Answer: 1/4x + 1/2x = 12
x = 16
Step-by-step explanation: combine the 1/4x and 1/2x to 3/4x because they are like terms then divide 12 by 3/4 or 0.75 to get 16
Answer:17hrs
Step-by-step explanation:
520/8=65
1105/65
17
Answer:
24,192.
Step-by-step explanation:
The first number must be one of 2,3,4,5,6,7,8 or 9. That is 8 possibilities.
The number of permutations of the other 4 numbers is 9P4
= 9! / (9-4)!
= 3024
Now we multiply by the 8:
3024 * 8
= 24,192.
Answer:
False
Step-by-step explanation:
Plug 16 into the function as x
16+12=28
4≠28
Answer:
48 or 66
Step-by-step explanation:
Even numbers have digits that add to 12: 39, 48, 57, 66, 75.
48 and 66 are even and add up to 12.