Một rectanglar tank is 50 cm long, 40cm wide and 45cm hight. The height of the water level in the container is 15cm. How many more litres of water are required to the fill up the tank completely?
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1/ The average height of 2 boys is 131.6cm . The average height of 4 girls is 128.3cm . What is the average height of all children ?
Answer : ....... cm
2/ Two years ago . Miss Lan's salary was $2300 . She got a 5% increment last year and a 10% increment this year . What is Miss Lan's salary now ?
Answer : $ ...... ?
3/ A rectanglar tank is 50cm long , 40cm wide and 45cm high . The height of the water level in the container is 15cm . How many more litres of water are roquired to fill up the tank compietely ?
Answer : ............. l
Câu 1:
It takes Abby twice as long as Blair and half as long as Caitlin to ride her bike to school. If it takes Blair 10 minutes to ride her bike to school, how long does it take Caitlin to go to school?
Answer: minutes.
Câu 2:
Mathematician Sophie Germain worked with codes and mathematics. If each letter of the alphabet is assigned a number starting with A = 1, B = 2, etc., the values of the letters in the alphabet will start to look like this:
If your code is sum of the letter values, what is the value of "MATH" ?
Answer:
Câu 3:
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 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:
Use the table of values to help you find the value of 9 feet in inches.
Answer:
Câu 6:
The difference between two numbers is 3. Their sum is 33. What are the two numbers?
Answer: The two numbers are .
(write your answer in order from least to greatest and use ";" between the numbers)
Câu 7:
Your school is having a canned food drive for Harvesters. How many total cans would you have if you made a solid pyramid with cans on the first level, on the second level and continue the pattern all the way up to just one can on top?
Answer: cans.
Câu 8:
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 9:
Joel is three years younger than his brother Jaime. The sum of their ages is fifty-five. How old is Joel?
Answer: years old.
Câu 10:
If and , what is the value of ?
Answer:
Cho M=(a,b,c)
a,Viet cac tap hop con cua M ma moi tap hop co hai phan tu:
b,Dung tap hop con de the hien quan he giua cac tap hop con do vop tap hop M
Câu 1:
A farmer plants 450 seeds per row in his field. How many FULL ROWS would he be able to plant with 50000 seeds?
Câu 2:
It takes Abby twice as long as Blair and half as long as Caitlin to ride her bike to school. If it takes Blair 10 minutes to ride her bike to school, how long does it take Caitlin to go to school?
Câu 3:
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?
Câu 4:
What is the next number in the pattern: 25, 23, 21, 19, 17, ...?
Câu 5:
What is the value of the following expression: ?
Câu 6:
The difference between two numbers is 3. Their sum is 33. What are the two numbers?
(write your answer in order from least to greatest and use ";" between the numbers)
Câu 7:
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?
Câu 8:
Use the table of values to help you find the value of 9 feet in inches.
Câu 9:
If and , what is the value of ?
Câu 10:
What is the next number in the pattern: 1, 8, 27, ...?
tim loi giai bai toan: cho hai tap hop A = (1;2;3;4;5;6)va B la tap hop cac so tu nhien le, lon hon 2. goi C la mot tap hop con nao do cua ca hai tap hop A va B. so phan tu nhieu nhat co the cau la
Việt tap hop A vac so you Nhiem nho hon 10 , tap hop B cac so tired Nhien nho hon 5 , roi dung ki hieu tap hop con de the Hien quan he Goya 2 tap hop tren ?
1, viet tap hop A cac so tu nhien nho hon 40 la boi cua 6
viet tap hop B cac so tu nhien nho hon 40 la boi cua 9
goi M la giao cua hai tap hop A va B
a) viet cac phan tu cua tap hop M
b)dung ki hieu con de the hien quan he giua tap hop M voi moi tap hop A va B
2. tim giao cua hai tap hop A va B,biet rang:
a) A={cam ; tao ; chanh }
B={cam ; chanh; quyt}
b)A la tap hop cac hoc sinh gioi mon Van cua mot lop,B la tap hop cac hoc sinh gioi mon Toan cua lop do ;
c) A la tap hop cac so chia het cho 5,B la tap hop cac so chia het cho 10
d) A la tap hop cac so chan , B la tap hop cac so le.
Câu 1:
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 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:
What is the next number in the pattern: 25, 23, 21, 19, 17, ...?
Answer:
Câu 4:
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 5:
The difference between two numbers is 3. Their sum is 33. What are the two numbers?
Answer: The two numbers are .
(write your answer in order from least to greatest and use ";" between the numbers)
Câu 6:
Your school is having a canned food drive for Harvesters. How many total cans would you have if you made a solid pyramid with cans on the first level, on the second level and continue the pattern all the way up to just one can on top?
Answer: cans.
Câu 7:
Use the table of values to help you find the value of 9 feet in inches.
Answer:
Câu 8:
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 9:
If n2 =n.n and n3=n .n.n , what is the value of 34 ?
Answer:
Câu 10:
Calculate:1/10 +2/10+3/10+4/10+5/10+6/10+7/10+8/10+9/10+55/10
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