For 1
Twice a number means
A number used two times
Is that number was x
What do we do to x
Answer:
-58
Step-by-step explanation:
We are to find tfhe dot product of u=<-8,9> and v=<5,-2>
u*v = <-8,9>*<5,-2>
u*v = -8(5)+9(-2)
u*v = -40 - 18
u*v = -58
Hence the product of the vectors is -58
Answer: Ooh, okay. Have fun then I guess.