An Introduction to Algebra: With Notes and Observations; Designed for the Use of Schools and Places of Public Education

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Joseph Crukshank, 1806 - 208 sider
 

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Side 86 - If A and B together can perform a piece of work in 8 days, A and C together in 9 days, and B and C in 10 days : how many days would it take each person to perform the same work alone ? Ans.
Side 84 - His head weighed as much as his tail and half his body, and his body weighed as much as his head and tail together.
Side 85 - A hare is 50 leaps before a greyhound, and takes 4 leaps to- the greyhound's 3, but 2 of the greyhound's leaps are as much as 3 of the hare's ; how many leaps must the greyhound take to catch the hare ? Ans. 300.
Side 85 - ... and the chaise to twice the price of the horse and harness ; what did he give for each ? Ans. 13/.
Side 34 - Note. The whole number of terms will be one more than the index of the given power ; and when both terms of the root are +, all the terms of the power will be...
Side 198 - Multiply the log. thus found, by the index of the power proposed. -Find the number answering to the product, and it will be the power required. Note. In multiplying a logarithm with a negative index, by an affirmative number, the product will be negative. But what is to be carried from the decimal part of the logarithm, will always be affirmative.
Side 84 - A post is I in the mud, ~ in the water, and 10 feet above the water : what is its whole length ? Ans. 24 feet.

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