a car of length 4.3m is travelling at 105km/h. It passes over a bridge of length 36m. Calculate the time in seconds. it takes to pass over the bridge completely/ I need the full ans pls

answer: -2+√x,-2-√x

i hope this , i don't know if you're looking for a pair or not.

answer: -1

step-by-step explanation:

if you are saying purchasing 3 social media ads and one newspaper ad counts as one purchase then there are:

6 purchases

if you are asking how many of each then:

18 social media ads

6 newspaper ads

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,