Answer:
2/3 or 66.66..%
Step-by-step explanation:
First, add all the number of marbles and you get 6. Second you just divide the number of green marbles which is 4 by 6 and you get 2/3 or if they want it in percent then, 66.66..%
 
        
             
        
        
        
1. (false) A chord is never a radius. A chord is the line segment whose 2 endpoints are points on the circle.
2. (true) A diameter is always a chord, in fact, it is the chord of largest length.
3. (true) A tangent is a line in the exterior of a circle, with only 1 common point with a circle. Whereas a secant has 2 common point with a circle and many more in the interior of the circle
4. (false) A chord can be at most equal to the length of the diameter.
5. (true) A chord can be very short. Consider 2 points on the circle which are very close to each other and the chord formed by them.
6. (true)  
        
                    
             
        
        
        
Answer:
0.62km
Step-by-step explanation:
1 mm= .000001km
620,000mm= 0.62km
Multiply 620,000 by 0.000001
 
        
                    
             
        
        
        
Idk but probably the sum is 6367337282&363632$3!.??.):