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

In one Earth century (100 years), both Saturn and Earth will complete revolutions of the Sun. Which of the following correctly compares the number of revolution

Eileen's bill for her lunch was $7.33. She gave the waiter $10 and told him to keep the change as a tip. How much of a tip did the waiter get?

what is the product of 38x67

1. [02.05] Solve for x: -2x - 4 > 8 A)x<-6 B)x>-6 C)x<-2 D)X > -2

s=2d/t, solve for d.

German scientist Alfred Wegener is best known for what hypothesis?

What is 43,659 dividedby77

Test your knowledge of ion diffusion across the plasma membrane by placing the correct word(s) in each sentence. Then, click and drag the sentences to arrange t

Which statement best describes the purpose of Earth's spheres?

here is the mockingjay from The Hunger Games(one of my favorites!) (ﾉ◕ヮ◕)ﾉ*:・ﾟ✧ ✧ﾟ・: *ヽ(◕ヮ◕ヽ)