New School Algebra

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Δημοφιλή αποσπάσματα

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 374 - If the number is less than 1, make the characteristic of the logarithm negative, and one unit more than the number of zeros between the decimal point and the first significant figure of the given number.
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.
Σελίδα 320 - Given that the area of a circle varies as the square of its radius...

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