Step-by-step explanation:
in isoscles triangles two angles and lengths are equal .
two sides equal 3.5 
so both of the angles are 55° 
the sum of the angles in a triangle is 180°, so 
x = 180° - 55° - 55° 
x = 70° (Ans) 
 
        
             
        
        
        
Answer:
5 8/15 I rly hope this helps man
 
        
             
        
        
        
Answer:
x = - 9
Step-by-step explanation:
Step 1:
2x - 3 = - 21    Equation
Step 2:
2x = - 18     Add 3 on both sides
Step 3:
- 18 ÷ 2    Divide
Answer:
x = - 9
Hope This Helps :)
 
        
             
        
        
        
Answer:
Expression:  0.15 * 20 
Equation: 0.15 * 20 = 3
Step-by-step explanation:
This expression was found by dividing 15% by 100 to convert it into a decimal (0.15) that can be used to multiply with 20 to get your answer.