Solve the system of equations using substitution. Note that the system may be inconsistent or consistent with dependent equations.
A. (2, 1)
B. (1, -2)
C. (1, 2)
D. (1, 4)
Answer: A
Mathematics
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Find the surface area of the circular solid. Unless otherwise specified, use 3.14 for ? and round your answer to the nearest tenth.A right circular cylinder with r = 5 cm, h = 7 cm
A. 376.8 cm2 B. 266.9 cm2 C. 549.5 cm2 D. 188.4 cm2
Mathematics
Write as a decimal.
%
A. 0.5175 B. 0.5125 C. 5.1025 D. 0.0535
Mathematics
Determine the number of real-number solutions of the equation from the given graph.-2x2 - x - 1 = 0, given the graph of y = -2x2 - x - 1
A. 2 B. 3 C. 1 D. 0
Mathematics
Find an equation for the hyperbola described.Vertices (
, -3) and (- 
, -3); asymptotes 
A. 
- 
= 1
B. 
- 
= 1
C. 
- 
= 1
D. 
- 
= 1
Mathematics