Answer:
576
Step-by-step explanation:
8*8 = 64
If dimensions are tripled, you get 24. 24*24 = 576
Answer:
70 decreased by 20% = 56
Absolute change (actual difference):
56 - 70 = - 14
Step-by-step explanation:
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:
Step-by-step explanation:
For a:
ax = c - by
a = (c - by)/x
For x:
ax = c - by
x = (c - by)/a
For b:
by = c - ax
b = (c - ax)/y
For y:
by = c - ax
y = (c - ax)/b