Answer:
if she runs more than 8 laps and each lap is 7 minutes she will run more than 56 minutes
she will run 56 minutes t
Answer:
-1.409
Step-by-step explanation:
I’m assuming this a z-score for stats. You would just go into your calculator, in my case a Casio. Then, you’d press on the stats module, click F5 (DIST), F1 (NORM), F3 (InvN). You would change the data to variable, then put in tail right, area .9207, SD 1, mean of 0. Then hit execute and you’ll get the answer of -1.4097958. Round it if needed.
Answer: 1
Step-by-step explanation:
Minus the first equation with the second
x = -1
So y = 0
So there is only one solution
