, 08.11.2019 12:31, Iakwe5061

# The high school, middle school, and elementary school are all on the same...

The high school, middle school, and elementary school are all on the same road. the distance from the high school to the middle school can be represented by the expression 8.7x2+11.9x+3.5 . the distance from the middle school to the elementary school can be represented by the expression 3.23x2+2.7x+0.75 . what is the total distance from the high school to the elementary school?

### Other questions on the subject: Mathematics

Mathematics, 09.03.2020 13:49, cpalabamagirl2595
23) 84% of a contractor’s jobs involves electrical work. 75% of a contractor’s jobs involve plumbing work. Of the jobs that involve plumbing, 90% of the jobs also involves electrical work. Let E = jobs involving electrical work L = jobs involving plumbing work Suppose one of the contractor’s jobs is randomly selected. Using the sixth Excel worksheet, a) Find P(E). 0.84 b) Find P(L). 0.75 c) In words, what does E | L mean? d) Find P(E | L). e) Find P(E and L). f) Are E and L independent events? Why or why not? g) Find P(E or L). h) Are E and L mutually exclusive? Why or why not