Answer:k=1,k=-2,k=
Step-by-step explanation:
Given two vectors


Distance between them is given by

squaring both side



k=1

angle between u and v is 90 i.e. orthogonal

=0
2+k=0
k=-2

angle between u & v is 





=0
k=
Answer:
Step-by-step explanation:
1. Graph point (2, 3)
2. Go down 3, 4 to the right or up 3 and 4 to the left
3. Repeat until you have about 3 to 4 points
4. Create a line
Answer: x1 = 5
x2 = 1
Step-by-step explanation:
1. Identify the coefficients
2. Move the constant to the right side of the equation and combine
3. Complete the square
4. Solve for x
Step-by-step explanation:
12.5÷100 × 5
=0.125×5
=0.625
Answer:
Mmm
Step-by-step explanation:
wait I tell the answer