The answer is -271/4x + 681/2
Answer:
Step-by-step explanation:
y=-2/5x
Answer:
first top left graph? 12×4 is 48 so that puts it about right
Answer:
a) 
b)
c) 
Step-by-step explanation:
a) Let <u>a</u>=<2,1,-3>
The magnitude of <u>a</u> is 

The unit vector in the direction of a is

Using the relation
, we have

b) Let a=2i - 3j + 4k



Using the relation
, we have

c) Let us first find the sum of <1, 2, -3> and <2, 4, 1> to get:
<1+2, 2+4, -3+1>=<3, 6, -2>
Let a=<3, 6, -2>
The magnitude is


The unit vector in the direction of <u>a</u> is

Using the relation
, we have

Answer:
The ribbon that is 30 inches is longer.
Step-by-step explanation:
1 foot = 12 inches
2 feet = 24 inches
30 inches > 24 inches