Answer:sorry need some points for help
Sorry so sorry
Step-by-step explanation:
Sorry
There are 6720 ways by 8 distinguishable books be placed in 5 shelves.
According to statement
The number of books (n) is 8
The number of shelves (r) is 5
Now, we find the ways by which the 8 books be placed in 5 distinguishable shelves
From Permutation formula
P(n,r) = n! / (n-r)!
Substitute the values then
P(n,r) = 8! / (8-5)!
P(n,r) = (8*7*6*5*4*3*2*1) / (3*2*1)
P(n,r) = 8*7*6*5*4
P(n,r) = 6720
So, there are 6720 ways by 8 distinguishable books be placed in 5 shelves.
Learn more about PERMUTATION here brainly.com/question/11732255
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Answer:
x
=
±
√
5
−
6
Decimal Form:
x
=
−
3.76393202
…
,
−
8.23606797
…
Step-by-step explanation:
Answer:
(2, 6)
Step-by-step explanation:
if you meant for both of the y to be the same then this should be right
18×4=72=4 hats
26-18=8=1 poster
8+8+72=88=4 hats and 2 posters
72=4 hats
72÷4=18= 1 hat costs $18
16÷2=8= 1 poster costs $8
