Answer:13.5 inches
Step-by-step explanation:
Given diagonal as 15.6inches
Width is unknown
Height is 7.8 inches
From the diagram attached it forms a right angle solved using Pythagoras theorem
Ie
15.6^2=width^2+7.8^2
Width= ✓(15.6^2-7.8^2)=13.5inches
Answer:
Line of best fit.
Step-by-step explanation:
Answer:
A day because within a day Chris bags left is 6 and evans too 6 bags left
Answer:
2.7 PM
Step-by-step explanation:
Since, the rate of spread is proportional to the product of fraction y of people who have heard the rumour and the fraction who have not heard,
Integrating both sides,
If t = 0, ( at 8 AM ), y =
Now, at noon, i.e t = 4, y =
If
Using graphing calculator,
t ≈ 6.722,
Hence, after 6.722 hours since 8 AM, i.e. on 2.7 PM ( approx ) the 90% of the population have heard the rumour.