Answer: I am pretty sure it is -1 because it is vertically across
Step-by-step explanation: I am so sorry if it is not right
Answer:
19448 ways
70572902400 ways
Step-by-step explanation:
(a)
To arrange 17 books on a shelf from a possible we use the combination formula :
nCr = n! ÷ (n-r)!r!
17C10 = 17! ÷ 7! 10!
17C10 = 19448 ways
To arrange the books in alphabetical order :
2)
In question, 2, the order of arrangement matters ; hence, we use permutation ;
nPr = n! ÷ (n-r)!
17P10 = 17! ÷ (17 - 10)! = 17! ÷ 7!
17P10 = 70572902400
Solve (x) F(x)=x^2+3x-2 is x-2
Answer:
17.64
Step-by-step explanation:
Multiply 4.2 by its self also ive had this question before so i know the answer
