dkornelsen10 dkornelsen10

02-02-2017
Mathematics

contestada

Find the specified vector or scalar.

u = -4i + 1j and v = 4i + 1j; Find .u+v
A. sqrt34

B. 8
C. 5
D. 2

Respuesta :

LammettHash LammettHash

02-02-2017

Since [tex]\mathbf u+\mathbf v=(-4+4)\,\vec i+(1+1)\,\vec j=2\,\vec j[/tex]

so the norm is

[tex]\|\mathbf u+\mathbf v\|=\sqrt{2^2}=2[/tex]

Answer Link

Otras preguntas

A flight instructor charges $50 per lesson, plus an additional fee for the use of his plane. The charge for the use of the plane varies directly with the square

A tree was chopped down and cut up in a local forest.The tree changed in shape.What kind of change took place?A.chemical changeB.physical change C.phase changeD

China, Korea, and Japan share cultural similarities in part due to their (1) clashes with Russian imperialists (2) shared river systems (3) contacts through tra

USE A NUMBER LINE TO FIND 8/9 / 8/45.

What is 1997 from 2014????????????

Why does Louis XIV want to expand France's border?

Why does Louis XIV want to expand France's border?

Please I have the answers I just want to double check them and Solvekey: B=42 A=93 N=29 X=361. (b-7)(2b-7)2. (4a-4)(5a-7)3. (5n-6)(4n+7)4. (2n=8)(8n+3)5. (6x

which explorer sailed for france?

How many grandparents have my grandparents? who can solve it is very good on maths! it is just a lpgic problem! i know the answer :)