A scientist begins with 100 mg of a radioactive substance. After 6 days, it has decayed to 60 mg. How long after the process began will it take to decay to 10 mg?

if 3 is added to a number and the sum is tripled, the result is 19 more than the number. find the number

Arianna kicks a soccer ball off the ground and into the air with an initial velocity of 42 feet per second. Assume the starting height of the ball is 0 feet. Approximately what maximum height does the soccer ball reach? 1.3 ft 2.6 ft 26.0 ft 27.6 ft

Solve linear inequality in one varible? 7x+12>5

3*1 1/2=3*6/3=18/3=6

Which of these is a simplified form of the equation 7x + 4 = 5 + 3x + 1x?

State the excluded values for each? 70v^2/100v

If p (x) = 2x-4x and q (x) = x-3, what is (p•q) (x)

Which of the following is equivalent to 7-2 (x + 2) <-4-3 (1 - x) ? A. - 2x<-17 B. 6 x <-9 C. - 5x<-10 D. - X<-16

Which phrases describe the graph of f (x) = |x|? Check all that apply. A. V-shaped B. U-shaped C. opens up D. opens down E. symmetric with respect to the x-axis F. symmetric with respect to the y-a

There are 36 female preformers in a dance recital. the ratio of men to women is 2:9 how many men are in the dance recital.