2. The four sides of a picture frame consist of two pieces selected from a population whose mean length is 30 cm with standard deviation 0.1 cm, and two pieces selected from a population whose mean length is 45 cm with standard deviation 0.3 cm. a. Find the mean perimeter. b. Assuming the four pieces are chosen independently, find the standard deviation of the perimeter.

Q: -y(0)-0, x(0) = 0, y (0) - em of differential equations can be e first order with the help of the…

A: Given as, x¨= y˙ -1 . , y¨=-x-2      u=x˙ and v=y˙       u˙=x¨  v˙=y¨

Q: help

A: Please refer to the image below

Q: A 25° 8 m

A: Here we will find side c and m<CAB,

Q: help me solve the problem number 10

A: This question can be solved using formula for reducing powers cos A2=1+cos(2A)2

Q: Find the positive number which gives the smallest answer when you add its square to 16 times its…

A: Let the number is x So,  when I add its square to 16 times its reciprocal, then I get: We have to…

Q: Ag Art A Wa TT

A: The weight of male babies less than 2months old in the US is normally distributed with mean…

Q: image of the solution is cropped at the bottom. can you send it again please

A: The image of the solution is not cropped. The solution is correct.

Q: How do you solve this problem?

A:

Q: How do I solve for this?

A: It is an important part of statistics . It is widely used .

Q: Solve for all of the parts that are mentioned.

A:

Q: please explain how to solve this problem

A: *used power rule

Q: Please show step by step solution for problem b

A:

Q: Given az Find

A:

Q: an more work be shown on how to solve this

A: By using a scalar projection to find the shortest distance from the point 1,-2, 5to the plane given…

Q: What is the slope of the line below? y 4 3 -5 -4 -3 -2 -1 1 2/3 4 5 -2 -3 -5 1/2 5. 2)

A:

Q: help me solve the other problems pl

A:

Q: Stage

A:

Q: I can not solve this equation, need nelp.

A: To determine the values of x, y and z satisfying the simultaneous equations

Q: how do we go about solving the last two parts?

A:

Q: (ve* +y)dx+(2xye* +1)dy = 0

A:

Q: Please help to solve part e. Thank you!

A:

Q: 2 ds ,2

A: