Recent content by krishnamurthy

  1. K

    Algebraic methods: the elimination method?

    3x + 4y = 8.10 x +3y = 4.20 x = 4.20 - 3y 3(4.20 - 3y) + 4y = 8.10 5y = 4.50 y = 0.9 x = 1.5
  2. K

    What is the mass per unit area of an 8.5 inch by 11 inch lead sheet that weighs 202 gm?

    Area of the lead sheet = 8.5 inch x 11 inch = 93.5 sq. in. It weighs 202 gm. Hence mass per unit area = 202/93.5 gm per sq.in. = 2.16 gm per sq. in.
  3. K

    What is the mass per unit area of an 8.5 inch by 11 inch lead sheet that weighs 202 gm?

    Area of the lead sheet = 8.5 inch x 11 inch = 93.5 sq. in. It weighs 202 gm. Hence mass per unit area = 202/93.5 gm per sq.in. = 2.16 gm per sq. in.
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