1) C
2) D
3) D
4) 160
5) 1536
Answer:
The number is 62
Step-by-step explanation:
Let the digits of the number be T and U;
A 2 digit number is represented as: 10T + U
So,


Required
Find the digit
Make U the subject in the first equation

Substitute 8 - T for U in the second




Collect Like Terms






Recall that:



<em>Hence, the number is 62</em>
Answer:
727
Step-by-step explanation:
esh its right haha
D is 48/-12 simplify that it comes out to -4
E is -54/27 and that simplifies to -2
X+4y=16
4y= x+16
4y/4 = x+16/ 4
y= 4x + 4