Answer:
The pictures is unclear resend again.
Step-by-step explanation:
Given expression is x⁴-kx²+4 =0
x−2 is a factor of the given expression.
So, x=2
Substitute in the equation, we get
2⁴-k(2)²+4
⇒16+4k+4=0
⇒4k=−20
⇒k=−5
Answer:
Black and white = 3/6
All Black = 2/6
All White = 1/6
Step-by-step explanation:
Answer:
Step-by-step explanation:
As the line is perpendicular to , we know that the slope of the line is . As it passes through , we know that it should be .
Answer:
Step-by-step explanation:
Let assume that Earth is a sphere, the following trigonometric diagram is constructed and presented below. The central angle is given by this inverse trigonometric equation:
The distance of the portion of Earth that can be seen is: