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Youre a biologist on a mission to keep the rare honeybee Apis Trifecta from going extinct. The last 40 bees of the species are in your terrarium. Youve already constructed wire frames of the appropriate size and shape. Your frame is made by equalateral hexagons, and its shape is like an equalateral triangle with 9 hex on each side of your frame.Now you need to turn them into working beehives by filling every hex with wax. There are 2 ways to fill a given hexes:1. Place a bee into the cell. On pl...
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You're a biologist on a mission to keep the rare honeybee Apis Trifecta from going extinct. The last 40 bees of the species are in your terrarium. You've already constructed wire frames of the appropriate size and shape. Your frame is made by equalateral hexagons, and it's shape is like an equalateral triangle with 9 hex on each side of your frame.
Now you need to turn them into working beehives by filling every hex with wax. There are 2 ways to fill a given hexes:
1. Place a bee into the cell. On placed, you can't remove it without killing it.
2. If any unfill cell has 3 or more neighboring wax-filled hexes, the bees already in the hive will move in and transform it. Once the bees have transfomed every hex in the hive, you can add an aditional bee and it'll specialies into the queen. The hive, if been well cared for, will eventually produce new bees and continue the species.
If there are no hexes with 3 or more transform neighbors, the bees will just sit and wait. And once a bee transform a hex, it will never become a queen.
You could put 40 bees in one wire hive, wait till they transform all the hexes, and then create a queen. But then just one collapses will end the species.
Question: At most how many queen bees you can make with 40 bees?
Six friends go to a restaurant and sit down at a table.John always sits at the same spot on the table.In howmany ways can the friends sit around the table?
Answer: ways.
There are 38 students in class 5A.The student can sit in 11 tables with no empty seats.There are small table for 3 students and the large table for 4 students.How many small tables and large table are there in the class?
If I lend you $10, when ............. you ............ (repay) me?
A. will / repays
B. will / repay
C. does / repay
sắp xếp và dịch ra tiếng việt
on / will / She / build /the beach . / sandcastles / some /
have /Tuan Chau /My / will / island . / on / family / dinner /
Ho An / They / not / next / visit / Ancient Town / will / month . /
you /explore / Will / cave / at / Bay ? / some / Ha Long /
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sson 1. Lan in the apartment number? Lan house is in an 8 storey house, each floor has 8 apartments. One day, the class asked Lan: What is your house in the apartment? Ask me some questions, I will answer all your questions, but just say yes or no. Through these questions you try to figure out how many in the apartment Huy said: I will ask, are you in the apartment number 1, number 2, ..., No. 63. So with most 63 questions you will know which apartment you. You say, I only need 14 questions, 7 s...
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sson 1. Lan in the apartment number? Lan house is in an 8 storey house, each floor has 8 apartments. One day, the class asked Lan: "What is your house in the apartment?" "Ask me some questions, I will answer all your questions, but just say" yes "or" no. "Through these questions you try to figure out how many in the apartment" Huy said: "I will ask, are you in the apartment number 1, number 2, ..., No. 63. So with most 63 questions you will know which apartment you. You say, "I only need 14 questions, 7 sentences enough to know what floor you are on and 7 you can know exactly what you are in the apartment." Dear children, I have to ask several times to know. How are you Lan in the apartment?
Lesson 2. Game together across the bridge. Four people need to cross a bridge. Because of the weak demand, each time we go not more than two people, and because it is dark, we have to take the light. Four people walk differently, crossing the bridge with corresponding time of 10 minutes, 5 minutes, 2 minutes and 1 minute. Since there is only one lamp, each passage must be carried back to the next person. When two people go together, cross the bridge with a slower time. The following example is a way to go: - 10 minutes to go with people 5 minutes to bridge, 10 minutes to take. - 5 minutes to take the lamp back, take 5 minutes. - 5 minutes to go with people 2 minutes through the bridge, It takes 5 minutes. - 2 minutes to take the lamp back, take 2 minutes. - 2 minutes with people 1 minute over the bridge, take 2 minutes. Total time is 10 + 5 + 5 + 2 + 2 = 24 minutes. Let's try to get away with a little less time as possible, and if less than 19 minutes is great
Lesson 3. Cashmere. Mallard buys 27 apples that are identical in size and volume. However, the salesman said that of the apples on the right is a slightly lighter weight. You use a table scales on both sides to find the apple that light. The minimum number of weighs required. Let's help you find that little apple. If they find that fruit after less than 5 weightings, then it is good.
Shannon just started reading Twilight . She read 5 pages the first day , 8 pages the second day , 11 pages the third day , 14 pages the fourth day and so on .How many pages will shannon read on the twelfth night . If this pattern continues?
Shannon just started reading Twilight . She read 5 pages the first day , 8 pages the second day , 11 pages the third day , 14 pages the fourth day and so on .How many pages will Shannon read on the twelfth night . If this pattern continues?
SIMPLE PRESENT OR PRESENT CONTINUOUS1 We (run)____________ in the stadium every morning.but today.We (not feel)___________well,we (stay)_______home 2____________(you/ join) Helens party?I think it will be fun if you (come)___________3When _______________(the play / start) ? it _____________(start) at 7.00 PM tomorrow4___________________(watch /you) Tv at 8:00? there _________(be) a good film on
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SIMPLE PRESENT OR PRESENT CONTINUOUS
1 We (run)____________ in the stadium every morning.
but today.We (not feel)___________well,we (stay)_______home
2____________(you/ join) Helen's party?I think it will be fun if you (come)___________
3When _______________(the play / start) ? it _____________(start) at 7.00 PM tomorrow
4___________________(watch /you) Tv at 8:00? there _________(be) a good film on