Suppose a varies directly as 2b. (a) Express a in terms of k and b. (where k is the variation constant) (b) When a = 4, b= 16. Find the value of a when b = 32.

Q: The variable s varies jointly with t and u such that s = 7 when t = 4 and u =3. What is the constant…

A: Given that the variable s varies jointly with t and u such that s = 7 when t = 4 and u =3. We need…

Q: can you solve this? y varies directly as x. if y =10 when x = 4. What is the constant of…

A: Solution of the problem as follows

Q: y varies directly as z and y = 192 when z = 16. Find y when z is 13.

A:

Q: Martina wants to canoe on the Lamine River 24 km upstream and 36 km downstream. Her rate in still…

A: Step 1:Step 2:

Q: Identify the constant of variation and equation for the inverse variation. {(1,9), (-1,-9),…

A: According to the problem

Q: The equation M(x,y) = 73 +0.8x -0.9y gives the mileage (in mpg) of a new car as a function of tire…

A:

Q: 4. Let c vary directly as d. If c = 210 when d = 35, what is the equation of variation?

A:

Q: Given that y varies directly as the square root of x and y = 6 when x = 9, find the variation…

A: It is given that y varies directly as the square root of x, thus the equation formed is- y=cx where…