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toan quoc te nhaQuestion 1:There are two parallel lines in the figure. What is the value of x?  Answer: x = Question 2:ABC and RTS are similar triangles.The value of x is Question 3:If x<0 and 5x+8+|3x|=0 then x=Question 4:I am a multiple of 70 between 400 and 600. My tens digit is odd. Who am I?Answer: Question 5:How many triples of integers (a,b,c) are there such that  ? Answer:  triples.Question 6:Each of the 37 students in the grade 8 at a school has one dog or one cat or both a dog and a...
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toan quoc te nha

Question 1:
There are two parallel lines in the figure. What is the value of x? 

 Answer: x = 

Question 2:


ABC and RTS are similar triangles.
The value of x is 

Question 3:
If x<0 and 5x+8+|3x|=0 then x=

Question 4:
I am a multiple of 70 between 400 and 600. My tens digit is odd. Who am I?

Answer: 

Question 5:
How many triples of integers (a,b,c) are there such that 
 ? 
Answer:  triples.

Question 6:
Each of the 37 students in the grade 8 at a school has one dog or one cat or both a dog and a cat. Twenty students have a dog and 24 students have a cat. 
How many students have both a dog and a cat?
Answer:  students.

Question 7:
The sum of 2 positive integer numbers is greater than their product if the smaller number is 

Question 8:
How many different real numbers satisfy the following equation?
 
Answer: 

Question 9:
The area of trapezoid ABCD is 180   .The altitude is 8 cm,AD is 10 cm,and BC is 17 cm.
What is AB,in centimeters?

Answer:  cm.

Question 10:
There are 115 cars in a village of 26 families. Each family has either 4 or 5 cars. 
How many families have 4 cars? 
 Answer:  families.

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Fill in the blank with the correct number Question 1:ABC and RTS are similar triangles.The value of x is  Question 2:If x<0 and 5x+8+|3x|=0 then x= Question 3:I am a multiple of 70 between 400 and 600. My tens digit is odd. Who am I?Answer:  Question 4:There are two parallel lines in the figure. What is the value of x?  Answer: x =  Question 5:Each of the 37 students in the grade 8 at a school has one dog or one cat or both a dog and a cat. Twenty students have a dog and 24 students have a...
Đọc tiếp
Fill in the blank with the correct number Question 1:


ABC and RTS are similar triangles.
The value of x is  Question 2:
If x<0 and 5x+8+|3x|=0 then x= Question 3:
I am a multiple of 70 between 400 and 600. My tens digit is odd. Who am I?

Answer:  Question 4:
There are two parallel lines in the figure. What is the value of x? 

 Answer: x =  Question 5:
Each of the 37 students in the grade 8 at a school has one dog or one cat or both a dog and a cat. Twenty students have a dog and 24 students have a cat. 
How many students have both a dog and a cat?
Answer:  students. Question 6:
Mary is 24 years old. She is twice as old as Bella was when Mary was as old as Bella is now. 
How old is Bella now?
Answer:  years. Question 7:
Jane draws a circle and a triangle on each page of her booklet, and near each drawing she writes the number of common points of the circle and the triangle.
How many different numbers can she write?
Answer:  numbers Question 8:
How many different real numbers satisfy the following equation?
 
Answer:  Question 9:
There are 115 cars in a village of 26 families. Each family has either 4 or 5 cars. 
How many families have 4 cars? 
 Answer:  families. Question 10:
The area of trapezoid ABCD is 180   .The altitude is 8 cm,AD is 10 cm,and BC is 17 cm.
What is AB,in centimeters?

Answer:  cm.
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Câu 1 :Each of cars can take 8 people. How many cars needed to take 124 people? Câu 2 : How many integer numbers between 200 and 300 are there for which the hundreds digit equals the sum of the other two digits? Câu 3 : The average of five numbers is 20. The average of the five number is 18 when one of the numbers is chaned to 4. What is the orginal value of the changed number? Câu 4 :A book has 250 pages starting at number 1. How many digits are there in the page numbers of the book? Câu 5...
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Câu 1 :Each of cars can take 8 people. How many cars needed to take 124 people?

Câu 2 : How many integer numbers between 200 and 300 are there for which the hundreds digit equals the sum of the other two digits?

Câu 3 : The average of five numbers is 20. The average of the five number is 18 when one of the numbers is chaned to 4. What is the orginal value of the changed number?

Câu 4 :A book has 250 pages starting at number 1. How many digits are there in the page numbers of the book?

Câu 5 : Find A, if A is 3 less than the average of 48; 55; 29 and A. The value of A is…

Câu 6 : The sum of denominator and numerator of a fraction is 121 and the fraction is equal to 4/7. Find the denominator of the fraction?

Câu 7 : The sum of two numbers is equal to 77. If the first number is multiplied by 8 and the second by 6, the two product are equal. The larger of these numbers is…

Câu 8 : Which is the greatest 2 - digit number divisible by 2, 3 and 4?

Câu 9 : Calculate: (1 + 2/5) x 6/7.

Câu 10 : Give the number sequence: 1, 4, 7, 10, 13, … Find the 15th term of the number sequence.

2
13 tháng 12 2018

cậu lạc đè rồi

27 tháng 12 2020

câu 1:16 ; câu 2 : ai mà biết được 

19 tháng 10 2023

Tạm dịch:

1) Susan có một giỏ táo. Có ít hơn 50 quả táo trong giỏ. Nếu cô ấy đưa cho mỗi người bạn 8 quả táo thì cô ấy sẽ không còn quả nào. Nếu cô ấy đưa cho mỗi người bạn 9 quả táo thì cô ấy sẽ cần thêm 5 quả táo nữa. Có bao nhiêu quả táo trong giỏ?

2) Lớp 6 môn GMaths có số học sinh bằng bội số của 5 từ 10 đến 2000. Có bao nhiêu học sinh lớp 6 môn GMaths?

19 tháng 10 2023

đề 1) sai

viet lai cau sau sao cho nghia khong doi :1. how many students are there in your class? how many students does ...............................2. the house is front of the tall trees.  the tall trees ...............................3. our school has forty students. there ..................................... 4. the bookstore is behind my house.    my house .........................................5. does phong`s school have forty classrooms?  are...
Đọc tiếp

viet lai cau sau sao cho nghia khong doi :

1. how many students are there in your class?

 how many students does ...............................

2. the house is front of the tall trees.

  the tall trees ...............................

3. our school has forty students.

 there .....................................

 4. the bookstore is behind my house.

    my house .........................................

5. does phong`s school have forty classrooms?

  are .....................................................

6. our school has 1600 students .

  there are ............................

7. there are four people in her family .

 her family ........................................

8. my house is benhind the cinema.

 thec inema....................................

9. does your class have twenty five students?

 are ........................................................

10. the cat is in front of the television .

  the television ........................................

11. my class has thirty students.

  there are..................................... 

12. there are thirty students in my class. 

   my class ............................................

13. my school has two floor.

   there.............................................. 

1
7 tháng 7 2016

1) ..your class have?

2)...is behind the house

3)..are forty students in our school

viet lai cau sau sao cho nghia khong doi :1. how many students are there in your class? how many students does ...............................2. the house is front of the tall trees.  the tall trees ...............................3. our school has forty students. there ..................................... 4. the bookstore is behind my house.    my house .........................................5. does phong`s school have forty classrooms?  are...
Đọc tiếp

viet lai cau sau sao cho nghia khong doi :

1. how many students are there in your class?

 how many students does ...............................

2. the house is front of the tall trees.

  the tall trees ...............................

3. our school has forty students.

 there .....................................

 4. the bookstore is behind my house.

    my house .........................................

5. does phong`s school have forty classrooms?

  are .....................................................

6. our school has 1600 students .

  there are ............................

7. there are four people in her family .

 her family ........................................

8. my house is benhind the cinema.

 thec inema....................................

9. does your class have twenty five students?

 are ........................................................

10. the cat is in front of the television .

  the television ........................................

11. my class has thirty students.

  there are..................................... 

12. there are thirty students in my class. 

   my class ............................................

13. my school has two floor.

   there.............................................. 

2
7 tháng 7 2016

tự mà làm đi 

15 tháng 11 2016

khó quá

2 tháng 12 2015

chỗ này không phải học tiến anh đâu nhà con lợn

2 tháng 12 2015

có học vào thông tin mà xem nha

4 tháng 6 2016

Gọi x là số học sinh có cả anh chị  trong lớp John .Ta có sơ đồ Ven : 18-x hs chỉ có anh 16 -x hs chỉ có chị x hs 4 hs không có anh chị 35 học sinh

=> (18 - x) + x + (16 - x) + 4 = 35 <=> 38 - x = 35 => x = 38 - 35 = 3

Vậy lớp John có 3 học sinh có cả anh và chị

27 tháng 8 2017

Sorry i can not answer your question !

28 tháng 8 2017

why?Is it so hard?