bhuminaik5358 bhuminaik5358

07-02-2018
Mathematics

contestada

Find a ·
b. |a| = 3, |b| = 14 , the angle between a and b is 45°

Respuesta :

mathmate mathmate

07-02-2018

a.b
[tex]=|a||b|cos(theta)[/tex]
[tex]=3*14*cos(45)[/tex]
[tex]=3*14*\sqrt{2}/2[/tex]
[tex]=21\sqrt{2}[/tex]

Answer Link

Otras preguntas

Please help, I really have absolutely no idea how to do this.

find the radius and circumference With a Diameter = 30 m and Area = 707.14 m.

Which answer below best describes women’s experience in the workplace

Con las letras de la palabra PARTIDO: a) ¿cuántas ordenaciones distintas se pueden hacer? b) ¿Cuántas empiezan por P? c) ¿Cuántas empiezan por PAR?

9. Sophia is looking to purchase a used car. She is choosing between two cars. The table shows information about each car. Miles per Gallon Estimated Repairs 20

What is rhodopsin cycle? Discuss in brief the main biochemical reactions which occur during rhodopsin cycle.

All of the following statements about soft money are TRUE except: A. This money includes donations to individual candidates. B. This money includes donations to

Adam and Beth arrive to work at the same time. Adam traveled 5 miles at 30 miles per hour (mph), 15 miles at 45 mph, and 30 miles at 60 mph. Beth traveled 12 mi

bakit sinakop ng mga hapones ang pilipinas

Which is an example of a social policy