A wire of length 20cm is cut into two pieces, each of which is bent into a square, (a) If the length of the side of one square is x cm, show that the length
of the side of the other square is (5 - x) cm.
The total area of the two squares is 14.5cm
(b) Find the lengths of the two pieces of wire.

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Ответ:

meichea

14.02.2020

Mathematics

Step-by-step explanation:

By PEDMAS, do multiply & division first, then do subtraction

21 ÷ 7 * 3 - 4 * 2

= (21 ÷ 7 * 3) - (4 * 2)

= (3 * 3) - (8)

= 9 - 8

= 1

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A wire of length 20cm is cut into two pieces, each of which is bent into a square, (a) If the length of the side of one square is x cm, show that the lengthof the side of the other square is (5 - x) cm.The total area of the two squares is 14.5cm(b) Find the lengths of the two pieces of wire.