Answer:
a. 24
b. 12
Step-by-step explanation:
a. You can choose from 4 cities for the first performance, then from 3 cities, then from 2 cities, then the last city.
4 * 3 * 2 * 1 = 24
b. Think of the three performances in California as a unit. Within this unit, you can choose from 3 cities for the first one, then 2 cities for the second one, and finally 1 city for the last one.
3 * 2 * 1 = 6
Now you can have the 3 California performances first, followed by Denver, or Denver first followed by California.
6 * 2 = 12
Answer:
Do using Pythagoras theorem... Also before doing a question of height and distance always try to make the figure
Step-by-step explanation:
Use the two triangles ABC and ABD to first get the base and find the height of the ladder
Answer:
The probability is 0.5 tiles will be green
Step-by-step explanation:
Hope this helps
The answer is d= -2an+2s/n^2-n
That answer should be in a fraction form.
Similarities: same atomic number
Differences: they have a different number of neutrons
