Find the number of ways all 10 letters of the the word COPENHAGEN can be arranged so that

1 the vowels(A, E,O) are together and the consonants (C, G,H, N,P) are together

2 the Es are not next to each other.

Four letters are selected from the 10 letters of the word COPENHAGEN.

3 Find the number of different selections if thefour letters must contain the same number of Es and Ns with at least one of each.

7

step-by-step explanation:

i'm assuming you need to figure out how many campers go into each tent.

i got the answer by:

24+4=28

28/4=7  

what graph

step-by-step explanation:

the answer is: d) o, f, and kr.

atomic radius of bromine (br) is 114 pm.

atomic radius of oxygen (o) is 73 pm.

atomic radius of fluorine (f) is 72 pm.

atomic radius of krypron (kr) is 112 pm.

the atomic radius of a chemical element is a measure of the size of its atom.

the atomic radius varies with increasing atomic number, but usually increases because of increasing of number of electrons.

the atomic radius decreases across the periods because an increasing number of protons, because greater attraction between the protons and electrons.

final total: 63

step-by-step explanation:

60 times sales tax

60 times 0.05

3

60 + 3

63