kaiyiyuan1609 kaiyiyuan1609
  • 25-05-2019
  • Mathematics
contestada

Double check my Math Question?


Evaluate the dot product (2, 4) and (1, -2)



My answer comes out (2, 2), is that right?

Respuesta :

altavistard
altavistard altavistard
  • 25-05-2019

Answer:

-6

Step-by-step explanation:

You are finding the dot product of vectors <2, 4> and <1, -2>.  Recall that the dot product is a SCALAR.  In this case  <2, 4> · <1, -2> = 2(1) + 4(-2)>, or

2 - 8, or -6.  

Answer Link

Otras preguntas

Claire's bedroom floor is 12 1/2 feet by 15 1/4 feet. She wants to buy new carpeting to cover her bedroom floor. If the total cost of the carpeting is $762.
Human blood types are produced by alleles a, b, and o. having more than 2 alleles control a trait is called
PLEASE HELP ME QUICKLY PLZ EXPLAIN THX
The supreme court has original jurisdiction in any criminal case where controversies over the death penalty are involved.
Which of the following sentences demonstrates clear, parallel structure? A) Our trip to the beach was fantastic and we did many enjoyable things including: pla
every day Josie bakery bakes muffins and bagels. the ratio of m7ffins to bagels is always the same. the table shows data about what Josie bakery bakes 3 days of
school to work program unite
Rotoscoping Cinema Historywhich one is correct
Evan's mother used 1/3 pound of beef, 1/2 pound of shrimp, and 3 pounds of pasta to make dinner for 4 people. Use this information to answer ALL FOUR PARTS belo
53.1 L =___ mL What is the answer to this?