Answer:
![t_{4}=20](https://tex.z-dn.net/?f=t_%7B4%7D%3D20)
Step-by-step explanation:
Given:
The
term of the sequence is given as:
![t_{n}=n^{2}+n](https://tex.z-dn.net/?f=t_%7Bn%7D%3Dn%5E%7B2%7D%2Bn)
In order to find the fourth term of this sequence, we need to plug in 4 for
in the above expression and solve. This gives,
![t_{4}=4^{2}+4\\t_{4}=16+4=20](https://tex.z-dn.net/?f=t_%7B4%7D%3D4%5E%7B2%7D%2B4%5C%5Ct_%7B4%7D%3D16%2B4%3D20)
Therefore, the fourth term of the sequence is
.
Answer:
x = 1
Step-by-step explanation:
Since everything has a denominator of 7, you can ignore the 7
x - 1 + 2x = 2
3x = 2 + 1
3x = 3
x = 1
I got 69.4444444444
To figure out this problem you need to do 72%/100% multiplied by 50/n. Then you cross multiply. (100x50 and 72xn) You get 5,000 and 72n. 72n can be divided by 72. Then you just do 5,000 divided by 72 and you get 69.4444444444
Just to 3/8×3 and you get 1 1/8 your answer would be 1 1/8