Exercise 8. the temperature function in a laterally insulated rod made of copper is found (say experimentally) to be e−0.046t cos(0.2x). find the thermal diffusivity k of copper.

Julia chooses a card at random from her set of cards. what is the probability that the card is labeled cat or hamster?

What is the area of a rectangle with vertices (-8,-2), (-3,-2), (-3,-6), and (-8,-6)? units

Will make ! for correct answer the dot plot below shows the number of toys 21 shops sold in an hour. is the median or the mean a better center for this data and why? a. median; because the data is not symmetric and there are outliersb. median; because the data is symmetric and there are no outliersc. mean; because the data is symmetric and there are no outliersd. mean; because the data is skewed and there are outliers