Answer:
$122.88
Step-by-step explanation:
the phone decreases by 20% each year , that is
(100 - 20)% = 80% =  = 0.8
 = 0.8
the phone reduces by a factor of 0.8 each year , then after 4 years
value = $300 ×  = $122.88
 = $122.88
 
        
             
        
        
        
Volume is a measure if the amount of space occupied by that object, and every 3D shapes have volume. To find volume, you need three dimensions which are length, width, and height :D
        
             
        
        
        
Answer: -2, 0, 1, 3
Step-by-step explanation: 
when you multiply -7 and -6 by -5 than add 5 you get a higher number than 25. 
when you multiply -2, 0, 1 And 3 by -5 than add 5 you get a lower number than 25. 
 
        
             
        
        
        
Answer:
See below. 
Step-by-step explanation:
First, notice that this is a composition of functions. For instance, let's let  and
 and  . Then, the given equation is essentially
. Then, the given equation is essentially  . Thus, we can use the chain rule.
. Thus, we can use the chain rule. 
Recall the chain rule: ![\frac{d}{dx}[f(g(x))]=f'(g(x))\cdot g'(x)](https://tex.z-dn.net/?f=%5Cfrac%7Bd%7D%7Bdx%7D%5Bf%28g%28x%29%29%5D%3Df%27%28g%28x%29%29%5Ccdot%20g%27%28x%29) . So, let's find the derivative of each function:
. So, let's find the derivative of each function: 

We can use the Power Rule here: 
 
 
Now: 

Again, use the Power Rule and Sum Rule

Now, we can put them together:
 

 
        
             
        
        
        
Answer:
Angle JML= 132( given)
Triangle JML= 180( Angle sum property)
2x+ 48= KML( Exterior angle property)
In triangle JML, 
76 + ∠L+ ∠KML=180°
∠KML=∠L( angles opposite to equal sides are equal)
76+2(2x+48)=180°
2(2x+48)=104°
2x=104-48=64°
x= 32°
Step-by-step explanation:
Hope it helps : )