đây cũng là toán tiếng anh nhé:)
it takes Uncle Sam 50 seconds to cycle from the first lamp post to the eleventh lamp post. How many lamp post will he cycle past past after 80 seconds
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Giáo sư Sullivan mất 11 phút để đi qua cột đèn thứ 12 trên một con đường vắng. Hỏi sau 30 phút, ông đi qua bao nhiêu cột đèn?
It takes Professor Sullivan 11minutes to stroll past the twelfth lamp post along a quiet road. How many lamp posts will he stroll past after 30 minutes.
ta có 12-11=1 côt thì 30 phút thì ông đi đc là 30+1=31 cây đc 31 cột
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Xem thêm câu trả lời
16 sparrows were resting on 2 lamp post2 sparrow flew from the first to the second lamp post3 sparrows flew from the second to the first lamp posts .The number of sparrows on the first and the second lamp posts became the same.How many sparrows on each lamp post at first.giúp mik thêm bài này zới:There are 30 days in the month of April.31 students will be celebrating their birthdays in that monthCan you find 2 student who were born on the same day? Why?cảm ơn các bn rất nhiều, các bn làm đc bài...
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16 sparrows were resting on 2 lamp post
2 sparrow flew from the first to the second lamp post
3 sparrows flew from the second to the first lamp posts .
The number of sparrows on the first and the second lamp posts became the same.
How many sparrows on each lamp post at first.
giúp mik thêm bài này zới:
There are 30 days in the month of April.31 students will be celebrating their birthdays in that month
Can you find 2 student who were born on the same day? Why?
cảm ơn các bn rất nhiều, các bn làm đc bài nào thì chỉ mik zới nhé
Bài 1: First task:
Let \(x\) be the number of sparrows on the first lamp post at first. (\(x\) is a positive integer).
\(\Rightarrow16-x\)is the number of sparrows on the second lamp post at first.
We have: \(x-2+3=16-x+2-3\Leftrightarrow2x=14\Leftrightarrow x=7\)
Hence there are 7 sparrows on the first lamp post at first, 9 sparrows on the second lamp post at first.
Bài 2: Second Task
We can find 2 students who were born on the same day.
There are 30 days in April and 31 students were born on that month. Apply the Dirichlet 's theorem, we can ensure that threre exists at least one day where 2 students were born.
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1. Mike jogs at constant speed along a road with lamp posts which are evenly spaced. It takes him 2 minutes to go from the first lamp post to the fifth lamppost. He continues jogging to the n-th lamp post before turning back. If he has been jogging for 12 minutes when he returns to the first lamp post, what is the value of n? ( Mike đi bộ với tộc độ không đổi trên đoạn đường có các cây cột đèn được đặt cách đều nhau. Mike cần 2 phút để đi từ cột đèn đầu tiên đến cột đèn thứ 5. Bạn ấy tiếp tục đi...
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1. Mike jogs at constant speed along a road with lamp posts which are evenly spaced. It takes him 2 minutes to go from the first lamp post to the fifth lamppost. He continues jogging to the n-th lamp post before turning back. If he has been jogging for 12 minutes when he returns to the first lamp post, what is the value of n? ( Mike đi bộ với tộc độ không đổi trên đoạn đường có các cây cột đèn được đặt cách đều nhau. Mike cần 2 phút để đi từ cột đèn đầu tiên đến cột đèn thứ 5. Bạn ấy tiếp tục đi đến cột đèn thứ n trước khi quay ngược lại. Nếu tổng thời gian Mike đi bộ là 12 phút tính từ lúc bắt đầu đi đến khi quay lại đến cột đèn đầu tiên thì n bằng bao nhiêu?)
There are 5 lamp posts along the street in front of Melissa' s house . The lamp posts are 5 m apart from each other . How far is the fourth lamp post from the first one ?
Thảo ơi bạn thi toán tiếng anh à
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They walk to the post office in 15 minutes.
A. It takes them 15 minutes to walk to the post office.
B. It takes them 15 minutes walk to the pots office.
C. It takes 15 minutes them to walk to the post office.
D. It takes them the post office to walk in 15 minutes.
A. It takes them 15 minutes to walk to the post office.
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How far / the supermarket / to / post office? *
e / not/ used to / cycle / school / three years ago.
How often / you / go / music festival?
How far is it from the supermarket to post office? *
(e) didn't use to cycle school three years ago.
How often does you go to music festival?
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Ai giúp mình với. Đây là câu Toán Tiếng Anh. À và làm giúp mình luôn nhé:
Dylan has a recorded a song which he listen to over and over again. The song is three minutes and 45 seconds long. When the song stops there is a 20 second silent gap before the song start again.
He starts the song playing at one o'clock.
Is hthe song playing at half past one or is it the silent gap?
Dylan đã thu âm một ca khúc mà anh ấy nghe đi nghe lại nhiều lần. Bài hát dài ba phút và 45 giây. Khi bài hát dừng lại ở đó là khoảng cách im lặng 20 giây trước khi bài hát bắt đầu lại.
Anh ấy bắt đầu bài hát lúc 1 giờ.
Có phải bài hát đang chơi lúc nửa giờ hay là khoảng trống im lặng?
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Dịch là:
Dylan đã thu âm một ca khúc mà anh ấy nghe đi nghe lại nhiều lần. Bài hát dài ba phút và 45 giây. Khi bài hát dừng lại ở đó là khoảng cách im lặng 20 giây trước khi bài hát bắt đầu lại.
Anh ấy bắt đầu bài hát lúc 1 giờ.
Có phải bài hát đang chơi lúc nửa giờ hay là khoảng trống im lặng?
Bài làm
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1:I ( not , see) him for month . How is he.
2: the thieves ( already, spend ) the money when the police ( catch ) them
3: Listen!I (think) someone ( knock) at the door
4 : while he ( run) for a bus , he ( collide) with a lamp post
1:I ( not , see) him for month . How is he.
-> haven't seen
2: the thieves ( already, spend ) -> have already spent the money when the police ( catch ) -> caught them
3: Listen!I (think) -> think someone ( knock) -> is knocking at the door
4 : while he ( run) -> was running for a bus , he ( collide) -> collided with a lamp post
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I. Put the verbs in brackets into the simple present or the present continuous tense
1. You ( love ) him ?
No, i (like) him very much i but i (not love) him
2. You(dream) at night?
Yes, i always (dream) and if i (eat) too much supper i (have) nighrmares
3. The milk (smell) sour. You ( keep) milk a long time?
II. Put the verbs in brackets into the simple past or the past continuous tense
1. How you (damage) your car so badly?
I (run) into a lamp-post yetesday.
I suppose you (drive) to...
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I. Put the verbs in brackets into the simple present or the present continuous tense
1. You ( love ) him ?
No, i (like) him very much i but i (not love) him
2. You(dream) at night?
Yes, i always (dream) and if i (eat) too much supper i (have) nighrmares
3. The milk (smell) sour. You ( keep) milk a long time?
II. Put the verbs in brackets into the simple past or the past continuous tense
1. How you (damage) your car so badly?
I (run) into a lamp-post yetesday.
I suppose you (drive) too quickly or were not looking where you (go)
2. As he ( get) into the bus it (start) suddenly and he (fall) backwards on to the road .
3. When he (mend) the fuse he (get) a very bad shock.
I. Put the verbs in brackets into the simple present or the present continuous tense
1. Do You ( love ) him ?
No, i (like) him very much i but i (do not love) him
2. Do You(dream) at night?
Yes, i always (dream) and if i (eat) too much supper i (will have) nighrmares
3. The milk (smells) sour. Do You ( keep) milk a long time?
II. Put the verbs in brackets into the simple past or the past continuous tense
1. How did you (damage) your car so badly?
I (ran) into a lamp-post yetesday.
I suppose you (was driving) too quickly or were not looking where you (went)
2. As he (was geting) into the bus it (started) suddenly and he (fell) backwards on to the road .
3. When he (was mending) the fuse he (got ) a very bad shock.
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