Write recursive formula which gives number of flowers
The flower nursery manages 50,000 flowers and year sells 10% of flowers and plants 4,000 new ones. Write the recursive formula which gives number of flowers every year.
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When the rock is dropped from the cliff into the ocean, it travels approximately 16t^2 feet in t seconds. If splash is heard 2.5 seconds later and speed of sound is 1100ft/sec, approximately height of cliff.
Estimate the enthalpy change when 8.50L of ozone at a pressure of 1.00 atm and 25°C reacts with 12.00 L of nitric oxide at the same initial pressure and temperature?
You're planning an evaluation of a semester-long alcohol awareness campaign at your college. Previous evaluations indicate that about 25% of the students surveyed will respond "Yes" to the question "Did the campaign alter your behavior toward alco
Suppose you need to prepare the 4-methyl-2-pentyne and discover that the only alkynes on the hand are propyne and acetylene. You also have available methyl isopropyl bromide, iodide and 1,1-dichloro-3-methylbutane.
Estimate a calibration curve and why do we use a calibration curve to calculate the concentration of our unknown? Explain what would be the absorbance expected if the sample is diluted to a concentration of 0.040 M?
Determine the appropriate null and alternative hypotheses for examining the question of interest? Be sure to explain your choice of the alternative hypothesis.
A feed stream contains a mixture of 30% n-pentane, 40% n-butane and the 30%n-hexane flows into a flash unit. The Flash temperature is 290K and the flash pressure is 0.6 bar.
Write down a chemical equation that explains the dissolving of solid magnesium nitrate, Mg(NO3)2 in the water. Include charge on ions, describes the symbols, and balance the equation.
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