Conjugate of 9-5i is 9+5i
product of those two: (9-5i)*(9+5i) =
product of those two: (9-5i)*(9+5i) =
Find the slope of the line perpendicular to 3x + 4y = 16
2 answers:
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Answer:
Step-by-step explanation:
Equation of a line:
The equation of a line, in point slope form, is given by:
In which the point is and m is the slope.
3/15
This means that
So
Finding the slope:
Suppose we have two points. The slope is given by the change in the output divided by the change in the input.
3/15
5/25
Change in the output: 25 - 15 = 10
Change in the input: 5 - 3 = 2
So
The equation is:
Answer: The perimeter is
Step-by-step explanation:
1. By definition, the formula for calculate the surface area of a cube is:
Where s is the lenght of any edge of the cube.
2. You know that the surface area of the cube of the problem is , therefore the lenght of each edge of the cube is:
3. Each face of the cube is a square, therefore the perimeter of one face is: