Question

Find a ⋅ b. (2 points)

a = <7, 4>, b = <3, 5>

41
<10, 9>
-1
<21, 20>

Answer 1

HI!!

Answer 2

dot product?

Answer 3

yes

Answer 4

dot product is a number, not a vector, so skip 2 and 4

Answer 5

\[7\times 3+4\times 5\]

Answer 6

its 41 :)

Answer 7

i have another one can u help ill give medal

Answer 8

Find a ⋅ b. (2 points)

a = 9i + 5j, b = 4i + 3j

51
<13, 8>
<36, 15>
-21 @misty1212

Answer 9

same as the last one

Answer 10

\[9\times 4+5\times 3\]

Answer 11

Find the angle between the given vectors to the nearest tenth of a degree. (2 points)

u = <2, -4>, v = <3, -8>

Answer 12

@misty1212