9514 1404 393
Answer:
   C)  ΔDCE ≅ ΔDQR
Step-by-step explanation:
Corresponding vertices can be identified by the number of arcs signifying congruence.
   1 mark: angles D and D
   2 marks: angles C and Q
   3 marks: angles E and R
Corresponding angles are listed in the same order in the congruence statement:
   ΔDCE ≅ ΔDQR
 
        
             
        
        
        
You would have one tenths (1/10) of a chance to get a 4 on the first go. you would have four ninths (4/9) of a chance to get a number less than 5 out of the bag on the second go.
the overall probability would be two forty-fifths (2/45)
        
             
        
        
        
3+5+7 = 15 total marbles
3 are red
 so she has a 3/15 reduces to 1/5 probability of picking a red one
 
        
             
        
        
        
Volume of the cone is 117.5 π ft³
<u>Step-by-step explanation:</u>
Lateral area of the cone = πrs 
s is the slant height = 15 ft 
From the above formula, we can find the radius as, 5 ft.
Volume of the cone = π r² h/3
s = √ (5²+ h²)
Squaring on both sides, we will get, 
s² = 15² = (5² + h²)
  15² - 5² = h²
 225 - 25 = 200 = h²
h = √200 = 14.1 ft
Volume = π × 5² × 14.1  / 3 = 117.5 π ft³
 
        
             
        
        
        
Since 4 is between 2 & 5 you input it into the middle equation.
x=4 
so the answer is 4!