Answer:
x=5
Step-by-step explanation:
3/5(x-10)=18-4x-1
3/5x-30/5=18-4x-1
3/5x-6=18-4x-1
 +6 +6
3/5x=23-4x
+4x +4x
4 3/5x=23
23/5x=23
23/5 divide , so you actually multiply both sides by the reciprocal 5/23
x=5
 
        
             
        
        
        
Answer:
Option (b) 36.7
Step-by-step explanation:
Data provided in the question:
                        Treatment 1     Treatment 2     Treatment 3      Treatment 4 
Sample Size          50                   18                     10                          17 
Sample Mean        32                   36                    42                         48
Now,
The overall mean is calculated as
= 
Here, Xi = Sample mean
n = sample sizes
Thus,
Overall mean 
= [ (50 × 32) + (18 × 36) + (10 × 42) + (17 × 48) ] ÷ [ 50 + 18 + 10 + 17 ]
= [ 1600 + 648 + 420 + 816 ]  ÷ 95 
= 36.67 ≈ 36.7
hence,
Option (b) 36.7
 
        
             
        
        
        
Answer:
1  3/4
Step-by-step explanation:
 
        
                    
             
        
        
        
Answer:

Step-by-step explanation:
There are no given values, therefore we can't determine a definite answer. However, we are able to simplify the expression.
As we all know that any variable or number to the power of 0 is equal to 1. This means that  .
.
We also know that a negative power can bring the variable down and make it a fraction. This means that 
Now that we got these two sorted we are able to write it in a simplified form.
Answer: 