Solve the system by the substitution method or the addition method.
A. (9, -6)
B. (12, 3)
C. (3, -5)
D. (5, 3)
Answer: C
Mathematics
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Solve by the method of elimination by substitution.2x + 2y = 95x + 5y = 10
A. x = 1, y = 1 B. x = 3, y = 5 C. Dependent D. Inconsistent
Mathematics
Find the average value of the function f over the given region.f(x, y) = ex2 over the region bounded by 
, 
, 
, and 
.
A. 
B. e - 1
C. 
D. 2e - 1
Mathematics
Identify the type of surface represented by the given equation.
- 
- 
= 1
A. Elliptical cone B. Ellipsoid C. Hyperboloid of one sheet D. Hyperboloid of two sheets
Mathematics
Factor completely.50x10 - 8
A. 2(5x5 - 2)(5x5 + 2) B. 2(25x10 - 4) C. (10x5 - 4)(5x5 + 2) D. 2(5x5 - 2)2
Mathematics