Answer:
x=5 or -5
Step-by-step explanation:
4x^2=100
x^2=25
x=5 or -5
Answer:
......................................................................................................
Step-by-step explanation:
Answer:
On the screenshot below, each little line represents 0.1. It's not labeled 2.7 and 2.8, but if you count the tick marks by 0.1, it shows that exact approximation.
I hope this helps!
Answer:

Step-by-step explanation:
Given

Required
Determine the job time in minutes
To do this, we simply convert the time to minutes.


So, we have:


<em>Hence, the job time in minutes is 420 minutes</em>