An apple picker knows that a rock is 6 ft away from the base of an apple tree and wants the rock to be 10 ft diagonally from the base of his ladder. if the apple tree is 15 ft tall, how long does the ladder need to be to reach the top of the tree?

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Ifound this on google “that means that the graph of a function with direct variation has these features: it is a straight line: because the slope is the ratio y/x = k. it passes through the origin (0,0): because y = kx = k (0) = 0.” i hope this you for what your looking for