Các câu hỏi tương tự
1) Fill the mussing number. A cube has.....vertices
2) Fill the missing number. We're in the....st century
3) Ther are only two 2-digit numbers that are a multiple of 7 and the sum of thetr two digits is 10. Find the sum of these two 2-digit numbers: 70,119,140,21
4) The fourth power of 3 is...
5) Twice the square of 3....
6) The number of ethnic group in Vietnam?
7) The perimeter of 4cm square egde in cm?
Put 1,2,3,4,5,6,7,8,9 in the circles on the edges of the triangle below such that the sum of the numbers on one side equals the sum of the numbers on the other side,which is 17.The sum of the numbers on the three vertices is
Consider the set of the first one hundred natural numbers {0,1,2,3,…,99}. Let k be the sum of digits of a number in the set. Find the value of k such that the number of numbers whose digits add up to the same value is a maximum.
In a number sequence : 1 , 1 , 2, 3 , 5 , 8 , 13 , 21 , ... , starting from the third number , each number is the sum of the two numbers that come just before it . How many even numbers are there among the first 1000 numbers in the number sequence ?
Question 9:
Put1,2,3,4,5,6,7,8,9 in the circles on the edges of the triangle below such thatthe sum of the numbers on one side equals the sum of the numbers on the other side,which is 17.The sum of the numbers on the three vertices is....
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 va...
Đọc tiếp
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:
Put1,2,3,4,5,6,7,8,9 in the circles on the edges of the triangle below such thatthe sum of the numbers on one side equals the sum of the numbers on the other side,which is 17.The sum of the numbers on the three vertices is
1.The sum of two natural numbers is equal to their difference multiplied by 3.Find their quotient
2.Let a be a natural number.Suppose that a gives a remainder of 38 when divided by 54; a gives 14 and a remainder r when divided by 18.What is the value of a+r?
mik cần gấp giúp với,viết cả lời giải nha!
Question 1:The least common multiple of 330; 65; 15 is Question 2:Given seven numbers: 25; 17; 39; 43; 239; 1021; 1023.The composite numbers are (Write numbers in order from the least to the greatest and use ;)Question 3:The common factors of 18 and 27 are (Write numbers in order from the least to the greatest and use ;)Question 4:Given the set of even numbers: {2; 4; 6; …; 100}.The number of elements is Question 5:Find four integer numbers a,b,c,d such thata + b + c + d 1a + c + d 2a + b + d...
Đọc tiếp
Question 1:
The least common multiple of 330; 65; 15 is
Question 2:
Given seven numbers: 25; 17; 39; 43; 239; 1021; 1023.
The composite numbers are
(Write numbers in order from the least to the greatest and use ";")
Question 3:
The common factors of 18 and 27 are
(Write numbers in order from the least to the greatest and use ";")
Question 4:
Given the set of even numbers: {2; 4; 6; …; 100}.The number of elements is
Question 5:
Find four integer numbers a,b,c,d such that
a + b + c + d = 1
a + c + d = 2
a + b + d = 3
a + b + c = 4
Answer: (a;b;c;d)=()
Question 6:
Find a four-digit natural number that is less than 2015.If the thousands digit is erased,the number will be decreased by 9 times.
Answer:The number is
Question 7:
Calculate: 1×2+2×3+⋯+100×101=
Question 8:
The term of the expression A=1-7+13-19+25-31+⋯ is
Question 9:
Given the expression A= ...
Find the value of n such that 2A+3=
Answer: n=
Question 10:
A natural number has six digits and the units digit is 4.If the units digit is moved to the first row then the number will be increasedby 4 times.The number is