jessiesavannah jessiesavannah

19-04-2018
Mathematics

contestada

Let u = <-5, -3>, v = <-6, -1>. Find -3u + 5v

Respuesta :

Professor1994 Professor1994

19-04-2018

u=<-5,-3>, v=<-6,-1>
-3u+5v=?
-3u+5v=-3<-5,-3>+5<-6,-1>
-3u+5v=<(-3)(-5),(-3)(-3)>+<(5)(-6),(5)(-1)>
-3u+5v=<15,9>+<-30,-5>
-3u+5v=<15+(-30),9+(-5)>
-3u+5v=<15-30,9-5>
-3u+5v=<-15,4>

Answer: -3u+5v=<-15,4>

Answer Link

Аноним Аноним

23-08-2018

The answer below is correct, it is <-15,4>

Answer Link

Otras preguntas

which armies had increased in size between 1870 and 1914

In integers what is a withdrawal of $50 is it negative or positive.

Which division of time during Earth’s history came ﬁrst? a. The Paleozoic Era b. The Cenozoic Era c. The Late Precambrian d. The Mesozoic Era

What is greater and why 2/3 or 5/6 or 7/9

Marisol is painting on a piece of canvas that has an area of 180 square inches. The length of the painting is 11/4 times the width. What are the dimensions?

Write the following expression in terms of sine and cosine, and simplify so that no quotients appear in the final expression. sec x - cos x

In a complete sentence, deﬁne gymnosperm.

Which of the following organisms has the highest evolutionary fitness? A. A cheetah that catches the most prey B. A fox that successfully avoids predators C. A

Acceleration refers to a.increasing speed b.decreasing speed c.changing direction d.all of the above

The most successful mammals are the a. marsupials, who practically have a whole continent to themselves. b. monotremes, who have a very speciﬁc niche without co