The decay rate, k, for a particular radioactive element is 2.5%, where time is measured in years. Find the half life of the element. (Round to one decimal place)

What is 2/5 plus 1/2?

What is 18.6 rounded to the nearest tenth

What key features of a polynomial can be found using the fundamental theorem of algebra and the factor theorem?

The height, h, in feet of a flag on one blade of a windmill as a function of time, t, in seconds can be modeled by the equation h=3sin (4pi/5 (t-1/2)) + 12. What is the minimum height of the flag?

What are the vertical asymptote (s) and hole (s) for the graph of y = X-1 / - x² + 6x + 8 asymptote: x = 1 and holes: x = - 4,-2 asymptotes: x = - 4,-2 and no holes asymptotes: x = - 4,-2 and hole: x = 1 asymptote: x = 1 and no holes

Consider a sequence that follows a times 5 pattern: 1, 5, 25, 125, ... a. Write a formula for the nnth term of the sequence. Be sure to specify what value of n your formula starts with.

Find the diagonal of a square whose sides each measure 3v2 units.

10 x (5 x 4) = (b x 5) x 4

5 Connie is working to earn $200. She earns $25 mowing her grandmother's lawn and $60 for a day of housecleaning. Which decimal represents the part of the money Connie still needs to earn and why? A 0.575 B 0.115 C 0.425 D 0.85

A farmer sells 9.7 kilograms of apples and pears at a farmer's market. 1/4 of the weight is apples and the rest is pears. How many kilograms of pears did she sell at the farmer's market What is the fraction