Answer:
multiply both side by 2 to get rid of the 2
z(2)=6(2)
z=12
4x+5-2x+1=2x-5
(4x-2x)+(5+1)=2x-5
2x+6=2x-5
2x=2x-11
2x-2x=-11
0=-11 no solution
Answer:
27,600
Step-by-step explanation:
We use the following formula:-
Number of permutations of r from n
= nPr
= n! / (n-r)!
I am assuming you don't allow repeated letters in the 4 letter codes.
Take S as the first letter. Then we have 3 letters extra out of 25 letters.
Using the above formula the possible ways of doing this is
25! / (25 - 3)!
25! / 22!
= 25*24*23
= 13800.
The same number is obtained if the first letter is a T.
So the answer is 2*13800
= 27,600
That is describing the fact that width of the rectangular screen has a relation to the height of the rectangular screen which equals to
