Answer:
The value is
Step-by-step explanation:
From the question we are told that
The vector is a=<-4,-3,5>
Generally the unit vector is
Here y represent the y-coordinate
So
=>
Generally the resultant of a unit vector is 1
So
Hence
Taking the square of both sides
=>
=>
=>
Rationalizing
=>
Given that the first coordinate is positive
Hence the unit vector is
=>
Answer:
45 apples.
Step-by-step explanation:
40 % is 18 red apples.
We need 100% which is worked out proportionally:
Total apples in the stand = 18 * 100/40
= 18 * 10/4
= 180 4
= 45 apples (answer).
(2x +y)(5x-y+3)
10x^2 - 2xy + 6x + 5xy - y^2 + 3y
10x^2 -2xy+5xy + 6x - y^2 + 3y
10x^2 +3xy + 6x -y^2 +3y
Looking at the answer boxes the sign looks wrong to me from y^2 ( a negative times a positive is a negative) I may be wrong.
Anyone else?
Answer:The answer is 12.8
Step-by-step explanation:
8 and 10 are the side lengths so you would put that check mark thingy and then under it you put 8 squared and 10 squared and then you add it up. If you have the side length and the right length (which is the x) you would subtract because the right length is the longest.