Answer:
L= 5+2s
Step-by-step explanation:
Let L = the larger # and S = the smaller #.
A large # is 5 more than twice a smaller #.....This gives Eq 1) L = 5 + 2S
Their sum is 80...This gives Eq 2) L + S = 80.
Substitute Eq 1) into Eq 2), you get
L + S = 80
5 + 2S + S = 80
L = 5 + 2S
   
 
        
             
        
        
        
Answer: 84
Step-by-step explanation:
The total number of the questions is 9
Possible question is 3
This is combination
Therefore n=9 and r=3
Combination formula=n! / ((n-r)! r!)
9C3=9! /((9-3)! 3!)
=362880 /(6! 3!)
=362880/4320
=84
 
        
             
        
        
        
Answer:
Step-by-step explanation:
x=2
y=3
z=4
2+7=9
3+21=24
12+4=16
4+3=7
2*3=6
 
        
             
        
        
        
Im not too sure so dont take my word.
But if you're rounding the fraction to half or whole.
I would round down from 8/14 , to 7/14.
Which 7/14 simplified is 1/2
Your answer is 7/14 i believe 
        
                    
             
        
        
        
all you have to do is substitute all the Xs to and get a final y output.
for example:
if we take the number x is -1 all you do is:
y=-4(-1)+2
y=4+2
y=6