Rhombus ABCD has diagonals of AC = 90 cm and BD = 49 cm. Calculate the perimeter of the rhombus ABCD. Round answer to 3 significant figures. (HINT: Draw a picture.)

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Step-by-step explanation:

the first one is x^2+2x+2

the second one is x^2+4

the last one is x^2-4x+8

change of stock price/initial stock price on friday * total stock value = change of stock value

0.89/73.73 *x = 42.72

x=3539.04 = total stock value at initial stock price on friday .

total stock value at initial stock price on friday/ initial stock price on friday = number of shares

3539.04/73.73 = 48 shares

they own 48 shares of this stock