justmeyasiah justmeyasiah

11-05-2017
Mathematics

contestada

A spill of two gallons of methane occurs in the men's room. Methane has a half life of seven years. How much remains in 20 years

Respuesta :

austinjohnson66 austinjohnson66

11-05-2017

I think the answer is None because half life of seven years means it's full life is 14 years and after 20 years there would not be any left

Answer Link

chasityalinewalker chasityalinewalker

12-05-2017

I think it may be a quarter of it left

Answer Link

Otras preguntas

The North saw the Mississippi River as important because

Last year, Susan had 10,000 to invest. She invested some of it in an account that paid 6% simple interest per year, and she invested the rest in an account tha

Fate, or forces over which people have no control, is an important theme in this tragedy. many events are blamed upon fate, starting with shakespeare's descript

What allows the reader to infer that the daughters are unused to having control

How do I solve this ?

Which equation represents a circle with a center Jat (-3, -5) and a radius of 6 units? (x - 3)2 + (y – 5)2 = 6 (x - 3)2 + (y – 5)2 = 36 (x + 3)2 + (y + 5)2 = 6

Select the correct answer. Which phrase best describes the word definition in an axiomatic system? A. the accepted meaning of a term B. the statement of an axio

G1 is associated with which of the following cellular events?

Where is the magnetic field the strongest

Which of the following is an accurate statement about modern africa