Answer:c
Step-by-step explanation:
c
 
        
                    
             
        
        
        
Answer:
2*square root of 2
Step-by-step explanation:
The square root of 8 is equal to 2*square root of 2
 
        
             
        
        
        
5√2 · 9√6
Simplify.
5 × 9 √ 2 x 6 ⇒ Multiply 2 × 6.
5 × 9 √12
Simplify √12 to 2√3.
5 × 9 × 2√3 ⇔ Multiply 
90√3
Therefore, the <u>correct alternative</u> is <u>option "B".</u>
 
        
             
        
        
        
Answer:
Width: 7 Length: 10
Step-by-step explanation:
Width: x
length: 2x-4
Area: 70 meters squared
(2x-4)x=70
2x^2-4x=70
2x^2-4x-70=0
2(x^2-2x-35)=0
(x-7)(x+5)=0
x cannot be negative so x=7
 
        
             
        
        
        
Answer:
d. arc BCE
Step-by-step explanation:
BE is a diameter which means it cuts the circle in half therefore arc BCE is a semicircle