Answer:
7/10
Step-by-step explanation:
you got 7 out of 10 dollars
Step-by-step explanation:
From the statement:
M: is total to be memorized
A(t): the amount memorized.
The key issue is translate this statement as equation "rate at which a subject is memorized is assumed to be proportional to the amount that is left to be memorized"
memorizing rate is
.
the amount that is left to be memorized can be expressed as the total minus the amount memorized, that is
.
So we can write

And that would be the differential equation for A(t).
What's the given quantity?
Two other ways to name plane V are
plane ANCRMX
plane XMRCNA