Answer:
Can't answer, don't know the geometric shape, lengths of shape, or just any information about angle D
Step-by-step explanation:
Yes they do form a proportion since they both simplify to 6/11
Answer:
1/2 or 50% of the population has heard the rumor when it is spreading fastest.
Step-by-step explanation:
We need to take the derivative with respect to y from the r(y) = dy/dt = 2y(1-y) and equal to zero. At this condition we maximize the function and will get the maximum of the rumor spreading.

Therefore we just need to find y:

So 1/2 or 50% of the population has heard the rumor when it is spreading fastest.
I hope it helps you!
Answer:
1/4 of an hour is 15 minutes
Step-by-step explanation:
Answer:
Each game cost £3.75
Step-by-step explanation:
£13.75-£2.50=£11.25
£11.25÷3=£3.75