Answer:
3^(n+1) - 3^n / 3^(n-1) = 6
Answer:
6
Step-by-step explanation:
Sum of first 4 numbers= 4*5= 20
This includes 3 + 4th number
Sum of last 4 numbers= 4*8= 32
This includes 4th number + 3
Sum of 7 numbers= 7*(6+4/7)= 46
This includes 3+4th number +3
Number common to both sets= (20+32)- 46 = 6
Answer:
6.
Step-by-step explanation:
Lucy studies one less (-1) than twice the number of hours a week that rose studies (2 * R), lucy studies 11 hours a week. What we do is add 1 hour to lucy's 11, to get 12, then divide by 2 as lucy studies twice the hours. 12 / 2 = 6.
9514 1404 393
Answer:
n + 5 > 11
Step-by-step explanation:
When 5 is added to a number n, the expression representing that sum is ...
5 + n
When that is greater than 11, the expression representing that comparison is ...
5 + n > 11
64899.4
Explanation: rounding to the nearest ten is the first number AFTER the decimal. You round up one of the 2nd number is greater than 5, but it is 4 in this case. The answer would be 64899.4
