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How do you solve #3x+6y=9# and #2x+8y=10# using substitution?

How do you use the amplitude and period to graph #of y=sin(x + (pi/2) )#?

How do you balance #NO_3^() + 4H^+ + Pb > Pb^(2+) + NO_2 + 2H_2O#?

Question #4ee83

The exponential decay graph shows the expected depreciation for a new boat, selling for $3500, over 10 years. How do you write an exponential function for the graph. Use the function to find the value of the boat after 9.5 years?

Question #ea8a2

How do you calculate the average atomic mass of carbon if 98.90% of the atoms are C12 (12.000000 and 1.100% are C13 atoms (13.003354 amu)?

Question #63acc