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" If the errors are alike, divide the difference of the products by the difference of the errors, and the quotient will be the answer. .5. If the errors are unlike, divide the sum of the products by the sum of the errors, and the quotient will bo the answer. "
Daboll's Schoolmaster's Assistant, Improved and Enlarged - Σελίδα 188
των Nathan Daboll - 1825 - 240 σελίδες
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A Treatise of Arithmetic: In Whole Numbers & Fractions. Wherein All the ...

Thomas Weston (Master of the Academy at Grenwich.) - 1729 - 460 σελίδες
...of the ERRORS ; but if they are of DIFFERENT Kinds, to wit, ONE an EXCESS, and the OTHER a DEFECT, divide the SUM of the PRODUCTS by the SUM of the ERRORS, and the QUOTIENT will give the NUMBER SOUGHT. DEMONSTRATION. Whether the ERRORS are of the SAME or DIFFERENT Kinds, the RULE...

A New Introduction to the Mathematicks: Being Essays on Vulgar and Decimal ...

Benjamin Donne - 1758 - 428 σελίδες
...be the Number fought : But if the Errors are unlike, that is, one too great, the other too little, divide the Sum of the Products by the Sum of the Errors, and the Quotient will give the required Number. Or mind this memorial Rule : Unlike Signs Addition doth defire, Alike Signs...

Mathematics: Compiled from the Best Authors and Intended to be the ..., Τόμος 1

1801 - 446 σελίδες
...of the products. 4. If the errors be alike, divide the difference of the products by the difference of. the errors, and the quotient will be the answer. 5. If the errors be unlike, divide the sum of the products by the sum of the errors, and the quotient will be the answer....

A New System of Mercantile Arithmetic: Adapted to the Commerce of the United ...

Michael Walsh - 1807 - 290 σελίδες
...the products by the difference ot the errors, and the quotient is the answer: But if the errors be unlike, divide the sum of the products by the sum...of the errors, and the quotient will be the answer. EXAMPLES. 1. В asked С how much his horse cost ; С answered, that if he cost him three times as...

The Scholar's Arithmetic; Or, Federal Accountant ...: The Whole in a Form ...

Daniel Adams - 1807 - 248 σελίδες
...products by the diñerence of the errors,and the quotient will be the answer ; but if the errors be unlike, divide the sum of the products by the sum...of the errors, and the quotient will be the answer. EXAMPLES. 1. A MAN lying at the point of death, left to his three sons all his estate, viz. to F half...

A Course of Mathematics ...: Designed for the Use of the Officers ..., Τόμος 1

Isaac Dalby - 1807 - 476 σελίδες
...quotient will be the answer. But if the errors are unlike for one too great, and the other to little) divide the sum of the products by the sum of the errors, for the answer. This rule is founded on the supposition that the differences between the true and supposed...

A Course of Mathematics: For the Use of Academies as Well as Private Tuition

Charles Hutton - 1812 - 620 σελίδες
...difference of the products by the difference of the errors, and the quotient will be the answer. But if the errors are unlike, divide the sum of the products by the sum of the errors, for the answer. Note, The errors are said to be alike, when they are either both too great or botli...

A System of Arithmetic: Reprinted from the Mathematical Text-book

Samuel Webber - 1812 - 260 σελίδες
...of the products." 4. If {he errors be alike, divMe the difference of the products by the difference of the errors, and the quotient will be the answer. 5. If the errors be unlike, divide the sum of the products by the sum of the errors, and the quotient will be the answer....

Daboll's Schoolmaster's Assistant: Improved and Enlarged : Being a Plain and ...

Nathan Daboll - 1813 - 244 σελίδες
...the first error. 4. If the errors are alike, divide the difference of the products by the difference of the errors, and the quotient will be the answer....5. If the errors are unlike, divide the sum of the pith ducts by the sum of the errors, and the quotient will lie the answer. NOTE. — The errors are...

A New System of Mercantile Arithmetic: Adapted to the Commerce of the United ...

Michael Walsh - 1816 - 288 σελίδες
...errors, and the quotient is the answer : But if the errors be unlike, divide the sum of the products ky the sum of the errors, and the quotient will be the answer. EXAMPLE». 1 . В asked С how much his horse cost j С answered, that if he ro.,1 him three times...




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