Directions: Find (by inspection) the expected value and variance of the exponential random variable with the density function given below. 1. Expected Value: E(X) 2. Variance: Var (X) = f(2)=1/12e-²/2

Q: -3(4x + 3)+ 4(6x+1) = 43 %3D

A:

Q: 3(4)0* =21

A:

Q: How do you solve 7 x 2/3

A:

Q: Anthony is trying to calculate 2 x 5/7 . He makes a math drawing as in this figure and concludes…

A: This reasoning completely violates the rules of operations on fractions.

Q: 12. 5 In(3x) dx 5ln (3x) + C 4

A:

Q: 3/4x20=5/6x?

A: Solution : To find the missing value of the given expression

Q: How is 1/2 (x+5)-4=1/3 (2x-1) solved for an answer?

A: The given equation is 1/2(x+5) -4 = 1/3(2x-1).

Q: W = 40p + 1.5p (t - 40) for t (payroll accounting)

A:

Q: -1/5 x -1 2/4

A: Given equation is

Q: -1/2(6p+16)=7

A: -1/2(6p+16)=7

Q: 3(5+2x) = 45 + 8x

A: We will find the value of x.

Q: x/2+x/5=5/4

A: Given,

Q: Victor is ordering pizzas for a party he would like to have 1/4 of a pizza for each guest he can…

A: Given that Victor expects 27 guests. He would  like to have 14 of a pizza for each guest .

Q: 26 x 212 = (2*)2 %3D

A: For the given expression it is required to find the value of x.

Q: find the constant term of (2x² + 1/x)⁹

A: find the constant term of (2x² + 1/x)⁹

Q: i= (2,-1) Suppose %3D and Find 3 - 2ui.

A: Given vector

Q: 2 x 4/7

A: The correct answer is as below:

Q: what is 2x1/2x 3/4 =

A:

Q: Josh live 1 4/5 miles from the park. So far he walked 2/3 of the distance from his house to the…

A: Here we have to find out the how many distance josh walk

Q: If 1/6 of x - 7/2 of 3/7 equals - 7/4, then the value of x isA -1.5B 3C -2.5D 6

A:

Q: a + 1/3 = 4  3/4  what does a =

A: Consider  a+13 =434

Q: (1-3x)/4)=(x+6/3)+1/2

A: LCM of 4,3,2 is = 12We multiply both side by 12 and distribute.

Q: d) Solve (0.8x?y³z– 0.6xy²z² +0.4y²) + (0.2y²)

A:

Q: Solve (2y + 5)dx = 6dy O a. x = 12In(2y+ 5)+ c O b. y = 3In(2x+5) + c C.x =-In(2y +5) + c O d. x =…

A: Given (2y+5)dx = 6dydx6 = dy2y+5

Q: S7=1−1/√2+1/2−12/√2+14−14/√2+1/8.

A: Given:

Q: E y= (4x²-5)* (3x-2)

A:

Q: Simplify and solve the following V 72 2

A: We have to simplify and solve the given problem

Q: 3/4 x -3 = 18

A: The given equation is 34x-3=18 We solve the equation and find the value of the unknown variable x

Q: Y + 7 = 4/3 (x -4)

A: We have to find the slope of the given line also graph the line in coordinate planes.

Q: Solve by factorization X/x+1 + x+1/x=5/2

A:

Q: x = [?] 4x + 4 4x - 32

A: Solution of given question is written in below step.

Q: 16xydx- 24ydy = -8x²dy %3D

A: The given differential equation can be written as:16xy−24yy' =−8x2y' An ODE Mx, y+Nx, yy'=0 is in…

Q: Which value of x is the solution of x/3 + x+1/2 = x? The slashes are the fraction

A:

Q: (15x - 8) 226

A: Given,