Solve the problem.A mobile device has a screen that measures 9.2 in. across its diagonal. Convert this to centimeters.
A. 36 cm
B. 2.3 cm
C. 23 cm
D. 3.6 cm
Answer: C
Mathematics
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For the given rectangular equation, write an equivalent polar equation.xy = 4
A. r = 4 sin ? cos ?
B. r = 
C. r2 = 
D. r2 = 4 sin ? cos ?
Mathematics
Calculate the area of the surface S. S is the portion of the cone 
+ 
= 
that lies between z = 2 and z = 4.
A. 
?
B. 
C. 
?
D. 
?
Mathematics
For the experiment described, write the indicated event in set notation.A die is tossed twice with the tosses recorded as an ordered pair. Represent the following event as a subset of the sample space: The first toss shows a six.
A. {(6, 1), (6, 2), (6, 4), (6, 5), (6, 6)} B. {(6, 1), (6, 3), (6, 5)} C. {(6, 3)} D. {(6, 1), (6, 2), (6, 3), (6, 4), (6, 5), (6, 6)}
Mathematics
Add or subtract as indicated.
- 
A. 
B. 
C. 
D. 
Mathematics