Answer:
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hope it is helpful to you ☺️
Step-by-step explanation:
According to the first expression:
2(10-k): where,
2:shows the double amount of money which ELI has
10:shows the amount of money which ELI had at the starting.
k:shows the amount of money which is lost.
10-k:shows the amount of money which ELI has after losing some amount.
According to the second expression:
20-2k where,
20:shows the twice of initial amount.
k: is the amount of money which is lost
2k:s hows the twice of amount which is lost
20-2k: shows the amount of money which is left with ELI after his mom gave him some money....
Option B.
we know that
The area of a circle is equal to
we have
substitute
Remember that
radians subtends the complete circle of area
so
by proportion
Find the area of the related sector for a central angle of radians
Let
x------> the area of the related sector