How do you get better at Math?

The half-life is the time it takes for only half of something to remain. For example, if there are 100 atoms, after one half-life time period, 50 atoms remain. At the beginning of a time period, there are 16 atoms of a radioactive substance.

Height difference between 147m and 21m

1. Which is a true statement about two numerical sets of data that have negative association? A. As one variable increases, the other variable does not change. B. As one variable increases, the other variable increases. C.

George plans to purchase a new scooter for $8000 and to keep it until it is worth a fourth of its original price. The value of the scooter is give by V = 8000 (1 8) t, where V is the value of the scooter and t is the number of years that have passed.

11. + 100 - 200 90 What is the answer

Label the percent bar below with the appropriate estimations.

Lillian says that 25% of a number will always be less than 75% of any other number.

Each year, 20% of all untenured State University faculty become tenured, 5% quit, and 75% remain untenured. Each year, 90% of all tenured S. U. faculty remain tenured and 10% quit. Let U_t be the number of untenured S. U.

Paula earned a 56% on her science test. If she got 14 problems correct, then how many questions were on the test?

Seven less than two times a number is 29. Enter the equation that represents Sharon's sentence into the box. Use x for the variable.