Answer:
13
Step-by-step explanation:
4 + 3(x + 5)=5 x - 7
3x + 19=5x - 7
3x + 19 - 19=5x - 7 - 19
3x =5x - 26
3x - 5x=5x - 26 - 5x
-2= -26
-2x/-2 = -26/-2
x= 13
It might be wrong. I may have made a mistake with typing sorry.
Hope this helps a bit.
 
        
             
        
        
        
Answer: The perimeter is 10.1415925, which you can round down to 10, or leave it as is.
 
        
             
        
        
        
Answer:
yes
Step-by-step explanation:
half of x which is 4 = y which is 2
you keep doing that with the rest of the xs and ys
 
        
             
        
        
        
Answer:
Step-by-step explanation:
The area of a sector has the formula
 Hopefully, this looks somewhat familiar to you. Theta is the central angle given as 75, r is the radius given as 4. Filling in:
 Hopefully, this looks somewhat familiar to you. Theta is the central angle given as 75, r is the radius given as 4. Filling in:
 and simplifying that a bit to look less threatening, but not by much:
 and simplifying that a bit to look less threatening, but not by much:
 and
 and
 Not sure how you're supposed to express your answer so I gave both the fraction and its decimal equivalency.
 Not sure how you're supposed to express your answer so I gave both the fraction and its decimal equivalency.
 
        
             
        
        
        
I'm doing the same thing right now and I'm lost.