menu
QAmmunity.org
Login
Register
My account
Edit my Profile
Private messages
My favorites
Register
Ask a Question
Questions
Unanswered
Tags
Categories
Find a ⋅ b. a = 8i + 6j, b = 4i + 5j
asked
Sep 8, 2019
64.1k
views
1
vote
Find a ⋅ b. a = 8i + 6j, b = 4i + 5j
Mathematics
college
S T
asked
by
S T
7.1k
points
answer
comment
share this
share
0 Comments
Please
log in
or
register
to add a comment.
Please
log in
or
register
to answer this question.
1
Answer
3
votes
The answer is 62! This is a vector problem, so they’re looking for the dot product. You multiply all the coefficients with i and the ones with j so you’ll end up with 32 and 30. Add those two numbers together and you’ll get your final answer of 62
LeoE
answered
Sep 13, 2019
by
LeoE
6.5k
points
ask related question
comment
share this
0 Comments
Please
log in
or
register
to add a comment.
Ask a Question
Welcome to QAmmunity.org, where you can ask questions and receive answers from other members of our community.
7.4m
questions
9.9m
answers
Other Questions
How do you estimate of 4 5/8 X 1/3
Write words to match the expression. 24- ( 6+3)
Please solve the following equation. x-6x=56
What is 25% of 500.00
Dennis had a piece of rope that was 2.7 m long. He cut the rope into 3 equal pieces. Was each piece of rope greater than or less than 1 m?
Twitter
WhatsApp
Facebook
Reddit
LinkedIn
Email
Link Copied!
Copy
Search QAmmunity.org