Use an Euler diagram to determine whether the syllogism is valid or invalid.Some investments are risky.Real estate is an investment.? Real estate is risky.
A. Valid
B. Invalid
Answer: B
Mathematics
You might also like to view...
A solution has a hydroxyl ion concentration of 1.43 × 10-12 mol/L. Find the hydrogen ion concentration in this solution.
A. 7 × 103 mol/L [H+] B. 0.07 mol/L [H+] C. 0.7 mol/L [H+] D. 7 × 10-3 mol/L [H+]
Mathematics
Graph the system of inequalities.2x + 3y ? 6 x - y ? 3 x ? 1 
A. 
B. 
C. 
D. 
Mathematics
Solve the problem.At an altitude of 3100 ft, the engine on a small plane fails. What angle of glide is needed to reach an airport runway that is 5 miles away by land? (Round your answer to the nearest tenth of a degree.)
A. 88.9° B. 89.9° C. 6.7° D. 7.7°
Mathematics
Integrate.
A. 2 tan(1 - 2x) + C
B. tan(1 - 2x) + C
C. -2 tan(1 - 2x) + C
D. - 
tan(1 - 2x) + C
E. none of these
Mathematics