Let X and Y be continuous random variables with the following joint pdf: fxy (x, y) = { S Ax +1 +y < 1, ¤, y > 0 x +y < 1, x, y > 0 otherwise The value of A =

Q: To increase her endurance, a speed skater decides to include running as part of her workout. During…

A:

Q: Mr X's age is three times my age. The sum of our ages is 40. How old am I? How old is mr x?

A: Let Mr X’s age is x and my age is y.It is given that; Mr X’s age is three times my age.Implies that,

Q: Mr.Garcia plans to bike 3,000 miles from San Francisco to New York City. He wants to complete this…

A: Total distance = 3000 miles  No of days = 45 days

Q: John can finish a job alone in 5 hours. Jack can finish the same job alone in 6 hours. How long does…

A: John can finish a job alone in 5 hours. Jack can finish the same job alone in 6 hours.

Q: It took 4 hours to drive 240 miles at this rate how long does it take to drive 90 miles

A:

Q: Andrew can paint the neighbors house 5 times as fast as Bailey. The year Andrew and Bailey worked…

A: We have to find the number of days Andrew and Bailey will take individually to paint the house. Let…

Q: Megan has been planting young trees in her garden. One maple tree is 66 centimeters tall and is…

A: Solution

Q: Fahd's age is now twice the age of Faisal. If Fahd's age 6 years ago is equal to four times Faisal's…

A:

Q: The speed of sound is approximately 767 mph. A jet flew from LA to Tokyo, adistance of 5474 miles,…

A: Given, The speed of sound is approximately 767 mph A jet flew from LA to Tokyo, a distance of 5474…

Q: Maria's age is fifteen more than twice her daughter's age. Express Maria's age in terms of her…

A: Let Maria's daughter age is x year Then Maria's age is (2x +15) year Therefore Maria's age in terms…

Q: i can run 5 miles on one hour.At this rate,how long will it take me to run 7 miles?

A: I can run 5 miles on one hour. At this rate, how long will it take me to run 7 miles?

Q: Michele goes on a hike that will last 5 hours total. She brings 8 cups of water. After 1 hour, she…

A: given, Michele goes on a hike that will last 5 hours total.number of cups of water she brought = 8…

Q: Kristy

A:

Q: Chen's friend Alisa can ride 2 miles in 7 minutes. How long would it take for Alisa to ride 10 miles…

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: The sum of 3 consecutive integers is 225. Find the numbers.

A:

Equations and Inequations

Equations and inequalities describe the relationship between two mathematical expressions.

Linear Functions

A linear function can just be a constant, or it can be the constant multiplied with the variable like x or y. If the variables are of the form, x2, x1/2 or y2 it is not linear. The exponent over the variables should always be 1.