Un paralepípedo tiene un vértice en el origen del cual parten tres lados dados por los vectores u = i - j + 3,6k

v = i + 3j + xk

w = 2i + j + 2.5k

Encuentre el valor de x, si el volumen es 18,3 unidades cúbicas.

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Paula makes stained-glass windows and sells them to boutique stores. if her costs total $12,000 per year plus $4 per window for the frame. how many windows must she produce to earn a profit of at least $48,000 in one year if she sells the windows for $28 each? 1. define a variable for the situation. 2. write an inequality that represents her profit. note: revenue is money coming in. cost is money going out. profit is the difference between the revenue and the cost. in other words: revenue - costs profit 3.using words, describe how many windows she must sell to have a profit of at least $48,000.