Study guides

Q: What number is halfway between 7 and 21?

Write your answer...

Submit

Related questions

To find the number halfway between any two numbers x and y, add x and y, then divide the answer by 2. So for 21 and 35, 21+ 35 = 56. 56/2 = 28. You can check your answer by seeing that 21 + 7 = 28 and 35 - 7 = 28.

It is 20, the number halfway between the two middle values.

The number halfway between 7 and 31 is 19.

6.95

7.5

7.5

It is 6, the number halfway between them.

26

0.75

It is the number halfway between them or the number got when you add them and divide by 2. So for 7 and 10, the number 8.5 is the median.

5 and 1/2

That number has a special name. It's called the "average" of 7 and 44. The number is 25.5 .

The fraction that lies halfway between 2/7 and 5/7 is 1/2 or one half.

14

Then number half way between them is their mean average: (-3/7 + -15/14) ÷ 2 = (-6/14 + -15/14) ÷ 2 = -21/14 ÷ 2= -21/28 = -3/4

11.. 7+4=11 and 15-4=11

The average of -7 and 4 is -1.5 .

6.5 rounded, it would be 7

There are infinite numbers between 1/3 and 1/4, but the number exactly halfway between them is 7/24.

Any reason why it wouldn't be 0.615?

Half of 6 is 3. Half of 8 is 4. 7 is not an even number, so half of 7 will not be a round number. Half of 7 is halfway between half of 6 and 8-halfway between 3 and 4. So half of 7 is 3.5 Additionally, you could multiply 7 by .5 to divide it in half. Your answer will be 3.5, for the reason explained above.

8.5

28

46

7

People also asked