Algebra
A freight train leaves Chicago traveling West at 35 mph. An hour later a passenger train leaves Chicago traveling on a parallel track at 60 mph. How far from Chicago will the passenger train catch up to the freight train?
L.o
Identify nd describe 3 environmental health hazards tht cause ill health,crises nd disasters in south africa?
chem
The half-life of is 30.0 days. What fraction of a sample of this isotope will remain after 16.2 days?
math
if 1,x,y is a geometric sequence and x,y,3 is an arithmetic sequence, compute the maximum value of x+y
chem
What is the empirical formula of the compound with a mass percent composition of 70.0% Fe and 30.0% O? (Type your answer using the format CH4 for CH4
chem
What is the empirical formula of the compound with a mass percent composition of 70.0% Fe and 30.0% O? (Type your answer using the format CH4 for CH4
chemistry
Given the thermochemical equation below, calculate the amount of energy released when 250. g of NaOH (molar mass = 40.0 g/mol) reacts with an excess of HCl. Report answer to the correct number of significant figures in units of kilojoules, kJ. NaOH + HCl --> NaCl + H2O delt...
math
for for like a. it would be (2, 4) and (-1, 1)?
math
find the points of intersection of the following pairs of equations. a. y=x^2 and y=x +2 b. y=x^2 and y=8-x^2 c. y=x^2 and x=y^2
history
which president raises soft money in order to help democrat candidates in the 1996 election
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