mattskinner
mattskinner
12-04-2018
Mathematics
contestada
What the answer plz help
Respuesta :
Аноним
Аноним
12-04-2018
initial mass No = 30g, mass at half life (N) = 1/2 *30 = 15, so we have
15 = 30 e^-0.1253t
e^-0.1253t = 0.5
-0.1253t = ln 0.5
t = ln 0.5 / -0.1253
t = 5.5 days to nearest tenth. Answer
Answer Link
VER TODAS LAS RESPUESTAS ( 28+ )
Otras preguntas
The following blueprint of a kitchen has dimensions of 7 inches by 7 inches. The island has been highlighted in red 3 1/2 The island's actual dimensions are 1
What is the best answer explaining the goal of a descriptive essay? A. to explain, with great detail, the steps in a process or experiment B. to capture
When Charles Darwin published The Origin of Species, his theory of evolution was not accepted by everyone. Why did people reject Darwin’s theory? a.People had a
Which of these BEST describes the cause of waves in the ocean? high and low tides evaporation of water wind blowing across the surface of the ocean ridges and t
Identify the turning point of the function f(x)= x^2 -2x + 8 by writing its equation in vertex form . show work
Why was America’s victory at Yorktown among the most significant battles of the American Revolution? It made the British realize they were fighting a lost cause
what is the area of the figure? VHS_PA_S2_03_L314_UT_Q2.gif A. 279 in2 B. 342 in2 C. 389 in2 D. 398 in2
how to write 23.8 as a fraction
What is the exact circumference of the circle? A. 10π feet B. 20π feet C. 40π feet D. 60π feet
Before the Civil War, the cotton plantations of the ___ South depended on British textile companies for their markets. A. antebellum B. anterior C. avant-garde
