Answer:a) 870
b) 435
Step-by-step explanation:
a)
number of photos to be posted =n = 30
number of web pages on which they would be posted is 2
Since the order in which the photos appear on the web pages matters,
Number of ways = 30 permutation 2
=870 ways
b)
Since the order in which the photos appear on the web pages does not matter,
Number of ways = 30 combination 2
= 435 ways
Answer:
let the number of snacks bought be x
f(x) = 7 +2.5(x)
=> f(x) is the amount you spend in total
X=7 (let me know if you would like to know how I got the answer)
Answer;
7.77
Step-by-step explanation:
Answer:
any line can be parallel to that as long as the y-intercepts are different and they contain the same slope which in this case, is 3.
Step-by-step explanation:
an example would be y = 3x + 4
