If an airplane heading N30W at 500 mph is affected by a 70 mph wind travelling N45E, how fast and in what direction will the plane end up travelling?

option (b) is correct

step-by-step explanation:

to find the solution of this system, we need to convert it into reduced row-echelon form. we have,

after applying row operations r2 -> r2/2 and r3 -> r3/3, we get,

k

step-by-step explanation:

domit

a_n = a_1 + (n - 1)d

the first term is 6.

the common difference d = ?

when you find d, replace n with 7 and d with the common difference to find your answer.

what are you trying find out?

step-by-step explanation: