Answer: 21 & 18
Step-by-step explanation:
Sum of two numbers is 39
Difference is 3
Let the numbers be x & y
X+y=39........equation 1
X-y=3...........equation 2
X=3+y............equation 3
Substitute equation 3 into equation 1
(3+y)+y=39
3+y+y=39
3+2y=39
2y=39-3
2y=36
Y=36/2
Y=18
Substitute for y in equation 2
X-y=3
X-18=3
X=3+18
X=21
The two numbers are 21 & 18
 
        
             
        
        
        
Answer:
the answer is true
Step-by-step explanation:
 
        
             
        
        
        
Luktdkilfdiykfg;oizxkuilouyk7it8rl,kvkuc kugc ulv lug 
        
             
        
        
        
Answer: k ≤ -4 or k ≥  
 
<u>Explanation:</u>
                       | 3k + 4 | ≥ 8
3k + 4 ≥ 8             or                3k + 4 ≤ -8
<u>       -4</u>  <u> -4  </u>                              <u>       -4</u>    <u>-4 </u> 
3k       ≥ 4              or                3k       ≤ -12 
<u>÷3       </u> <u>÷3  </u>                              <u> ÷3       </u>   <u>÷3 </u> 
 k        ≥  or                 k       ≤  -4
            or                 k       ≤  -4
 
        
             
        
        
        
Answer:
the answer is an equal sign