lad91125 lad91125
  • 24-11-2020
  • Mathematics
contestada

Given u = −5i + 2j, v = −6i + 4j, find −2u + 2v

Respuesta :

gmany
gmany gmany
  • 26-11-2020

Answer:

[tex]\huge\boxed{-2i+4j}[/tex]

Step-by-step explanation:

[tex]u=-5i+2j\\\\v=-6i+4j\\\\-2u+2v=-2(-5i+2j)+2(-6i+4j)\\\\\text{use the distributive property}\\\\=(-2)(-5i)+(-2)(2j)+(2)(-6i)+(2)(4j)\\\\=10i-4j-12i+8j\\\\\text{combine like terms}\\\\=(10i-12i)+(-4j+8j)\\\\=-2i+4j[/tex]

Answer Link

Otras preguntas

What Is the First New Deal?
I need to find the mean and the mode. What is the mode?
Simplify. All Variables represent (3√200)*(4√32)
a box contains 13 red blocks, 8 orange blocks,9 green blocks,and 10 blue blocks . Shelly randomly chooses a block from the box. What is the probability that the
Write 10 sentences describing your weekend - what you did, normally do and going to do
a box contain 9 novels, 7 biographies, and 5 reference books. Alyssa randomly chooses a book, then she randomly chooses another book without replacing the first
In a bag of keys, there are 15 silver keys, 5 black keys, 11 copper keys, and 4 painted keys of various colors. One key is drawn out at random. What is the prob
At 30 degrees, Edgardo said the temperature was warm enough to go swimming. Did he mean to give the temperature in Fahrenheit or Celsius. Explain.
Would a fire manager be for or against fire suppression?
What do you measurement of capacity?