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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 x0 and 5x+8+|3x|0 then xQuestion 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. T...
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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.
there were 550 students who participated in a quiz of 5 math problems, and 2011 problems were solved correctly in all. it is found out that every participant solved correctly at least 1 problem. it also know that 59 students got 1 problem correct, 69 students were able to answer all problem correctly while the number of students who 2 correct and 3 correct answer were the same. how many of the students got 4 correct answers
27 tháng 3 2023 lúc 22:55
There are fewer than 30 students in the mathematics class. One half of them play the piano, one quarter play hockey and one seventh are in the school play. How many of the students play hockey?
The teacher has 12 cards of number 1 to 12 and gives to 6 students
randomly.
Each student receives 2 cards, then tells students in the class the sum of 2
numbers on cards to examine whether or not the sum is a prime number.
Surprisingly, all of the 6 sums are prime numbers.
What is the sum of these 6 prime numbers from the 6 students?
giúp mình câu này với
How many two-digit numbers N have the property that the sum of N and the number formed by reversing the digits of N is a perfect square ?The square SAMF has an area of 169. It contains two over lapping squares. The smaller of these sqares has an area that is one quarter of the larger of them, and the erea of their overlap is 4. What is the erea of the shaded region ?In the diagram, each of the integers 1 through 9 is to be placed in one circles, both horizontal and diagonal, add to 18. The 6 and...
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How many two-digit numbers N have the property that the sum of N and the number formed by reversing the digits of N is a perfect square ?The square SAMF has an area of 169. It contains two over lapping squares. The smaller of these sqares has an area that is one quarter of the larger of them, and the erea of their overlap is 4. What is the erea of the shaded region ?In the diagram, each of the integers 1 through 9 is to be placed in one circles, both horizontal and diagonal, add to 18. The 6 and 1 have been filled in as shown. Determine the value of the number represented by x in the diagram. Justify your answerHow many digits does the number 2013 have ?
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 ......................................................
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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..............................................
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 ......................................................
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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..............................................
There is no place like my home . I live in a small house . To me , Ive got a wonderful house . From the outside , it looks rather old with brick wall and tile roof , but its very comfortable and cool house . There are 5 rooms : a living room , 3 bedroom and a kitchen.The living room isnt very small with a long table and four chairs . Theres a tea-tray on it for my parents to drink tea every day and to welcome guests .Next , the two bedrooms are near together and next to the living-room . One i...
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" There is no place like my home " . I live in a small house . To me , I've got a wonderful house . From the outside , it looks rather old with brick wall and tile roof , but it's very comfortable and cool house .
There are 5 rooms : a living room , 3 bedroom and a kitchen.
The living room isn't very small with a long table and four chairs . There's a tea-tray on it for my parents to drink tea every day and to welcome guests .
Next , the two bedrooms are near together and next to the living-room . One is my parent and one is mine and brother . My bedroom is the place I like most . There are some my paintings draw on the wall . There is a wardrobe next to the bed . On the wall an air - conditioner . That is the place I always put my stuffed crocodile . I like cooking , so kitchen is one of my favorite rooms , too . There is a gas table and a refrigerator in the kitchen . And there is a lot of food such as fruits , eggs and vegetables ... I can learn how to cook any time. where is this our reunion family every evening. the garden behind my house are many flowers blooming by the daily care of my mother. house is the most peaceful place where every member gathers after a hard work day . I love my house very much.
Câu 1:If Juan spent of his money on a game that costs 20 dollar, how much did Juan have originally to spend?Use the diagram below to reason the answer.Answer: dollar.Câu 2:If you make the 8000km trip, about how much would it cost at todays prices of 3.00 dollar per liter of gas when your car gets 25km per liter?Answer: dollar.Câu 3:A farmer plants 450 seeds per row in his field. How many FULL ROWS would he be able to plant with 50000 seeds?Answer: Câu 4:How many apples would you get from the...
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Câu 1:
If Juan spent of his money on a game that costs 20 dollar, how much did Juan have originally to spend?
Use the diagram below to reason the answer.
Answer: dollar.
Câu 2:
If you make the 8000km trip, about how much would it cost at today's prices of 3.00 dollar per liter of gas when your car gets 25km per liter?
Answer: dollar.
Câu 3:
A farmer plants 450 seeds per row in his field. How many FULL ROWS would he be able to plant with 50000 seeds?
Answer:
Câu 4:
How many apples would you get from the 10th tree if a farmer notices a pattern from picking the apples on the 1st through the 10th tree. He picked 4 from the first tree, 7 from the second tree and 10 from the third tree.
Answer:
Câu 5:
The 112 4-grade students at Edgemont School donate pennies to raise 75 dollar for a local charity. What is the minimum number of pennies each student needs to bring if they are to meet their goal of collecting 75 dollar?
(1 dollar = 100 pennies)
Answer: pennies.
Câu 6:
Examining the operation of how to use the number of days to find the number of beans in a classroom jar is shown the table. On day 31, how many beans would be in the jar?
Answer: beans.
Câu 7:
If and , what is the value of ?
Answer:
Câu 8:
What is the value of the following expression: ?
Answer:
Câu 9:
Calculate:
.
Câu 10:
What is the next number in the pattern: 1, 8, 27, ...?
Answer:
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