What year will population of fish reach given value
The formula P=0.62x2-0.042x+2 models approximate population P, in thousands for the species of fish in the local pond, x years after 1997. During what year will population reach 63,580 fish?
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Suppose the correlation, r, between two variables x and y is -0.44. What percentage of the variability in y cannot be explained by x?
Determine the half-life of 90Y. A freshly isolated sample of 90Y was found to have an activity of 9.7 x 105 disintegrations per minute at the 1:00 P.M. on December 3, 2006.
If the activity of carbon-14 decay in an equal mass of living matter is 33.6 disintegrations per second, determine the age of the charcoal? The activity of radioactive carbon-14 decay of a piece of charcoal found at a volcanic site is 20.4 disint
Calculate the bonding geometry around the nitrogen atom in the following unstable nitrogen oxides. (N2O2 and N2O3have N-N bonds; N2O5 does not)
Find out the specific rotation? Determine the specific rotation if the same solution is placed in a 5 cm tube? A solution is added to a 20 cm polar meter tube. 3.2g of solute is dissolved in 50 ml of solution when the observed rotation
Calculate the probability that the particle will be found with a linear momentum when a particle is in a state described by the wave function , where the χ is a parameter.
Data were collected on monthly sales revenues (in $1000s) and monthly advertising expenditures ($100s) for a sample of drug stores. The regression line relating revenues (Y) to advertising expenditure (X) is estimated to be . The correct interpret
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