Answer:
100
Step-by-step explanation:
Black keys 5 10 100
Total keys
Black keys + white keys = 12 24 240
 
        
             
        
        
        
Answer:

Step-by-step explanation:
 We have been given the equation 

 and we are asked to apply the square root property of equality to our given a equation and isolate the variable
First, take the square root of both sides of our equation





<em>THEREFORE, THERE ARE TWO SOLUTIONS FOR OUR GIVEN EQUATION</em>
<em> </em>
</em>
<u><em>PLEASE</em><em> </em><em>MAKR</em><em> </em><em>ME</em><em> </em><em>BRAINLIEST</em><em> </em><em>IF</em><em> </em><em>YOU</em><em> </em><em>ARE</em><em> </em><em>HAPPY</em><em> </em><em>WITH</em><em> </em><em>THE</em><em> </em><em>ANSWER</em></u>
 
        
             
        
        
        
Answer: C
Step-by-step explanation: As they are interested in the amount of time a client exercises in a week, the population would be all the clients that use the fitness center for a given week. 
Clients that do not go on this week are not part of the population. The amount of time is what they want to know, so it cannot be the population. 
 
        
             
        
        
        
Answer:
3 / 10 is the answer in fraction and 0.3 is the answer in decimal.
Step-by-step explanation:
hope this answer will help you
have a great time