Jack can give three apples to 18 friends and have 2 left over
Answer:
Step-by-step explanation:
It is 6 and the sentence is 4+2
Answer:
it is a true
Step-by-step explanation:
because they mean the same thing just written differently
Answer:
4.37 x 10^5
Step-by-step explanation:
Answer above
If x ≡ 7 (mod 20), then
x ≡ 7 ≡ 27 ≡ 47 ≡ 67 ≡ 87 ≡ … (mod 20)
or equivalently, x = 7 + 20k for some integer k.
Taken mod 4, we have
x ≡ 7 + 20k ≡ 3 (mod 4)
and mod 5,
x ≡ 7 + 20k ≡ 2 (mod 5)
so that a = 3 and b = 2.
