Answer: the answer is C
Step-by-step explanation: AP3X
 
        
             
        
        
        
Answer:
X = 45
Step-by-step explanation:
90 + X + A = 180 (angles of a triangle sum to 180)
90 + X + 45 = 180
X = 45
 
        
             
        
        
        
Answer:
The amount invested at 4% is $20,500 and the amount invested at 10% is $500
Step-by-step explanation:
Let
x -----> the amount invested at 4%
(21,000 -x) ----> the amount invested at 10%
we know that
The interest of the amount invested at 4% plus the interest of the amount invested at 10% must be equal to $870


so

Solve for x





therefore
The amount invested at 4% is $20,500 and the amount invested at 10% is $500
 
        
             
        
        
        
Answer:
u didnt add the picture
Step-by-step explanation:
 
        
             
        
        
        
38,71,71
Step-by-step explanation:
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