$ 524.288
Step-by-step explanation:
We will use the sum of a geometric series;
S = (first term)(1-r^n)/(1-r)
= 1(1 - 2^n) / (1 - 2)
= - (1 - 2^n)
= 2^n - 1
2 ^ (20 – 1)
2 ^ 19
= 524,288 cents
100 cents = 1 dollar
524,288 cents = 524,288/ 100 dollars
= $ 524.288
Answer:
B, D represent pairs of vertical angles.
___
Other pairs may be congruent, but they are not vertical angles. The lines that look parallel must be assumed to be NOT parallel, because they are not marked in the diagram as being parallel. Thus ∠8 ≠ ∠12, for example.
- sqdancefan
The answer is C 87/100 ~hope this helps please mark as BRAINLIEST
