16. The average income of 15 randomly selected families who reside in cities is $62,456, with a standard deviation is $9652. The average income of 11 randomly selected families who reside in rural areas in the Midwest is $60,213, with a standard deviation of $2009. Assume the population variances are not equal. At a = 0.10, is there sufficient evidence to support the claim that families who live in cities have a higher income than those who live in rural areas? Show all steps of the hypothesis test you conduct.

Q: 3-5(4x + 7)

A:

Q: x - 3 2- y 2. 7- 2x 4. 3 2.

A:

Q: 5. 3x + 4y = 12

A: A equation of a line with a and b as x and y intercepts respectively is given by,

Q: 1. ²-4 Difference of squares

A:

Q: 2) Use linearization to approximate the value of 7.99 +(7.99)².

A:

Q: 2y = 0, Xo = 0

A:

Q: similar: 2x 12. 12: y+ 4 20 15

A: Topic:- geometry

Q: Ч__3x т х-5 X2-4

A: Given,             4x-5+3xx2-4

Q: 13. 2 О -2 y X

A: A graph of the function is given.The aim is to find the equation of the function.

Q: 11x + 1 W

A:

Q: 3. Determine all the units of Z40 and of Z11.

A:

Q: 22. Differentiate. y = asinh x

A: Given,  y=xsinh x

Q: 4. 3. 2. 13. 8. x-3 x+5 15. tOL X 13

A: We want to find value of x.  In a circle let PQ and AB be two chords. Let they intersect at the…

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.