.If the probability of getting at least one contra

Local maxima, Given that f(x,y) = 3xy -  x 2 y  - xy 2 . Find all the poin...

Given that f(x,y) = 3xy -  x 2 y  - xy 2 . Find all the points on the surface z = f(x, y)where local maxima, local minima, or saddles occur