They are 7 points away from each other.
Using sin(A+B) = sinAcosB + cosAsinB
sin20cos40 + cos20sin40 = sin(20+40) = sin60degree
=
Answer:
he is not wrong 5/10 of people is equal to 50% of people
Step-by-step explanation:
The true statement is - The matrix is square.
Option: C.
<u>Step-by-step explanation:</u>
The given matrix is represented as the flight times between cities in hours.
The rows are cities of departure and the columns are city of arrival.
But any of the given statements doesn't relatable to the given matrix, except the given matrix is a square.
Any matrix can be considered as square when it has equal number of rows and columns.
i.e. A m by n matrix has m=n.
where m is the number of rows and n is the number of columns.
