Find the reciprocal.
A. 1
B. 8
C. 
D. 0
Answer: B
Mathematics
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Solve the problem.Find the perimeter of the triangle with vertices A(5, 4, 2), B(2, -2, 6), and 
.
A. 
+ 
+ 
B. 
+ 
+ 
C. 
+ 
+ 
D. 
+ 
+ 3
Mathematics
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.{5, 25, 125, 625, ...}
A.
| 1, | 2, | 3, | 4, | ..., | n, | ... |
| ? | ? | ? | ? | ? |
| 5, | 25, | 125, | 625, | ..., | n5, | ... |
B.
| 1, | 2, | 3, | 4, | ..., | n, | ... |
| ? | ? | ? | ? | ? |
| 5, | 25, | 125, | 625, | ..., | 52n, | ... |
C.
| 1, | 2, | 3, | 4, | ..., | n, | ... |
| ? | ? | ? | ? | ? |
| 5, | 25, | 125, | 625, | ..., | 5n, | ... |
D.
| 1, | 2, | 3, | 4, | ..., | n, | ... |
| ? | ? | ? | ? | ? |
| 5, | 25, | 125, | 625, | ..., | 5n, | ... |
Mathematics
Solve the problem.Students at East Central High School earned $344 selling candles. They want to make $2000 for a club trip. What percent of their goal has been reached? Round to the nearest tenth of a percent, if necessary.
A. 1.7% B. 5.8% C. 58% D. 17.2%
Mathematics
Solve the equation.-4.7x + 1.3 = -34.7 - 1.1x
A. {7.7} B. {10} C. {-40} D. {7.9}
Mathematics