![subject](/tpl/images/cats/User.png)
The first figure of the sierpinski triangle has one shaded triangle. The second figure of the sierpinski triangle has three shaded triangles. The third figure of the sierpinski triangle has nine shaded triangles. Which summation represents the total number of shaded triangles in the first 15 figures? sigma-summation underscript n = 1 overscript 15 endscripts 1 (3) superscript n minus 1 sigma-summation underscript n = 1 overscript 15 endscripts 3 (1) superscript n minus 1 sigma-summation underscript n = 1 overscript 15 endscripts 1 (one-third) superscript n minus 1 sigma-summation underscript n = 1 overscript 15 endscripts one-third (1) superscript n minus 1.
![ansver](/tpl/images/cats/User.png)
Answers: 3
![](/tpl/images/ask_question.png)
![](/tpl/images/ask_question_mob.png)
Another question on SAT
![question](/tpl/images/cats/User.png)
SAT, 25.06.2019 13:00
Subsidized stafford loans: a. accrue interest while the student is enrolled full-time in school. b. are paid by the government. c. are paid by your parents. d. accrue interest 10 years after graduation.
Answers: 1
![question](/tpl/images/cats/User.png)
SAT, 25.06.2019 22:00
Anna’s mother prepares sauerkraut, a fermented dish made from finely cut cabbage and salt. lactobacillus bacteria present on the surface of the cabbage combine with salt to turn the cabbage into a crunchy, sour dish. what chemical process occurs to create this dish? a. alcoholic fermentation b. cellular respiration c. conservation d. lactic acid fermentation e. photosynthesis
Answers: 1
![question](/tpl/images/cats/User.png)
SAT, 26.06.2019 13:00
What undergraduate degree can a student earn at a four-year college (not specific to a field of study)?
Answers: 1
![question](/tpl/images/cats/User.png)
SAT, 27.06.2019 01:30
Analyze the forces acting on a cyclist who is slowing down as he or she climbs a hill
Answers: 1
You know the right answer?
The first figure of the sierpinski triangle has one shaded triangle. The second figure of the sierpi...
Questions
![question](/tpl/images/cats/mat.png)
Mathematics, 19.10.2019 03:00
![question](/tpl/images/cats/en.png)
![question](/tpl/images/cats/istoriya.png)
History, 19.10.2019 03:00
![question](/tpl/images/cats/istoriya.png)
History, 19.10.2019 03:00
![question](/tpl/images/cats/mat.png)
Mathematics, 19.10.2019 03:00
![question](/tpl/images/cats/en.png)
English, 19.10.2019 03:00
![question](/tpl/images/cats/en.png)
![question](/tpl/images/cats/istoriya.png)
![question](/tpl/images/cats/istoriya.png)
History, 19.10.2019 03:00
![question](/tpl/images/cats/obshestvoznanie.png)
Social Studies, 19.10.2019 03:00
![question](/tpl/images/cats/health.png)
Health, 19.10.2019 03:00
![question](/tpl/images/cats/istoriya.png)
History, 19.10.2019 03:00
![question](/tpl/images/cats/istoriya.png)
![question](/tpl/images/cats/geografiya.png)
Geography, 19.10.2019 03:00
![question](/tpl/images/cats/geografiya.png)
Geography, 19.10.2019 03:00
![question](/tpl/images/cats/istoriya.png)
![question](/tpl/images/cats/biologiya.png)
![question](/tpl/images/cats/biologiya.png)
![question](/tpl/images/cats/mat.png)