bella695
bella695 bella695
  • 06-05-2020
  • Mathematics
contestada

find the inner product for (7,2) × (0,-2) and state wheter the vectors are perpendicular ​

Respuesta :

kdndino
kdndino kdndino
  • 06-05-2020

Answer:

a. -4

Step-by-step explanation:

a•b = (x1 × x2) + (y1 × y2)

= (7 × 0) + (2 × -2)

= 0 - 4

= -4

Answer Link
surjithayer10 surjithayer10
  • 06-05-2020

Answer:

Step-by-step explanation:

let a=7i+2j

and b=-2j

a.b=(7i+2j).(0i-2j)

=0i-4j

≠0

they are not perpendicular.

Answer Link

Otras preguntas

This part of the constitution is know as the A- supremacy clause B— full frito and crédito C- preamble D tente amendment
Make s, u subject of the formula[tex]v^{2} = u {}^{2} + 2as[/tex]​
3. Examples of Globalization are Internet Attending lectures by a British professor teaching in an American University Selling local products in the global mark
Make s, u subject of the formula[tex]v^{2} = u {}^{2} + 2as[/tex]​
How does water help living things? Select three options.
¿Qué hace un comerciante? Help
Kelsey received 9 birthday gifts from her friends. Three gifts were wrapped in yellow paper, 3 gifts were wrapped in red paper, 2 gifts were wrapped in purple p
What is a residual plot?
help me please....................
Which graph is the solution of the following system?