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

Where are metals, nonmetals, metalloids, and the noble gases located on the periodic table?
Answer 13 for 25 points
Which statement is NOT true? Either the House or Senate can introduce a bill. A bill that becomes a law is called legislation. A sponsor is a member of Congres
-6k - 3 = 39 This is Algebra
Which undefined geometric term is described as a infinite set of point that had length but not width
Which word best completes the following question? Necesito preparar una torta de manzanas. ¿____________ cucharadas de azúcar necesito agregar a la mezcla?
I beg you! Very much please! Help me please!!
If gas costs $3.50 per gal, how much would it cost to drive 500 miles in the city in this car (assuming the fuel efficiency rating is accurate)?
What is the solution(s) to the equation (2x-6)(3x-4)=0?
what are 3 rights rhat citizens have in the us