exam
Maths Puzzle
Numerical Ability
Can u please help me solve this equation:
[2x-5 4y+3z] -7 31
=
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exam Other Question
Let n denote an integer greater than 1. Which of the following statements are true?
i. if 2^n -1 is prime, then n is prime
ii. if n is prime, then 2^n - 1 is prime
iii. if 2^n -
Graph the inequality
2x+3y>6
2x+3y>6
3y>-2x+6
y>-2/3x + 2 (0,3)(2,0)
Double checking my work to see if I did these right.