If possible, solve the system below by the method of substitution.
A. 
B. 
C. 
D. 
E. 
Answer: C
Mathematics
You might also like to view...
Evaluate the expression for the given replacement values. Write the answer in simplest form.x + y for x = 
, y = 
A. 
B. 
C. 
D. 
Mathematics
Find all the second order partial derivatives of the given function.f(x, y) = x ln (y - x)
A. 
= 
; 
= - 
; 
= 
= 
B. 
= 
; 
= - 
; 
= 
= 
C. 
= 
; 
= - 
; 
= 
= - 
D. 
= 
; 
= 
; 
= 
= 
Mathematics
Use a graphing calculator to find the value of the determinant.
A. 22 B. -22 C. 142 D. -2
Mathematics
Solve the problem.A certain radioactive isotope decays at a rate of 0.175% annually. Determine the half-life of this isotope, to the nearest year.
A. 396 yr B. 172 yr C. 4 yr D. 286 yr
Mathematics