Hamburgers and spaghetti are preferred almost equally.
Answer:
Its r=7
Step-by-step explanation:
Answer:
The vector equation
The parametric equation
Step-by-step explanation:
Given
Required
The vector equation
First, we calculate the position vector of the point.
This is represented as:
The vector equation is then calculated as:
Open bracket
Collect like terms
Factorize
The parametric equation is represented as:
Where
By comparison:
Answer:
4
Step-by-step explanation:
3^x=81 (the exponential form of the problem) and x would = 4