Suppose that X is a normally distributed random variable with mean 12. If P(X>15)=0.3192 approximately what is o ?

Q: John can wash the family car in one hour. His sister can wash it in 45 minutes. How long will it…

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

A: Solution

Q: y = 3y tan x+2 %3D

A:

Q: Sara is 6 years older than her brother. In 5 years she wil be twice as old as her brother. What is…

A: suppose sara age=x     her brother age=y x=6+y.........1 in 5 years (X+5)=2(y+5)

Q: y - 2xy = 2xe %3D

A: Given differential equation is

Q: Emmy can type at a constant rate of 1 page every 4 minutes. If she has to type a 5-page article, but…

A: Emmy can write at a constant rate of 1 page in 4 minutes. Hence she will take 5 ×4 = 20 mins two…

Q: ー Hx %3D

A: 9x2 = 4x => 9x2 - 4x = 0 => x(9x - 4) = 0

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: Simon is a third of his dads age. In 12 years his dad will be twice as old as Simon. What are their…

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Q: solve for X 6x+7y=2

A: Given:

Q: The tank can be filled with water from two taps. The first tap fills the empty tank in 2 hours less…

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Q: 5 3x 10

A: Given:

Q: Solve S = 2Trh + 2nr2 for h

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.