Answer:
1386
Step-by-step explanation:
V=πr²*h
V=22/7*7²*9
V=1386
 
        
             
        
        
        
Answer:
---            ---
|  -5     -2   |
|   4      12  |
---           ----
Step-by-step explanation:
A matrix can only be added to (or subtracted from) another matrix if the two matrices have the same dimensions . To add two matrices, just add the corresponding entries, and place this sum in the corresponding position in the matrix which results.
 
        
             
        
        
        
(20+2.5)x = cost 
when x equals number of tickets
(20+2.5)24 = 540
        
             
        
        
        
Answer:
30
Step-by-step explanation:
3/5 = he has 5 at the end.
gave 2/3 to son which means 15 out of 10 to son.
gave half to daughter which is 15/30, so he ends up with 2 and the least amount he can start with is 30.
 
        
             
        
        
        
19 tens are in 192 if you multiply 19 by 10 you will get 190 so the answer is 192 hope this helped brainly plz if correct