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added addition algebraic angle answer Apply arithmetic base called cents certain chapter circle coefficient common Consider cost decimal denominator desired diameter difference digit Divide division Draw equal equation EXERCISES exponent expression factors feet figures Find the dimensions Find the number formula fraction give given graph height Illustration important inches indicated instance interest kind known length less letter means method miles an hour minutes multiply negative number noticed operation pair perimeter piece pipe Plot positive number pounds problem quotient radical ratio rectangle reduce represent result rule scale showing side simple solution Solve square feet square root statement substituting subtract tank temperature tens third triangle twice units unknown width write zero
Page 11 - Multiply as in the multiplication of integers, and point off" as many decimal places in the product as there are decimal places in both multiplicand and multiplier.
Page 142 - Similarly, if the sum of the digits of a number is divisible by 3, the number is divisible by 3.
Page 116 - Two men, A and B, start from the same place at the same time, and travel the same way ; A travels 52 miles a day, and B 44 miles a day ; how far apart will they be at the end of 10 days ? 15.
Page 159 - To find the area of a triangle. — Multiply the base by the perpendicular height, and half the product will be the area.
Page 177 - V = ^^ where r is the radius of the base and h is the height of the cone.
Page 116 - A and B start from the same place and travel in the same direction, A at the rate of 9 miles an hour and B 6 miles ; how far apart are they in 1 hour ? In 5 hours?
Page 141 - Divide the numerical coefficient of the dividend by the numerical coefficient of the divisor ; and to the result annex the letters, giving to each letter an exponent equal to its exponent in the dividend minus its exponent in the divisor.
Page 217 - A common multiple of two or more expressions is an expression which can be divided by each of them without a remainder.