State whether the common form of the argument is valid or invalid and give a reason. p ? q
? q
A. Invalid, fallacy of the converse
B. Invalid, fallacy of the inverse
C. Valid, contrapositive reasoning
D. Valid, direct reasoning
Answer: D
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Provide an appropriate response. Find the area of the segment formed by a 14 cm chord if the height of the triangle part of the sector is 7 cm. The central angle is 90°.
A. 10.52 cm2 B. 21.03 cm2 C. 27.97 cm2 D. 10.94 cm2
In a series circuit, R = 2.2 Kê, XL = 6.2 Kê, and XC = 9.8 Kê. Find Z and é.
a. Z = 18.2 Kê, é = -83.1ø b. Z = 4.2 Kê, é = -58.6ø c. Z = 18.2 Kê, é = 83.1ø d. Z = 16.2 Kê, é = 82.2ø e. Z = 16.2 Kê, é = -58.6ø
Find the exact value of y, or state that y is undefined.y = cos-1
A. 
B. 
C. 
D. 
Solve the problem.Doctors predict that by administering a vaccine, the number of new cases of a certain childhood disease will decrease by half each year. If 1200 people were afflicted with the disease in 2000, estimate the number of new cases in 2005. (Round to the nearest whole number.)
A. 38 new cases in 2005 B. 19 new cases in 2005 C. 75 new cases in 2005 D. 150 new cases in 2005