4. an automobile dealership received 11 cars that needed to be detailed. if the
service staff took 2 1/2
hours to detail the automobiles, how long did each car
take?

11 cars =21/2 hours

Convert 21/2 hours to minutes

60minutes =1hour

2.5 hours =150mins

11cars=150 mins

1 car =1/11×150mins=

150/11=13 7/11mins

7/11to seconds =60 seconds =1minutes

7/11×60secs =38secs

Answer =1car =13mins 38 secs

Step-by-step explanation:

hello from mrbilldoesmath!

answer:

x - 3

discussion:

x^2 - 9 = (x-3) (x+3)   so

(x^2-9)/ (x + 3) = x-3

you,

mrb

start with a line segment pq that we will copy. mark a point r that will be one endpoint of the new line segment. set the compasses' point on the point p of the line segment to be copied. adjust the compasses' width to the point q. the compasses' width is now equal to the length of the line segment pq.

step-by-step explanation: