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use "equations" in a sentence


Albert Einstein once said, "Concern for man and his fate must always form the chief interest of all technical endeavors.

Never forget this in the midst of your diagrams and equations.

" These equations are too long to remember.

I hope we can use our notes during the math exam.

Albert Einstein once said, "Concern for man and his fate must always form the chief interest of all technical endeavors.

Never forget this in the midst of your diagrams and equations.

" Albert Einstein once said, "Concern for man himself and his fate must always form the chief interest of all technical endeavor.

Never forget this in the midst of your diagrams and equations.

" "And you know that you have often said, yourself,[Pg 42] that there wasn't a book written that could teach you anything up to quadratic equations.

"Quadratic equations, my lord.

Both these equations[Pg 134] were employed by Kepler.

Buckhardt, whose formulae were used in the calculation of the Nautical Almanac for many years, employs no less than 37 equations of the Moon’s mean longitude.

The fact is that only three of these equations are necessary in order to obtain the Moon’s true place in the ecliptic at any time, and for the syzygy only one equation is necessary.

The trouble has arisen from the fact that the eccentricity of the Moon’s orbit has been wrongly estimated, and most of these equations now employed by astronomers are effectual only in correcting this false estimate.

It is found that by taking the present mean motion of the Moon and applying the various equations, found necessary to bring the calculations into line with observations of the Moon’s position in the zodiac, a considerable difference is found to exist between the calculated place of the Moon and its recorded position at the time of ancient eclipses.

When it became clear that here was a type, not recognised or described by any previous anthropologist, and one, moreover, with a rather unusual distribution, it was felt that it should receive a name, which should identify it neither with any people past or present, nor with any language, for such equations would inevitably lead to confusion, nor with any place or country, for its place of origin was uncertain.

If ferrous chloride is present the further decompositions can be explained by such equations as those given by Olshausen[22].

The equations do not claim to give a complete statement of the reactions, for other reactions take place at the same time; thus ferric hydrates and carbonates and perhaps also intermediate compounds of oxygen and chlorine occur; they show however that in the oxidation of ferrous chloride, oxides and ferric chloride are produced, so that new and hitherto intact particles of the metal continually react with the ferric chloride.

This reaction is the result of the simultaneous action of the oxygen and of the carbonic acid of the air upon the copper and upon the sodium chloride in the presence of moisture, as is represented by the following equations: 4Cu + 4O = 4CuO 4CuO + 2NaCl + CO2 + 4H2O = 3CuO, CuCl2, 4H2O + Na2CO3.

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