Find all possible solutions to the problem.List the 4-digit numbers that can be written using each of the digits 3, 5, 7, and 9 once and only once.
What will be an ideal response?
3579, 3597, 3759, 3795, 3957, 3975
5379, 5397, 5739, 5793, 5937, 5973
7359, 7395, 7539, 7593, 7935, 7953
9357, 9375, 9537, 9573, 9735, 9753
You might also like to view...
Find the vertices and the foci of the given ellipse.
+ 
= 1
A. V: (0, -9), (0, 9);
F: (0, -3), (0, 3)
B. V: (0, -3), (0, 3);
F: (0, - 
) and (0, 
)
C. V: (-3, 0), (3, 0)
F: (- 
, 0), (
, 0)
D. V: (0, 9), (4, 0);
F: (0, 3), (2, 0)
A patient's ankle is x-rayed at a distance (FFD) of 30in with a current level of 75mA. A second x-ray is to be taken at a distance of 20in with the same exposure time. What should the current level be set at for the second x-ray?
A. 150mA B. 3.3mA C. 25mA D. 50mA
Solve the problem.How many liters of a 30% alcohol solution must be mixed with 50 liters of a 90% solution to get a 50% solution?
A. 15 L B. 10 L C. 150 L D. 100 L
Answer the question.The points (-6, -1) and (6, 5) are the points at which the diagonal of a square intersects the square. What are the coordinates of the center of the square?
A. (1, 2) B. (0, 3) C. (0, 2) D. (1, 3)