Answer:
-13
Step-by-step explanation:
Given are two vectors v and w.
v=(6,7,-3) and
w=(-7,5,2)
We are to find the dot product of v.w
We have
Dot product is obtained by multiplying corresponding pairs and adding them
Here we have
v.w=6(-7)+7(5)-3(2)
=-13
It would be written as 721/10. Hope this helps.
Https://tex.z-dn.net/?f=+%5Cfrac%7B8%7D%7B64%7D+%3D+%5Cfrac%7B2%7D%7Bx%7D++%5C%5C++%5C%5C+8x%3D128+%5C%5C++%5C%5C+x%3D16
Answer:
The length of the third side is 7.81 inches and the perimeter of the triangle is about 18.81 inches
Step-by-step explanation:
