For this case we must solve the following equation:

For this, we follow the steps below:
We find the Neperian logarithm on both sides of the equation to remove the variable from the exponent

We use one of the logarithm properties to extract x from the exponent:

We subtract xln (7) on both sides of the equation:

We take x common factor:

We divide between on both sides of the equation, then:
on both sides of the equation, then:

Answer:

 
        
             
        
        
        
Answer:
Mizuki here to answer! B is the correct answer!
Step-by-step explanation:
1 - 0.4 = 0.6
2.1 x 0.6 = 1.26
 
        
             
        
        
        
Answer:

Step-by-step explanation:
Isolate the variable by dividing each side by factors that don't contain the variable.
 
        
                    
             
        
        
        
Answer:
Lawyer and 191,000
Step-by-step explanation:
 
        
             
        
        
        
Ok so cos(x) = sin(90-x) so using that you can get sin(7x-15) = sin(90-(3x+5)) so 7x-15 = -3x+85. 10x = 100 and x = 10. Use that to find the 2 angles are 55 and 35