janae30 janae30
  • 23-03-2018
  • Mathematics
contestada

What is n -7_> 2. ( p.s. that’s a greater than equal to sign_>)

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Americ
Americ Americ
  • 23-03-2018
n - 7 ≥ 2
add 7 to both sides
n ≥ 2 + 7
n ≥ 9

ANSWER: n ≥ 9

Hope this helps! :)
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thì nghiệm nén xác định cường độ của bê tông trên ba mẫu thí nghiệm hình trụ HxD=300x150(mm). kết quả thu được lực phá hoại P1=45200daN, P2=46800daN, P3=46000da