 | Webster Wells - 1906 - 550 σελίδες
...Putting x = 9 and у = 8, 9 = — , or m = 72. 8 Then, ж= — ; and, if у = 18, x =Ц = 4. У 18 2. Given that the area of a triangle varies jointly as...are 10 and 6, and altitudes 3 and 9, respectively ? Let В, Н, and A denote the base, altitude, and area, respectively, of any triangle, and _B' the... | |
 | Webster Wells - 1906 - 484 σελίδες
...354). Putting x = 9 and у = 8, 9 = -, or m = 72. 8 Then, x= — ; and, if y = 18, x = — = 4. y 18 2. Given that the area of a triangle varies jointly as...are 10 and 6, and altitudes 3 and 9, respectively ? Let B, Н, and A denote the base, altitude, and area, respectively, of any triangle, and B' the base... | |
 | Webster Wells - 1908 - 456 σελίδες
...— 16 and z = 2, and x = 2 when у = — 2 and г = 1, find the value of x when y = 3 and г = ^. 9. The area of a triangle varies jointly as its base and altitude. If the area of a triangle whose base is 6 and whose altitude is 9 is 27, what is the base of a triangle... | |
 | William James Milne - 1908 - 476 σελίδες
...the sun ? 6. If 10 men can do a piece of work in 20 days, how long will it take 25 men to do it ? 8. The area of a triangle varies jointly as its base and altitude. The area of a triangle whose base is 12 inches and whose altitude is 6 inches is 36 square inches.... | |
 | Herbert Edwin Hawkes, William Arthur Luby, Frank Charles Touton - 1911 - 288 σελίδες
...inversely as a second, the product of the two is a constant. Find this constant in Problem 15. 33. The area of a triangle varies jointly as its base and altitude. What is the constant involved ? 34. The area of a circle varies as the square of the diameter. What is the... | |
 | John William Hopkins, Patrick Healy Underwood - 1912 - 362 σελίδες
...the same relation. 187. If y<xxz or у = cxz, у is said to vary jointly as x and z. ILLUSTRATION. The area of a triangle varies jointly as its base and altitude. If у ос -, от у = о- -, у is said to vary directly as x and " z ' z ' inversely as z. ILLUSTRATION.... | |
 | Horace Wilmer Marsh - 1913 - 460 σελίδες
...varies as the mass of the body times its acceleration. Solve the formula for M2. 48. Area of a Triangle. The area of a triangle varies jointly* as its base and altitude. The area of a triangle whose base is 19 feet and whose altitude is 10 feet is 95 square feet. Compute... | |
 | Marquis Joseph Newell - 1920 - 424 σελίδες
...fact that the volume о of a sphere varies as the cube of the radius. Also, A = %bh expresses the fact that the area of a triangle varies jointly as its base and altitude. It is customary to represent the constant in each problem of variation by the letter fc. . Exercise... | |
 | Walter Burton Ford - 1922 - 286 σελίδες
...arithmetic that A = ab, so the value of k here must be 1. On the other hand, consider the statement that "The area of a triangle varies jointly as its base and altitude." Letting A be the variable area and b and h the variable base and altitude, respectively, this means... | |
 | Edward Ira Edgerton, Perry Amherst Carpenter - 1925 - 398 σελίδες
...quantities when the first quantity varies directly as the product of these quantities. For example, the area of a triangle varies jointly as its base and altitude. That is, A x bh. This may obviously be written A = kbh. From your knowledge of geometry you will recognize... | |
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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... 
