Work the following problem on your calculator. Do not write down or round off any intermediate answers.
?

?
A. 1
B. 0.3
C. 0.6
D. 3
E. 0.4
Answer: A
Mathematics
You might also like to view...
We give an expression describing the number that corresponds to the natural number n. Use this expression to describe a one-to-one correspondence between the natural numbers and one of its subsets.4n - 1
A.
1, | 2, | 3, | 4, 5, ..., | n, ... |
? | ? | ? | ? ? ? |
2, 6, 10, | 14, 18 ..., | 4n - 1, ... |
B.
1, | 2, | 3, | 4, 5, ..., | n, ... |
? | ? | ? | ? ? ? |
1, 5, 9, 13, 17 ..., | 4n - 1 , ... |
C.
1, | 2, | 3, | 4, 5, ..., | n, ... |
? | ? | ? | ? ? | ? |
3, 7, 11, 15, 19 ..., | 4n, ... |
D.
1, | 2, | 3, | 4, 5, ..., | n, ... |
? | ? | ? | ? ? ? |
3, 7, 11, 15, 19 ..., | 4n - 1, ... |
Mathematics
Subtract.
A. 36,443 B. 32,443 C. 32,357 D. 32,437
Mathematics
Simplify.
A. 16
B.
C.
D. 1
Mathematics
Simplify the expression.(1 + cot ?)(1 - cot ?) - csc2 ?
A. 2 B. 0 C. 2 cot2 ? D. -2 cot2 ?
Mathematics