Answer:
<h3>
<u>7. Ans ;</u></h3>

<h3>
<u>8</u><u>.</u><u> </u><u>Ans</u><u> </u><u>;</u></h3>
<u> </u>
</u>
Step-by-step explanation:
<h3>
<u>7. Ans ;</u></h3>

So ;

<h3><u>
8. Ans ;</u></h3>

So ;

I hope I helped you^_^
 
        
             
        
        
        
Answer:
116 degrees
Step-by-step explanation:
 
        
             
        
        
        
Answer:
3 and 5 is the correct answer in this question
Step-by-step explanation:
please makes me a brainlest
 
        
             
        
        
        
-- The first urn has 9 balls in it all together, and 2 of them are white.
If you don't peek, then the prob of pulling out a white ball is  2/9 .
-- The second urn has 13 balls in it all together, and 3 of them are white.
If you don't peek, then the prob of pulling out a white ball is  3/13 .
-- The probability of being successful BOTH times is
        (2/9) x (3/13)  =  ( 6/117 )  =  about  0.0513  or  5.13% (rounded)  
        
                    
             
        
        
        
Answer:
x = −5.5 i think 
Step-by-step explanation:
Good Luck!