You notice that there are a lot of hot days in the city where you live. You gather data on the temperatures throughout the year. Let X be the average temperature on a given day. The distribution of X is below. x n 60 70 80
p n 0.3 0.2 0.5
What temperature can you expect for next Sunday, a potential beach day?

Solve for x -2.3(r - 1.2 ) = -9.66 enter you answer as decimal.

Ariana starts with 100 milligrams of a radioactive substance. the amount of the substance decreases by 20% each week for a number of weeks, w. the expression 100(1−0.2)w finds the amount of radioactive substance remaining after w weeks. which statement about this expression is true? a) it is the difference between the initial amount and the percent decrease. b) it is the difference between the initial amount and the decay factor after w weeks. c) it is the initial amount raised to the decay factor after w weeks. d) it is the product of the initial amount and the decay factor after w weeks.

Find the solution(s) to x^2-14+49=0