Answer:
Explanation:I think 20 I don’t know I haven’t done this for a long time
Answer:
51i + 48j
Explanation:
Let's simplify step-by-step.
12(3i+7j)+3(5i−12j)
|Which is the equation.|
Distribute:
=(12)(3i)+(12)(7j)+(3)(5i)+(3)(−12j)
=36i+84j+15i+−36j
Combine Like Terms:
=36i+84j+15i+−36j
=(36i+15i)+(84j+−36j)
=51i+48j
Answer:
=51i+48j
I hope this helps, if it doesn't then just message me and ill be more than happy to help :)
It is difficult to say how accurate these devices are when used at home because most research on their effectiveness has been conducted in a laboratory setting.
<h3>What is a sentence?</h3>
A sentence can be defined as a group of words that is typically made up of a subject and predicate, which are used by a writer to convey a logical information to his or her audience (readers).
In this scenario, a sentence which best accomplishes this goal is re-writing the given sentence as "It is difficult to say how accurate these devices are when used at home because most research on their effectiveness has been conducted in a laboratory setting" because the important information are still present in the new sentence.
Read more on a sentence here: brainly.com/question/985037
They would have different thoughts and opinions on each
