Hmm
each term is multiplied by a constant
1/2 times what=-1/4? that is -1/2
-1/4 times what=1/8? that is -1/2
so r=-1/2
does it converge or diverge?
if it converges, it has an infinite sum
if it diverges, it does not
if |r|<1 then it converges
|-1/2|<1?
1/2<1?
true
it converges and has a sum
the sum of an infinite geometric series is

where a1 is the first term and r=common ratio
a1=1/2
r=-1/2






the sum is
X= 24 because both side lengths are the same size. So it would be 24. hope it helped.
Area of shaded region = 2(4*4)=2*16=32 in squared
hope helped
10C4 represent the Combinations of 10 objects taken 4 at a time.
The formula for nCr is:

In the given case, n=10 and r=4. Using these values we get:

This means we can make 210 combinations of 10 objects taken 4 at a time.
Answer:
1. 1035 words
2. 21.74 min
Step-by-step explanation:
1. 23 words per min × 45min = 1035 words
2. 500 words/ 23 words per min= 21.74 min