What is a simple way to find 12 mod 7 + 12 mod 7 + 12 mod 7 + 12 mod 7?
1 answer:
12 ≡ 7 + 5 ≡ 5 (mod 7)
so
12 + 12 + 12 + 12 ≡ 4•12 ≡ 4•5 ≡ 20 ≡ 14 + 6 ≡ 6 (mod 7)
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Answer:
20
Step-by-step explanation:
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Answer:
8 + 18+ 28+ 38+ 48= 140
Step-by-step explanation:
38 degrees
x+52=90
90-52=36
Therefore, angle 2 equals 36 degrees
