Answer:


Step-by-step explanation:

Multiply both sides of the equation by 5.
5 ·
·
5 · 4
Simplify both sides of the equation.

Subtract 10 from both sides of the equation.

Divide each term by 2 and simplify.

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Substitute x for 6

Multiply 3 · 6

Add 18 + 9

Divide
÷ 27
9 = 9
In cylindrical coordinates, we take



so that
.
We have

and the integral is

Answer:
Hi
If u haven't given the pic it would be easy.
Thanks.
^ - ^
Let y directly proportional to X
thus y = CX
where c is proportionality constant
given c= 9
thus y = 9x