1.
Yusef is building a pyramid out of playing
cards in which each level is constructed with a...
1.
Yusef is building a pyramid out of playing
cards in which each level is constructed with a
triangular arrangement of 3 playing cards. He
builds a pyramid that is 8 levels tall, with 23
triangular arrangements on the bottom level,
and each
succeeding level has 1 fewer triangular
arrangements than the level below it. Part of 3
levels of the pyramid is shown below. How many
triangular arrangements are in the top level of the
pyramid?
A. 14
B. 15
C. 16
D. 30
Answers: 2
Other questions on the subject: SAT
SAT, 24.06.2019 08:30, braphi5609
Which of these international trade concepts results in specialization and trade increases in total world output? a) absolute advantage b) balance of payments c) absolute advantage d) international tariffs
Answers: 1
SAT, 24.06.2019 09:40, bendavidhizar
Alaser tag arena sells two types of memberships. one package costs $325 for one year of membership with an unlimited number of visits. the second package has $125 enrollment fee, includes five free visits, and costs and additional $8 per visit after the first five. how many visits would a person need to use for each type of membership to cost the same amount over a one-year period?
Answers: 2
SAT, 25.06.2019 22:00, hannah1571
In the image, layer a is the topmost layer. layer c contains fossils from the precambrian era. layer b contains dinosaur fossils, and layer a contains fossils of mammals. which two statements are supported by this evidence? 1. mammals lived before the precambrian era. 2. dinosaurs and mammals existed in the precambrian era. 3. dinosaurs evolved after precambrian organisms. 4. precambrian organisms evolved after dinosaurs. 5. precambrian organisms were the first life-forms to become fossilized, according to this sample.
Answers: 1
Do you know the correct answer?
Questions in other subjects:
