-8 + k = -17
k = -17 + 8
k = 8 -17
k = -9
Unique pair of dates...use "n choose k" formula:
n!/(k!(n-k)!), n=number of total possible choices, k=number of selections
365!/(2!(363!))
66430 unique combinations
Answer:x = 1.5
Step-by-step explanation:
3 = x / 2
First get rid of / 2
3/2 = 1.5
:D
12-(x+3)=10
Simplify the equation.
12-x-3=10
Combine like terms.
(12-3)-x=10
Simplify.
9-x=10
Subtract 9 from both sides to get x by itself.
-x=1
Divide both sides by -1 to get x by itself.
x=-1
~Hope I helped!~