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 Βιβλία Βιβλία У . 18 2. Given that the area of a triangle varies jointly as its base and altitude, what will be the base of a triangle whose altitude is 12, equivalent to the sum of two triangles whose bases are 10 and 6, and altitudes 3 and 9, respectively... Elementary Algebra with a Table of Logarithms - Σελίδα 303
των Julius Lederer Neufeld - 1920 - 383 σελίδες
Πλήρης προβολή - Σχετικά με αυτό το βιβλίο ## A Short Course in Higher Algebra: For Academies, High Schools, and Colleges

Webster Wells - 1889 - 426 σελίδες
...obtain 9 = -, or m = 72. 8 79 Whence, x = — • У 72 Hence, if y = 18, we have x— - - = 4, Ans. 2. Given that the area of a triangle varies jointly as its base and altitude, what will be the base of я triangle whose altitude is 12, equivalent to the .sum of two triangles whose bases are 10 and 6,... ## College Algebra

Webster Wells - 1890 - 577 σελίδες
...8, we obtain 9 = -, or m = 72. 72 Whence, x = — У 72 Hence, if y =18, we have x = — = 4. 18 2. Given that the area of a triangle varies jointly as...are 10 and 6, and altitudes 3 and 9, respectively ? Let B, H, and A denote the base, altitude, and area, respectively, of any triangle, and B' the base... ## Essentials of Algebra for Secondary Schools

Webster Wells - 1897 - 402 σελίδες
...and у = 8, we obtain 9 =— , or m = 72. 8 7O 79 Then, x=~; and if y = 18, х=±± = 4, Ans. У ' 2. Given that the area of a triangle varies jointly as...are 10 and 6, and altitudes 3 and 9, respectively ? Since A varies jointly as В and H, we have A = mBH (§ 330). Then the area of the first triangle... ## Essentials of Algebra for Secondary Schools

Webster Wells - 1897 - 358 σελίδες
...obtain 9 = — , or т = 72. 8 72 72 Then, x = — ; and if у = 18, ж = — = 4, Ans. У ' 18 2. Given that the area of a triangle varies jointly as...are 10 and 6, and altitudes 3 and 9, respectively ? Since A varies jointly as В and H, we have A = mBH (§ 330). Then the area of the first triangle... ## Essentials of Algebra

Webster Wells - 1897 - 358 σελίδες
...8, we obtain 9 = — , or m = 72. 8 79 79 Then, x = — ; and if y= 18, x= — = 4, Ans. У . 18 2. Given that the area of a triangle varies jointly as...are 10 and 6, and altitudes 3 and 9, respectively ? Since A varies jointly as B and II, we have A = mBH (§ 330) . Then the area of the first triangle... ## Essentials of Algebra for Secondary Schools

Webster Wells - 1897 - 411 σελίδες
...8, we obtain 9 = — , or m = 72. 8 72 79 Then, x = — ; and if y = 18, x = — = 4, Ans. У 18 2. Given that the area of a triangle varies jointly as...and altitude, what will be the base of a triangle whoso altitude is 12, equivalent to the sum of two triangles whose bases are 10 and 6, and altitudes... William James Milne - 1901 - 444 σελίδες
...the time of falling. If a stone falls 64.32 feet in 2 seconds, how far will it fall in 5 seconds ? 7. The area of a triangle varies jointly as its base and altitude. The area of a triangle whose base is 12 inches and altitude 6 inches is 36 square inches. "What is... ## Advanced Algebra for Colleges and Schools

William James Milne - 1902 - 608 σελίδες
...the time of falling. If a stone falls 64.32 feet in 2 seconds, how far will it fall in 5 seconds ? 7. The area of a triangle varies jointly as its base and altitude. The area of a triangle whose base is 12 inches and altitude 6 inches is 36 square inches. What is the...  