Mrs.Lunnah has a jar of beads. There are 30 red beads, 30 blue beads and 30 yellow beads. If a student sticks her hand in a jar and pulls out the beads, what is the probability that is will be blue?
A is playing the game. He flips the coin, and if it lands on heads, he gets 1 point. If it lands on tails, he gets 2 points. A does this thing many times. THE GOAL IS TO GET 14012010 POINTS. Note that the coin can land on side, but it HAPPENS ONCE 6000 FLIPS. But A can let the coin LANDS ON SIDE ONES EVERY 2010 FLIPS. If this happens, he will get 5 points.What is the maximum number of flips that A need to achieve the goal? ( About 3/4 of the time the coin lands on tails. )
BONUS:IF A TAKES 10 SECONDS FOR A FLIP, HOW MUCH TIME HE NEED TO ACHIEVE HIS GOAL?
Sean caught a prize fish last weekend. He was going to measure it but realized that his ruler was not long enough. He was able to measure the head and discovered that it was 9cm long, he then measured the tail and found that it was the length of the head plus half the length of the body. If the body was the length of the head plus the tail, what is the total length of the fish?
Kết quả là 72cm phải ko các bạn
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.
Chia động từ^dễ nhé^ Đũngmk tick mà pải nhanh!
1.What time you(star)......your class?
2.Nam often(go).....to the movies on Saturday.
3.I (tralve).....to Vung Tau tomorrow.
4.Nga(watch)........TV every day
5.They(play)........soccer at the monent.
6.We(go)........to the cinema tonight.
7.He usually(jog)........in the morning.
8.What he(do)...........this weekend?
9.I (stay)....... there for two days when I come there.
10.What your vacation plans(be).......?
11.I(spend)........2 weeks on a Greek island.
12.It (get)..........late,but before I go to bed I will finish my homework and(write).......a couple of letters.
13.That film(come)......to the local cinema next week.You(want).....to see it
My dream/ấn Ideal/house will be/place/to live.(câu 1)
interesting that/the weather in/It is very/our areas is/not the same((câu 2)
and dry in hanoi,/but it was wet/Last week/it was very cold/and cool/in Da nang (câu 3)
often say that/they don't/Sinh and Linh/know what/winter is like.(câu 4)
They say/they will/visit me/some day and/we willgo/to Mau Son togerther.(câu 5)
A big bad wolf/met Little Red Riding Hood/about her trip./on the way/and asked her(câu 6)
Once upon a time,/the Wind and/on the Earth./the Sun lived /happily(câu 7)
./he blew harder,/the hardest./and/First,he/blew hard.Then,finally,he blew(câu 8)
Then,he warmed/him more and more,/and finally,/the man got too hot./First,he stared/to warm/the man(câu 9)
I do not/a lot od traffice/like living in a big city/because there is/ans noise.
mk biết là trên này hỏi T.A ko được nhưng mk đang cần gấp nên giúp nha
Question 1: What is the quotient of 0.51 and 17 ? Answer : ......
Question 2: The distance from Anna's house to the store is 1/2 mile . Anna run to the store twice a day , 7 days a week for 3 weeks . How many miles does she run in total ? Answer .....miles
Question 3: Jack needs to earn enough money to buy a new skateboard that costs $48.45 . He has $15.34 . How much money does he need to buy the skateboard ? Answer: $.........
Tính bằng cách thuận tiện nhất:
a) (689 + 875) + 125 ;
581 + (878 + 419).
b) ( + ) + ;
+ ( + ) ;
c) 5,87 + 28,69 + 4,13 ;
83,75 + 46,98 + 6,25 ;
Mr An has 400 000 000 VND in a saving account.The interest rate is 0,5% per month (interest on this month is not added to capital for the next month). How much will Mr An have in one year (both capital and interest)