...results.] I. If a + b + c+d=o, prove that abc + bcd+ cda + dab = *](bc - ad) (ca - bd) (ab - cd). i. The consumption of coal by a locomotive varies as...miles an hour the consumption of coal is two tons. If the price of coal be 1os. per ton and the other expenses of the engine be ILT. yl. an hour, find...

...results .] 1. If a + b + c + d—o, prove that abc + bcd+ cda + dab = J(bc -ad)(ca- bd) (ab - cd). 2. The consumption of coal by a locomotive varies as...miles an hour the consumption of coal is two tons. If the price of coal be los. per ton and the other expenses of the engine be us. i,d. an hour, find...

...that the mass of Jupiter is 343 times that of the Earth, and that the Moon's period is 27-32 days. 22. The consumption of coal by a locomotive varies as...speed is 16 miles an hour the consumption of coal per hour is 2 tons : if the price of coal be 10,?. per ton, and the other expenses of the engine be...

...a and that of — ) (a: + 2) (a; + 3) (* + 4) T + ! M a2 62 c- /' 3. Solve— y ' x 2 ' y2 x'2 4 4. The consumption of coal by a locomotive varies as...coal is two tons per hour. If the price of coal be 10s. per ton, and the other expenses of the engine be 11s. 3d. an hour, find the least cost of a journey...

...$11,818 $11,818 Merchandise inventory as of Dec. 31st, 1918, $1,119 SECTION A — PAKT II 1. The rate of consumption of coal by a locomotive varies as the square of the speed: at a speed of 16 miles per hour the consumption of coal per hour is 2 tons; if the price of...