We use cookies to personalise content and advertisements and to analyse access to our website. Furthermore, our partners for online advertising receive pseudonymised information about your use of our website. cookie policy and privacy policy.
 
+0  
 
0
221
1
avatar+701 

 The graph shows the number of laps Kailee ran around a track over a given number of minutes.
The point are 

(5.5, 2.2) (11, 4.4) 

(a)   What is the slope of the line? Use the slope formula and show your work.

(b)   How many laps did Kailee run per minute?

(c)   If she continued to run at the same rate, how many laps would she run in 30 min?

 Oct 23, 2018
 #1
avatar+103148 
+2

laps/ minutes    =   ( minutes, laps)

 

(a) Slope of line =   [ 4.4 - 2.2 ] / [ 11 -  5.5 ]  =  2.2  / 5.5  =  2/5

(b)  She ran 2/5  of a lap every minute

(c)  In  30 min, she runs  30  * 2/5  =  60 / 5  =   12 laps

 

 

cool cool cool

 Oct 23, 2018

23 Online Users