A culture of bacteria starts with 505050 bacteria and increases exponentially. The relationship between BBB, the number of bacteria in the culture, and ddd, the elapsed time, in days, is modeled by the following equation. B=50⋅10d2 In how many days will the number of bacteria in the culture reach 800{,}000800,000800, comma, 000?

Marco is studying a type of mold that grows at a fast rate. he created the function f(x) = 345(1.30)x to model the number of mold spores per week. what does the 1.30 represent? how many mold spores are there after 4 weeks? round your answer to the nearest whole number. 1.30 represents the number of mold spores marco had at the beginning of the study; 985 mold spores 1.30 represents the number of mold spores grown in a given week; 448 mold spores 1.30 represents the 30% rate of weekly growth; 345 mold spores 1.30 represents the 30% rate of weekly growth; 985 mold spores

The measures of the legs of a right triangle are 15m and 20m . what is the length of the hypotenuse

If set d is not the empty set but is a subset of set e, then which of the following is true? d ∩ e = d d ∩ e = e d ∩ e = ∅