You need to get x alone. So first you bring the 13 over and it becomes negative because it switches signs when switching sides
13x=104-13
13x=91
The you have to divide by 13 since you are multiplying on the other side
X=91/13
Your final answer should be
X=7
THANK U SO MUCH HAVE A HAPPY HOLIDAY!!
Answer:
2.8 inches
Step-by-step explanation:
We can use the formula [ a^2 + b^2 = c^2 ] to solve.
2^2 + 2^2 = c^2
4 + 4 = c^2
8 = c^2
√8 = √c
c ≈ 2.8
Best of Luck!
Answer:
Following are the solution to the given question:
Step-by-step explanation:
Initial number of users
![\text{growth rate=doubles every seven days}](https://tex.z-dn.net/?f=%5Ctext%7Bgrowth%20rate%3Ddoubles%20every%20seven%20days%7D)
![100\% \longrightarrow 7\ days\\\\\frac{100}{100} \longrightarrow 7\ days\\\\1 \longrightarrow 7\ days\\\\](https://tex.z-dn.net/?f=100%5C%25%20%5Clongrightarrow%207%5C%20days%5C%5C%5C%5C%5Cfrac%7B100%7D%7B100%7D%20%5Clongrightarrow%207%5C%20days%5C%5C%5C%5C1%20%5Clongrightarrow%207%5C%20days%5C%5C%5C%5C)
When:
![N=N_0\ 2^{rt}\\\\](https://tex.z-dn.net/?f=N%3DN_0%5C%202%5E%7Brt%7D%5C%5C%5C%5C)
![=100\times 2^{rt}\\\\=100\times 2^{t\cdot \frac{1}{7}}\\\\=100\times 2^{ \frac{t}{7}}\\\\](https://tex.z-dn.net/?f=%3D100%5Ctimes%202%5E%7Brt%7D%5C%5C%5C%5C%3D100%5Ctimes%202%5E%7Bt%5Ccdot%20%5Cfrac%7B1%7D%7B7%7D%7D%5C%5C%5C%5C%3D100%5Ctimes%202%5E%7B%20%5Cfrac%7Bt%7D%7B7%7D%7D%5C%5C%5C%5C)
Checking the value:
After 14 days:
![N=100\times 2^{ \frac{14}{7}}=400\\\\100 \overset{100\ days}{\rightarrow} 200 \overset{7 \ days}{\rightarrow}\ 400](https://tex.z-dn.net/?f=N%3D100%5Ctimes%202%5E%7B%20%5Cfrac%7B14%7D%7B7%7D%7D%3D400%5C%5C%5C%5C100%20%5Coverset%7B100%5C%20days%7D%7B%5Crightarrow%7D%20200%20%5Coverset%7B7%20%5C%20days%7D%7B%5Crightarrow%7D%5C%20400)