tan = opposite/adjacent
tan 57° = x/12
Cross multiply.
x = 1.53986496381 * 12
x = 18.5 (rounded to nearest tenth).
4x would be considered a Term . 4 itself is a Coefficient and the x is a Variable.
Answer:
12 inches
Step-by-step explanation:
What information is useful?
Each brick is: 1 1/2 inches long.
There are 8 bricks used.
Let's multiply 1 1/2 x 8 = 12 inches.
You can convert into other metrics but depending on your question it is in inches.
Answer:
16/(3(x+1))
Step-by-step explanation:
We can factor the denominator of the second term, which lets us see how to combine terms:
![\displaystyle\frac{7}{x+1}-\frac{5}{3x+3}=\frac{7}{x+1}-\frac{5}{3(x+1)}\\\\=\frac{3\cdot 7}{3(x+1)}-\frac{5}{3x+3}=\frac{21-5}{3(x+1)}=\frac{16}{3(x+1)}](https://tex.z-dn.net/?f=%5Cdisplaystyle%5Cfrac%7B7%7D%7Bx%2B1%7D-%5Cfrac%7B5%7D%7B3x%2B3%7D%3D%5Cfrac%7B7%7D%7Bx%2B1%7D-%5Cfrac%7B5%7D%7B3%28x%2B1%29%7D%5C%5C%5C%5C%3D%5Cfrac%7B3%5Ccdot%207%7D%7B3%28x%2B1%29%7D-%5Cfrac%7B5%7D%7B3x%2B3%7D%3D%5Cfrac%7B21-5%7D%7B3%28x%2B1%29%7D%3D%5Cfrac%7B16%7D%7B3%28x%2B1%29%7D)
Answer:
31
Step-by-step explanation:
use a step by step calculator.