Provide an appropriate response.A student argued that it is impossible to use the substitution method to determine if a system of equations has no solution or an infinite number of solutions. Is the student correct?
Fill in the blank(s) with the appropriate word(s).
No
Mathematics
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Multiply.(5.6x6)(4x5)
A. 2.24x11 B. 22.4x11 C. 22.4x30 D. 224x30
Mathematics
Find all the second order partial derivatives of the given function.f(x, y) = x ln (y - x)
A. 
= 
; 
= - 
; 
= 
= 
B. 
= 
; 
= - 
; 
= 
= 
C. 
= 
; 
= - 
; 
= 
= - 
D. 
= 
; 
= 
; 
= 
= 
Mathematics
Write an equation for the ellipse.Foci (±6
, 0) and x-intercepts (±9, 0)
A. 
+ 
= 1
B. 
+ 
= 1
C. 
+ 
= 1
D. 
+ 
= 1
Mathematics
Graph the equation.
?
?
A. 
B. ?
C. ?
D. ?
Mathematics