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

What's 5 divided by x squared explain

What all the multiples of 81?

What all the multiples of 81?

A blue rope is 3 times the length as a red rope. A green rope is 5 times as log as the blue rope of the total length of all 3 ropes equals 508.25m what is the l

The inner and outer Radii of a cylindrical pipe are 5 cm and 4 cm respectively. find the area of cross section of the pipe.

A blue rope is 3 times the length as a red rope. A green rope is 5 times as log as the blue rope of the total length of all 3 ropes equals 508.25m what is the l

find the sum. write each mixed number in simplest form 4 7/8 + 5 1/4

Thelma spent 1/6 of her weekly allowance on dog toys. 1/4 on a dog collar and 1/3 on dog food. What fraction of her weekly allowance is left

What's 5 divided by x squared explain

Does an owl have a backbone?