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on a level road the stopping distance for an automobile is 35.0m for an initail speed of 90 km/hr what is the stopping distance
1. 1 answer
2. 510 views
how do you find all the solutions when cos x = .75
1. 0 answers
2. 452 views
combine fractions and simplify to a multiple of a power of a basic trig. function.?sin x/cot²x - sin x/cos²x
1. 0 answers
2. 559 views
simplify to a constant or trig func.1. sec ²u-tan ²u/cos ²v+sin ²v change expression to only sines and cosines. then to a
1. 0 answers
2. 650 views
simplify to a constant or basic trig function..1+tan(x)/1+cot(x)
1. 0 answers
2. 440 views
sin²u + tan²u + cos²u/ sec usimplify
1. 0 answers
2. 552 views
if cot(- theta) = 7.89, find tan(theta- pi/2)
1. 0 answers
2. 776 views
how do u calcualte the percent of hydrogen and carbon if given their mass in grams?
1. 1 answer
2. 376 views
liquid heptane C7H16 is completely combusted to produce CO2 and H2O: C7H16 + 11O2 --> 7CO2 + 8H2Othe heat combustion for one
1. 1 answer
2. 1,760 views
in an experiment a sample of hydrocarbon was analyzed. The sample contained6 g of carbon and 1.344 g Hydrogen.a) whats the
1. 2 answers
2. 1,022 views
Fe2O3 + 3CO --> 2Fe + 3CO2a 16.2 L sample of CO at 1.5 atm and 200 C is combind with 15.39 g Fe2O3. how many moles of CO are
1. 1 answer
2. 693 views