Look at the attachment 
The line bisects the cord which we have to find
- Length of chord=12cm
 - Half of the cord=12/2=6cm
 - Radius=10cm
 
Its a right angle triangle 
- using Pythagorean theorem
 






Distance of the chord from centre is 8cm.
 
        
                    
             
        
        
        
B. Because if she has to make a payment of $2,316 twice a year it would be $4,632. Then you divide that by how many months there are in a year so 12. Then you get B. $386
        
                    
             
        
        
        
Using break apart and distribute strategy, Steven's work can be the following steps:
The expression is given as:

<u>Using the break apart and distribute strategy</u>
3 can be break into 1 + 2
So, we have:

Distribute

Simplify


Read more about break apart and distribute strategy at:
brainly.com/question/6037402
 
        
             
        
        
        
Answer:
a. $27
b. $9
Step-by-step explanation:
The yearly premium on their homeowner's insurance policy is $450 for the coverage they need. 
Their insurance company offers a discount of 6 percent if they install dead-bolt locks on all exterior doors.The couple can also receive a discount of 2 percent if they install smoke detectors on each floor.
a. What discount will Dave and Ellen receive if they install the dead-bolt locks? 
 dollars
b. What discount will Dave and Ellen receive if they install smoke detectors?
 dollars
 
        
             
        
        
        
I don't understand what you are trying to do please explain more