Step-by-step explanation:
(-6x +3y=9 )×4
( 10x+4y)×3 
 
 -24x +12y =36 
 30x+12y= -18
 -24x+12y- (30x+12y)= 36-(-18)
-54x = 54 
 x= -1
by using 10x +4y = -6 
apply x= -1
-10+4y= -6
4y= -6 +10
4y=4
y=1 
so the answer is x=-1 and y= 1
 
        
             
        
        
        
No because a square pyramid must hav a square for its base and a square is not a triangle
answer is not possible
        
                    
             
        
        
        
Answer:
D
Step-by-step explanation:
Multiply the circumference by the diameter which is D 
 
        
             
        
        
        
Answer:
y =5
Step-by-step explanation:
m= 
−9−7
5−5
 = 
−16
0
 =0
y=mx+b
5=(0)(7)+b
b=5
therefore y = 5
 
        
                    
             
        
        
        
The value of the function 1) f -g = 2x² - 3x + 6 and 2) f(g(2)) is 3.
Here the two functions are given, f(x) and g(x).
f(x) = 2x² + 1
g(x) = 3x - 5
We have to find f-g and f(g(2)).
1) f- g
f(x) - g(x)
(2x² + 1) - ( 3x - 5)
2x² + 1 - 3x + 5
2x² - 3x + 6
2) f(g(2))
f(g(x)) = 2(3x-5)² + 1
          = 2( 9x² - 30x + 25) + 1
          = 18x² - 60x + 50 + 1
          = 18x² - 60x + 51
f(g(2)) = 18(2)² - 60(2) + 51
           =18× 4 - 120 + 51
           = 72 - 120 + 51
           = 123 - 120
           = 3
Therefore the value of f-g is 2x²- 3x + 6 and the value of f(g(2)) is 3.
To know more about the function refer to the link given below:
brainly.com/question/11624077
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