We have: 1 . 3 + 2 = 5
5 . 3 + 2 = 17
17 . 3 + 2 = 53
53 . 3 + 2 = 161
=> The next number in the sequence is: 161 . 3 + 2 = 485
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30 tháng 8 2020 lúc 16:05
Ann and Bob have a large number of sweets which they agree to share according to the following rules. Ann will take one sweet, then Bob will take two sweets and then taking turns, each person takes one more sweet than what the other person just took. When the number of sweets remaining is less than the number that would be taken on that turn, the last person takes all that are left. To their amazement, when they finish, they each have the same number of sweetsThey decide to do the sharing again,...
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Ann and Bob have a large number of sweets which they agree to share according to the following rules. Ann will take one sweet, then Bob will take two sweets and then taking turns, each person takes one more sweet than what the other person just took. When the number of sweets remaining is less than the number that would be taken on that turn, the last person takes all that are left. To their amazement, when they finish, they each have the same number of sweets
They decide to do the sharing again, but this time, they first divide the sweets in two equal piles and then thay repeat the process above with each pile. Ann going first both times. They still finish with the same number of sweets each.
What is the maximum number of sweets less than 1000 they could have started with ?
If n is divisible by 100 and 4900 < n < 5100 then n =
Question 8:
The perimeter of the square below is cm
(Simplify your answer)
Question 9:
The sum of two numbers is the greatest 4 – digit number and their ratio is 1:2. The smaller number is
Question 10:
If the sum of two numbers is 471 and there are 44 other numbers between the two numbers. Find the greater number.
Answer:
1.If 2x-y5 then the value of Mleft(x+2y-3right)^2-left(6x+2yright)left(x+2y-3right)+9x^2+6xy+y^22.The free coefficient in the following poly nomaial: left(2x-2right)left(x+1right)left(7-x^2right)is:3.The greatest integer number x such that frac{2x-1}{x-3}-1 0 is:4.How many of the integer n such that satisfy the inequality left(n-3right)^2-left(n-4right)left(n+4right) 43 are less than 3?5.The opposite fraction of frac{x-2}{7-x} is:
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1.If 2x-y=5 then the value of M=\(\left(x+2y-3\right)^2-\left(6x+2y\right)\left(x+2y-3\right)+9x^2+6xy\)
\(+y^2\)
2.The free coefficient in the following poly nomaial: \(\left(2x-2\right)\left(x+1\right)\left(7-x^2\right)is:\)
3.The greatest integer number x such that \(\frac{2x-1}{x-3}-1< 0\) is:
4.How many of the integer n such that satisfy the inequality \(\left(n-3\right)^2-\left(n-4\right)\left(n+4\right)< =43\) are less than 3?
5.The opposite fraction of \(\frac{x-2}{7-x}\) is:
An mature tropical cyclone in Northwest Pacific Basin is called an Typhoon. Last year, an significant typhoon made landfall in Ho Chi Minh City and caused widely flooding. So, what the name of the typhoon I mentioned?
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The ratio of the height : width of a flower garden is equal to the golden ratio. The width of the garden is 14 feat. Find the lenght of the garden. Express your answer in simplest radical form and in feet
Give the corrcet verb form1. She usually ( go ) .............. to the market in the morning . Look ! She .........................(buy) some meat over there2. Your mother ( watch) ....................TV now?_No, she ..............................(cook) in the kitchen3. I (have) ........................ a day off tomorrow . So , Im free tomorrow4. - Tell me your plan , Lan . What you ( do) ............................. this Saturday evening?- I ( visit ) ........................ my grandparents5....
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Give the corrcet verb form
1. She usually ( go ) .............. to the market in the morning . Look ! She .........................(buy) some meat over there
2. Your mother ( watch) ....................TV now?_No, she ..............................(cook) in the kitchen
3. I (have) ........................ a day off tomorrow . So , I'm free tomorrow
4. - Tell me your plan , Lan . What you ( do) ............................. this Saturday evening?
- I ( visit ) ........................ my grandparents
5. Whare you ( be ) ............................last night? _ I (be) .................. at home and (watch ) ..................TV
6. What the weather (be).......................like yesterday ? _ It ( be ) ...................very hot
7. My father (can) .......................... play football when he ( be )..................15 years old
8. I ( not / enjoy ) ............................. the party last night because it ( be) .................... boring
9. Where she (go) ............... last summer holiday?
10. It( take )........................me two hours to do my homework yesterday
11. .................. your father (buy) .................. you this dictionary 3 days ago?
12. We (not/go).................................camping last Sunday because it ( rain) ..................... heavily
13. Many people (become) ................. homeless after the earthquake in Haiti a few months ago
14. He ( get) ................home late last night so he ( miss ).........(see)..............the new on TV
15. He usually (write ) .................................home when he ( be ) .................... in the army
16. Where you ( go) ..................... for your last summer holiday ?
17. What you ( buy ) ........................ at the grocery yesterday ?
18. What (make) ...............him ( change)...................his mind during the meeting yesterday ?
19. My firend (gather) .................... in the garden for a party last night , they (sing) ........................ and (dance ) ..................... beautifully
20. I ( phone ) ................ you last night , but you (not/ answer )............... the phone
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