The answer is k=73
hope this helps
Answer:
The magnitude of the given vector is 40.72 units.
Step-by-step explanation:
The given vector is 
We know that for any vector 'r'
the magnitude is given by

Comparing with the given vector we have
x = -3
y = 40
z = 7
Thus the magnitude equals


Answer:
The answers are as follows: 12 106 42
Step-by-step explanation:
Given:
Using BODMAS rule (Bracket, Of, Division, Multiplication, Addition and Subtraction) we would calculate
separately and
separately and add them. So we have
.
Now for the second question:
. we would get
Next,
. This could be written as:
. Hence the answers.
Answer:
5.3!
Step-by-step explanation:
( in case you need work ) the angles are congruent so you set them equal to each other!
6x+12=9x-4
you then get 16=3x then divided its 5.3!
Answer:
C
Step-by-step explanation: