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arithmetical mean arithmetical series binomial called cent change the sign coefficient cologarithm Complete the square Compound Expressions cube root decimal difference digits dividend divisible Eesolve into factors equal equation exact divisor Exercise exponent Extract the square feet Find the H.C.F. Find the number Find the product Find the square Find the sum find the value fraction geometrical geometrical series given expression given number greater number harmonical series Hence highest common factor Index Law integral number leaps less letter logarithm mantissa means miles an hour monomial Multiply negative number number of dollars number of terms numerical value obtained parenthesis partial fractions positive integer quadratic quadratic equation quadratic surd quotient radical ratio rectangle remainder result smaller number Solve square root Subtract surd Theorem Transpose trinomial units unknown numbers variable yards
Σελίδα 334 - There are four numbers in geometrical progression, the second of which is less than the fourth by 24 ; and the sum of the extremes is to the sum of the means, as 7 to 3. What are the numbers ? Ans.
Σελίδα 310 - If the product of two quantities is equal to the product of two others, either two may be made the extremes of a proportion and the other two the means. For, if ad = bc, then, divide by bd. т~, - г~;« bd bd а с 01 6 = 5
Σελίδα 302 - If twelve times the units' digit is subtracted from the number, the order of the digits will be reversed. Find the number.
Σελίδα 156 - What are their present ages ? 22. The sum of the ages of a father and his son is 75 years.
Σελίδα 60 - To Multiply a Polynomial by a Monomial, Multiply each term of the polynomial by the monomial, and connect the partial products with their proper signs.
Σελίδα 123 - If the numerator and denominator of a fraction be both multiplied or both divided by the same number, the value of the fraction is not altered.
Σελίδα 321 - The distance a body falls from rest varies as the square of the time it is falling.
Σελίδα 334 - Of three numbers in geometrical progression, the sum of the first and second exceeds the third by 3, and the sum of the first and third exceeds the second by 21.