70
make 30 minutes into an hour then divide 140 by 2
140/2=70
70x1=70
 
        
             
        
        
        
Answer:
39.9 grees
Step-by-step explanation:
Since 4.2 kribs = 18 grees
Then,
1 krib = 18/4.2 grees
9.3 kribs = (18/4.2) x 9 3
9.3 kribs = 39.9 grees.
 
        
             
        
        
        
Answer:
a₁₂ = - 4194304
Step-by-step explanation:
the nth term of a geometric sequence is
 = a₁
 = a₁ 
where a₁ is the first term and r the common ratio
here a₁ = 1 and r =  = - 4 , then
 = - 4 , then
a₁₂ = 1 ×  = - 4194304
 = - 4194304
 
        
             
        
        
        
Answer:
p=2
Step-by-step explanation:
4.05p+14.40=4.50(p+3)          < equation
4.05p+14.40=4.50p+13.50     < multiply
14.40=.45p+13.50                   < subtract
.9=.45p                                    < subtract
2=p                                          < divide
 
        
                    
             
        
        
        
we are given 

Firstly, we will simplify left side
and then we can solve for k 
Left side is 

we can arrange like terms



now, we can use property of exponent



now, we can equate it with right side
and we get 

We can see that both sides have 30 , a and b 
and they are equal 
so, exponent of a must also be equal 

now, we can solve for k 

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