The electrical resistance R ohm of a wire varies directly as the length L cm and inversely as the square root of the diameter d cm a. Express d in terms of L, R and the constant of proportionality K.
b. Find the value of correct to 2 decimal places when L=15, R=0.13ohms and K=1×10 to the power minus three.

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step-by-step explanation:

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

68719476736

step-by-step explanation:

8*8*8*8*8*8*8*8*8*8*8*8=68719476736

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step-by-step explanation: