Question

40. Find the cost of fencing a rectangular field 260 m long and 175 m wide at the rate of rupees

Per metre.

41. Find the value of x when 27:x::63:84.

42. Determine whether the following are in proportion or not:

2kg: 80kg. And 25g : 625 g.

43. Express in simplest form :. 324/144

44. Simplify : 2x²- xy +6x – 4y + 5xy – 4x + 6 x² + 3y.

45. Find the value of 3x – 2y + 4z where x= 1 y = 2 z= - 5

Give me the answer fast too hurry​

Answer 1

Answer:

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Step-by-step explanation:

Answer 2

40 . Incomplete question

41. 36

42. No

43. 9/4

44. 8x² + 4xy + 2x - y

45. -15