Use the method of writing each premise in symbols in order to arrive at a valid conclusion.Every man with a mind can think.A distracted man can't think.A man who is not distracted can apply himself.Therefore, ...
A. Every distracted man can apply himself.
B. Every man with a mind is distracted.
C. Every man who can apply himself has a mind.
D. Every man with a mind can apply himself.
Answer: D
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Solve the problem.A twin-engined aircraft can fly 768 miles from city A to city B in 4 hours with the wind and make the return trip in 6 hours against the wind. What is the speed of the wind?
A. 16 mph B. 64 mph C. 48 mph D. 32 mph
Solve.A salesperson earned $350 a week plus a bonus of $19 for each service contract sold. If the pay one week was $502 how many service contracts were sold?
A. 5 contracts B. 18 contracts C. 2 contracts D. 8 contracts
Convert. When necessary, round the answer to two decimal places.48 feet to yards
A. 144 B. 1728 C. 5.33 D. 16
Let 
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Use a Riemann sum with four subintervals of equal length (
) to approximate the area of R (under the graph of f on the interval [0, 2]). Choose the representative points to be the left end points of the subintervals.
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Repeat previous part with eight subintervals of equal length (
).
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Compare the approximations obtained in previous parts with the exact area (4 sq units). Do the approximations improve with larger n?
?
A. 4.8 sq units; 4.4 sq units; yes
B. 4.4 sq units; 4.8 sq units; yes
C. 4.8 sq units; 4.4 sq units; no
D. 4.4 sq units; 4.8 sq units; no