Find the area of the figure. Use 3.14 for ?.
A. 882.8 cm2
B. 977 cm2
C. 1,134 cm2
D. Not enough data
Answer: C
Mathematics
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Show that the set has cardinal number ?0 by establishing a one-to-one correspondence between the natural numbers and the given set. Be sure to indicate the general correspondence.
A.
| 1, | 2, | 3, | 4, | 5, ..., n, ... |
| ? | ? | ? | ? | ? | ? |
, 
, 
, 
, 
, ... , 
, ...B.
| 1, | 2, | 3, | 4, | 5, ..., n, ... |
| ? | ? | ? | ? | ? | ? |
, 
, 
, 
, 
, ... , 
, ...C.
| 1, | 2, | 3, | 4, | 5, ..., n, ... |
| ? | ? | ? | ? | ? ? |
, 
, 
, 
, 
, ... , 
, ...D.
| 1, | 2, | 3, | 4, | 5, ..., n, ... |
| ? | ? | ? | ? | ? ? |
, 
, 
, 
, 
, ... , 
, ...
Mathematics
Perform the indicated operation. Write the answer in scientific notation.
A. 8.8 × 101 B. 8.8 × 103 C. 4.40 × 103 D. 4.40 × 101
Mathematics
Solve.A boat goes 480 miles downstream in the same time it can go 400 miles upstream. The speed of the current is 4 miles per hour. Find the speed of the boat in still water.
A. 40 mph B. 48 mph C. 88 mph D. 44 mph
Mathematics
Find the domain and the range of the function.
A. D: All real numbers, R: All real numbers B. D: x ? 0, R: y ? 0 C. D: x > 0, R: y > 0 D. D: x ? 0, R: y ? 0
Mathematics