harpazo1965 harpazo1965

22-08-2020
Mathematics

contestada

Vector a = 4i + 5j

Vector b = 3i + 6j

Find the dot product.

Respuesta :

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

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

Fill the blank Tariffs, import quotas, and embargoes are all types of...

A data in database can be presented in _____ format

Thank you for help me

Fill in the blanks and PLEASE ANSWER QUICKLY

Description Examples Explanation Headings you add to the document will appear here Speech Consider what the character says to others in the story Thoughts Consi

Best answers will receive brainliest.

Limestone:rock:calcite

Write an expression for the area of a rectangle with length 2x and width x. The area of a rectangle with that length and width would be?

heyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyy

6. Mackenzie ran a half marathon (13 miles) in 1 hour and 57 minutes. She kept up a pace of 8 minutes per mile for the first 7 miles. Then the course got hilly,