Find the vertex.f(x) = 8x2 - 160x + 805
A. (5, 10)
B. (5, 0)
C. (10, 5)
D. (10, 0)
Answer: C
Mathematics
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Use an Euler diagram to determine whether the argument is valid or invalid.Some cars are considered sporty.Some cars are safe at high speeds.? Some sports cars are safe at high speeds.
A. Invalid B. Valid
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Provide an appropriate response.Which fraction is larger, 
or 
?
A. 
B. 
Mathematics
Solve the system of equations.
A. x = -2, y = -4, z = 5; (-2, -4, 5) B. x = 5, y = -4, z = -2; (5, -4, -2) C. x = 5, y = -2, z = -4; (5, -2, -4) D. inconsistent
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Substitute the given values into the formula and solve for the unknown variable.I = prt; I = 10.8, p = 270, r = 0.04
A. 1.1664 B. 1 C. 116.64 D. 0.1
Mathematics