Step-by-step explanation:
12. n^2+2n
if you insert 1 for k and then work up by inserting 2 for k and adding those together and stoping at n.
13. 8-2(2^n)
if you insert 3 for k and then work up by inserting 4 for k and adding those together and keep on going but stopping at n.
Hope that helps :)
3,700,000 because that’s how you write it
Answer:
Half of the 10-inch quesadilla is greater than the entire 5-inch quesadilla
Step-by-step explanation:
we know that
The area of a circle is equal to

where
r is the radius
step 1
Find the area of the 10 inch-round quesadilla
we have


substitute


step 2
Find the area of the 5 inch-round quesadilla
we have


substitute


step 3
Which is larger, half of the 10-inch quesadilla or the entire 5-inch quesadilla?
Compare
half of the 10-inch quesadilla is equal to ----> 
the entire 5-inch quesadilla ---->
therefore
Half of the 10-inch quesadilla is greater than the entire 5-inch quesadilla