harpazo1965
harpazo1965 harpazo1965
  • 22-08-2020
  • Mathematics
contestada

Vector a = 4i + 5j

Vector b = 3i + 6j

Find the dot product.

Respuesta :

MathPhys
MathPhys MathPhys
  • 22-08-2020

Step-by-step explanation:

a · b = (4)(3) + (5)(6)

a · b = 12 + 30

a · b = 42

Answer Link
zubam2002
zubam2002 zubam2002
  • 25-08-2020

Answer:

42

Step-by-step explanation:

a*b = 4*3 + 5*6 = 12 + 30 ( where i*i = j*j = 1)

∴ a*b = 42

Answer Link

Otras preguntas

Part A: Solve −np − 90 < 30 for n. Show your work. Part B: Solve 5m − 3h = 45 for h. Show your work.
what new ways of thinking arose in italy during the renaissance
How do you say "you mean the world to me in german
Explain how estimating the quotient helps you place the first digit in the quotient of the division problem.
After an experiment, scientists write a ___ which summarizes their experiment and results
What body system eliminates cellular waste through the lungs, skin, and kidneys?
12 – (–17) A. –29 B. –5 C. 5 D. 29
____________________ provides a worldwide standard of physical measurement. a. SI c. Fahrenheit b. Celcius d. technology
4 interesting facts about the earths crust
value of 7 x 10 to the power of 3