Question

QUESTION 17 \(a + 5 \equiv 5 \pmod{9}\), which of the following is true? \(9 | a\) \(5 | 9\) \(5 | a\) \(a | 9\) QUESTION 18 Solve the following congruence (give the smallest nonnegative solution): \(a + 6 \equiv 2 \pmod{7}\)

          QUESTION 17
\(a + 5 \equiv 5 \pmod{9}\), which of the following is true?
\(9 | a\)
\(5 | 9\)
\(5 | a\)
\(a | 9\)
QUESTION 18
Solve the following congruence (give the smallest nonnegative solution):
\(a + 6 \equiv 2 \pmod{7}\)

QUESTION 17
a + 5 ≡ 5 9, which of the following is true?
9 | a
5 | 9
5 | a
a | 9
QUESTION 18
Solve the following congruence (give the smallest nonnegative solution):
a + 6 ≡ 2 7

Added by James B.

Computer Science and Information Technology

Trishna Knowledge Systems 2018 Edition

Instant Answer

Solved by Expert Robert Fox

Step 1

To do this, we can start by finding the remainder when a + 55 is divided by 9. Let's assume a = x (where x is a positive integer). So, a + 55 = x + 55. Now, we need to find the remainder when x + 55 is divided by 9. We can rewrite x + 55 as (9k + r), Show more…

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QUESTION 17 a + 55 mod 9, which of the following is true? O91a 519 O51a 61eO QUESTION 18 Solve the following congruence (give the smallest nonnegative solution): a + 62 mod 7 Paragraph Arial 12pt. E-ET. DOQTT Save and submit. Click "Save All Answers" to save all answers.