i got:
n = -1 + 3/x
x = 3/n + 1
not sure if this helps but i hope it does somehow
Answer:
1287
Step-by-step explanation:
The number of combinations of 13 diamonds taken 5 at a time is ...
13C5 = 13·12·11·10·9/(5·4·3·2·1) = 13·11·9 = 1287
Answer:
175
Step-by-step explanation:
140
140/4=35
140+35=175
Answer:
B
Step-by-step explanation:
(f+g)(x)=f(x)+g(x)
3x+1+x2-6 = x2+3x-5