<span>Well, they couldnt have studied negative time.. So Id say the domain is \(x \ge 0\) where \(x\) is the time they studied.</span>
A. Youre getting anyone willing to answer the survey, most of them might be in a rush so maybe they’ll decline so i think A is the safesy
1. Translate words into equation :
Brian= b
Natasha =n
N+3n=88 (because brian has 3x more than natasha u can rewrite b as 3n)
2. Solve : 4n=88 (divide by 4)
N=22 so natasha has 22 marbles and since b=3n, brian has 66 marbles
The probability of the message lasting longer than six minutes is 0.955. I hope this helps!
type cos(155) into a calculator
cos(155)= -0.906307787...
