maths.......................................................

2006-10-16 9:57 pm
1.Simon has $y pocket money each day and Herry has $36 pocket money each day.If half of Simon's pocket money is$5 more than half of Herry's,how much pocket money does Simon has each day???

2.A wire with length 105cm is cut into two.They are bent to from an equilateral triangle with lengths y cm and a square with lengths 3 cm.Find the area of the square.

回答 (2)

2006-10-16 11:19 pm
✔ 最佳答案
1. 1 / 2 y - 5 = 36 x 1 / 2
1 / 2 y = 23
y =46

Simon has $46 procket money each day.

2. the area of the square:
3x3
=9 cm^2
2006-10-16 10:03 pm
1.
y/2 = 36/2 + 5
y = 46

2.
As the lengths of the square is 3cm, the area of the square = 3 * 3 = 9cm-square


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