Answer:
6
Step-by-step explanation:
If the sum of the digits of a number is divisible by 9, then the number is divisible by 9.
So 6+7+8+5+Δ+4 = Δ + 30 has to be divisable by 9, and of course 0≤Δ≤9
36 is divisable by 9, so Δ has to be 6.
Answer: X = 1/7
Step-by-step explanation:
37x = 9x + 4
subtract 9x to both sides
28x = 4
now divide by 28
x = 4/28
simplified its
x = 1/7
Answer:
|(15,055) is the number of pages in a book with
15,055 words.
Step-by-step explanation:
becuz the no of pages is a function to the words ..
Ur lines are parallel...they never intersect...means there is no solution...
ur answer { } or empty set