The data show the number of pieces of mail delivered to a single home address each day for three weeks.
2 answers:
You might be interested in
X, y - the numbers
The numbers add to 9 and multiply to -70.
The numbers are -5 and 14.
The numbers add to 9 and multiply to -70.
The numbers are -5 and 14.
Answer:
Step-by-step explanation:
Given information: |a| = 80, |b| = 50, the angle between a and b is 3π/4.
We need to find the dot product a · b.
The formula of dot product is
where, θ is the angle between a and b.
Substitute the given values in the above formula.
Rationalize the above equation.
Therefore, the value of a · b is .