if the sum of 5 consecutive numbers is 95. what is the third number?
回答 (9)
2018-03-12 2:15 pm
Let n - 2, n - 1, n, n + 1 and n + 2 be the five numbers.
(n - 2) + (n - 1) + n + (n + 1) + (n + 2) = 95
5n = 95
n = 19
The third number = 19
(n - 2) + (n - 1) + n + (n + 1) + (n + 2) = 95
5n = 95
n = 19
The third number = 19
2018-03-12 3:36 pm
The third (middle) number will be the average.
95 / 5 = 19
Answer:
The numbers are 17, 18, 19, 20, 21. They add to be 95 and the 3rd number is 19.
95 / 5 = 19
Answer:
The numbers are 17, 18, 19, 20, 21. They add to be 95 and the 3rd number is 19.
2018-03-13 2:17 am
95/5 = 19
Check:
19 + 19 + 19 + 19 + 19 = 95
Subtract 1 and 2 from the first numbers and add 1 and 2 to the last numbers
= 17 + 18 + 19 + 20 + 21
Answer 19
Check:
19 + 19 + 19 + 19 + 19 = 95
Subtract 1 and 2 from the first numbers and add 1 and 2 to the last numbers
= 17 + 18 + 19 + 20 + 21
Answer 19
2018-03-12 8:27 pm
Let the 5 consecutive numbers be x,x+1,x+2,x+3,x+4
x+ (x+1)+(x+2)+(x+3)+(x+4)=95
5x+10=95
5x=85
x=17
The numbers are 17,18,19,20,21
The third numer is 19
x+ (x+1)+(x+2)+(x+3)+(x+4)=95
5x+10=95
5x=85
x=17
The numbers are 17,18,19,20,21
The third numer is 19
2018-03-12 7:20 pm
The third number (n) is the mid point of the series.
(n-2) (n-1) (n) (n+1) (n +2) which you can state as 5n
95/5 = 19
The series is thus 17,18,19,20,21 and the answer is 19
(n-2) (n-1) (n) (n+1) (n +2) which you can state as 5n
95/5 = 19
The series is thus 17,18,19,20,21 and the answer is 19
2018-03-12 2:10 pm
X + (x+ 1) + (x + 2) + (x +3) + (x + 4) = 95
5x + 10 = 95
5x = 85
x = 17
17, 18, 19, 20, 21
Third number is 19.
5x + 10 = 95
5x = 85
x = 17
17, 18, 19, 20, 21
Third number is 19.
2018-03-14 12:42 pm
19.
2018-03-12 11:58 pm
17 +18 + 19 + 20 + 21 = 95
The third number is 19.
The third number is 19.
2018-03-12 2:09 pm
19
2018-03-12 1:59 pm
19
收錄日期: 2021-04-24 00:58:49
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