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26 tháng 12 2020

a-tự vẽ

b)Xét pt hoành độ giao điểm của 2 đg thẳng (d1)và (d2)

\(\dfrac{1}{2}x-1=-x+3\)

<=> \(\dfrac{1}{2}x+x=3+1\)

<=>  x=8/3

thay x=8/3 vào pt đg thẳng d1 đc :

y=1/2*8/3-1

y=1/3

vậy tọa độ......là A(8/3,1/3)

15 tháng 2 2018

1. The sun was shining. The water was cold ( although)

=> Although the sun was shining, the water was cold .

2. He went on holiday to England. The airfare was expensive ( though)

=> He went on holiday to England though the airfare was expensive.

3. It was raining. We decided to go out ( even though)

=> We decided to go out even though it was raining.

4. It was only the first time they met. They made friends immediately ( even though)

=> They made friends immediately even though it was only the first time they met.

5. We stayed up late. We were tired ( though)

=> We stayed up late though we were tired.

6. Although it rained heavily, we went to Hoa's birthday party In spite

=> In spite of heavy rain, we went to Hoa's birthday party

7. The owners of the restaurants are usually very rich The people who ..................

=> The people who own the restaurants are usually very rich.

8. Despite his intelligence, he doesn't study well at school Even ....................

=> Even though he is intelligent, he doesn't study well at school.

9. Their wedding was held in a very lovely church The church which................

=> The church which held their wedding was very lovely.

10. It was such a cold day that we stayed indoors The day............

=> The day was so cold that we stayed indoors.

17 tháng 4 2021

a, 09

b, 90

c, 900

d, 9000

17 tháng 4 2021

a,-Có 9 số có 1 c/s

b,-Có 90 số có 2 c/s

c,-Có 900 số có 3 c/s

d,-Có 9000 số có 4 c/s

6 tháng 2 2020

Gọi số tự nhiên  đó là a.

Ta có:

a chia 15 dư 7

=> a - 7 chia hết cho 15 => a - 7 + 15 chia hết cho 15

=> a  + 8 chia hết cho 15 (1)

a chia 6 dư 4

=> a - 4 chia hết cho 6

=> a - 4 + 6.2 chia hết cho 6

=> a + 8 chia hết cho 6  (2)

Từ (1); (2) => a + 8 \(\in\)BC( 6; 15 ) => a + 8 \(⋮\)BCNN ( 6 ; 15 ) 

mà BCNN ( 6; 15 ) = 30

=> a + 8 \(⋮\)30

=> a + 8 - 30 \(⋮\)30

=> a - 22 \(⋮\)30

=> a chia 30 dư 22.

1 tháng 8 2018

\(\left(x^4\right)^2=\frac{x^{12}}{x^5}\)

\(x^8=x^{12}:x^5\)

\(x^8=x^7\)

=> x8 - x7 = 0

x7.(x-1) = 0

=> x7 = 0=> x = 0

x-1 = 0 => x = 1

KL:  x = 1 hoặc x = 0

1 tháng 8 2018

\(\frac{x}{\left(x^4\right)^2}=\frac{x^{12}}{x^5}\)

=>\(\frac{x}{x^8}=x^7\)

=>\(\frac{1}{x^7}=x^7\)

=>\(1=x^7.x^7\)

=>\(1^{14}=x^{14}\)

=>\(x=1\)

Fill in: although, even though, whereas, though, but, despite or in spite of.1. A: I can't believe you paid so much for that concert ticket!- B __________ it was expensive, it was definitely worth it.2 A: The film was really great. - B: It was a bit long, __________________3 A: What a simple card trick! - B:_____it may seem easy, I've been practising it for months. 4 A: How did you and your brother do in the exams? - B: I did well_______Billy didn't.5. A: Did you finish your homework? - B: Yes,...
Đọc tiếp

Fill in: although, even though, whereas, though, but, despite or in spite of.

1. A: I can't believe you paid so much for that concert ticket!
- B __________ it was expensive, it was definitely worth it.
2 A: The film was really great. - B: It was a bit long, __________________
3 A: What a simple card trick! - B:_____it may seem easy, I've been practising it for months. 4 A: How did you and your brother do in the exams? - B: I did well_______Billy didn't.
5. A: Did you finish your homework? - B: Yes, _________it took me more than two hours.
6 A: Did you get to the airport on time?
- B: Yes.________the heavy traffic, I was able to catch my flight.
7 A: I didn't go out over the weekend __________the good weather.
- B: Why? Were you feeling sick?
8 A: I think we have the same camera.
- B: Not really. Yours takes film ________mine is digital.
9 A: What do you think of extreme sports?
- B: They are exciting _________they can be very dangerous.
10 A: Did you like the house you saw yesterday?
B: To be honest, the house wasn't very nice. I liked the garden, _______
11. I finished in the top ten of my class ____ spending all my time playing basketball and football.
12. He actually enjoys confrontation, _______ I prefer a quiet life

1
20 tháng 11 2021

cứuuuuu

Read the following passage and mark the letter A, B, C, or D on your answer sheet to indicate the correct answer to each of the questions.In the past, both men and women were expected to be married at quite young ages. Marriages were generally arranged by parents and family, with their children having little chance to say no in the matter. In the past, it was not surprising to find that a bride and groom had only just met on the day of their engagement or marriage. In modern Vietnam, this has...
Đọc tiếp

Read the following passage and mark the letter A, B, C, or D on your answer sheet to indicate the correct answer to each of the questions.

In the past, both men and women were expected to be married at quite young ages. Marriages were generally arranged by parents and family, with their children having little chance to say no in the matter. In the past, it was not surprising to find that a bride and groom had only just met on the day of their engagement or marriage. In modern Vietnam, this has changed completely as people choose their own marriage-partners based on love, and in consideration primarily to their own needs and wants. Moreover early marriage is quite illegal.

The traditional Vietnamese wedding is one of the most important of traditional Vietnamese occasions. Regardless of westernization, many of the age-old customs practiced in a traditional Vietnamese wedding continue to be celebrated by both Vietnamese in Vietnam and overseas, often combining both western and eastern elements. Besides the wedding ceremony, there is also an engagement ceremony which takes place usually half a year or so before the wedding. The number of guests in attendance at these banquets is huge, usually in the hundreds. Several special dishes are served. Guests are expected to bring gifts, often money, which the groom and bride at one point in the banquet will go from table to table collecting.

In former days, the fact that a bride and groom had only first met just on the day of their engagement or marriage was _________.

A. surprising

B. popular

C. uncommon

D. strange

1
5 tháng 7 2017

Đáp án D

Câu nào sau đây liên quan đến hôn nhân hiện đại của Việt Nam?

A. Hầu hết những người trẻ tuổi không có cuộc hôn nhân dựa trên tình yêu.

B. Tất cả các cuộc hôn nhân được bố trí bởi cha mẹ và gia đình.

C. Hôn nhân khá là Tây hóa.

D. Các cặp vợ chồng không kết hôn ở lứa tuổi khá trẻ.

Thông tin ở đoạn: “ In modern Vietnam, this has changed completely as people choose their own marriage-partners based on love, and in consideration primarily to their own needs and wants. Moreover early marriage is quite illegal.” (Ở Việt Nam hiện đại, điều này đã thay đổi hoàn toàn khi mọi người chọn một nửa để kết hôn của họ dựa trên tình yêu, và xem xét chủ yếu vào nhu cầu và mong muốn của họ. Hơn nữa tảo hôn là bất hợp pháp.)

Read the following passage and mark the letter A, B, C, or D on your answer sheet to indicate the correct answer to each of the questions. In the past, both men and women were expected to be married at quite young ages. Marriages were generally arranged by parents and family, with their children having little chance to say no in the matter. In the past, it was not surprising to find that a bride and groom had only just met on the day of their engagement or marriage. In modern Vietnam, this has...
Đọc tiếp

Read the following passage and mark the letter A, B, C, or D on your answer sheet to indicate the correct answer to each of the questions.

In the past, both men and women were expected to be married at quite young ages. Marriages were generally arranged by parents and family, with their children having little chance to say no in the matter. In the past, it was not surprising to find that a bride and groom had only just met on the day of their engagement or marriage.

In modern Vietnam, this has changed completely as people choose their own marriage-partners based on love, and in consideration primarily to their own needs and wants. Moreover early marriage is quite illegal.

The traditional Vietnamese wedding is one of the most important of traditional Vietnamese occasions. Regardless of westernization, many of the age-old customs practiced in a traditional Vietnamese wedding continue to be celebrated by both Vietnamese in Vietnam and overseas, often combining both western and eastern elements. Besides the wedding ceremony, there is also an engagement ceremony which takes place usually half a year or so before the wedding. The number of guests in attendance at these banquets is huge, usually in the hundreds. Several special dishes are served. Guests are expected to bring gifts, often money, which the groom and bride at one point in the banquet will go from table to table collecting.

 

In former days, the fact that a bride and groom had only first met just on the day of their engagement or marriage was _________.

A. surprising

B. popular

C. uncommon

D. strange

1
14 tháng 12 2017

Đáp án B

Trước kia, thực tế là cô dâu và chú rể chỉ mới gặp nhau vào ngày cưới hay ngày đính hôn của họ là _________.

A. đáng ngạc nhiên

B. phổ biến

C. không phổ biến

D. kì lạ

Thông tin ở câu: “In the past, it was not surprising to find that a bride and groom had only just met on the day of their engagement or marriage.” (Trong quá khứ, không ngạc nhiên khi phát hiện ra rằng cô dâu và chú rể chỉ vừa mới gặp nhau vào ngày cưới hay ngày đính hôn của họ.)