Answer:
4:20
Step-by-step explanation:
because there are 20 teachers in all and 4 science teachers so your chances of getting a science teacher are 4 out of 20
Answer:
all real numbers
Step-by-step explanation:
the domain will always be all real numbers
6x³y + 6xy − 12x² − 12 = 6(xy-2) * (x²+1)
(x²+1) is a factor of 6x³y + 6xy − 12x² − 12
For this case we have the following expression:
![\frac {3} {4} (\frac {1} {2} x-12) + \frac {4} {5}](https://tex.z-dn.net/?f=%5Cfrac%20%7B3%7D%20%7B4%7D%20%28%5Cfrac%20%7B1%7D%20%7B2%7D%20x-12%29%20%2B%20%5Cfrac%20%7B4%7D%20%7B5%7D)
Rewriting the expression we have:
We apply distributive property to the terms of parentheses:
![\frac {3} {8} x- \frac {36} {4} + \frac {4} {5}\\\frac {3} {8} x-9 + \frac {4} {5}\\\frac {3} {8} x- \frac {41} {5}\\](https://tex.z-dn.net/?f=%5Cfrac%20%7B3%7D%20%7B8%7D%20x-%20%5Cfrac%20%7B36%7D%20%7B4%7D%20%2B%20%5Cfrac%20%7B4%7D%20%7B5%7D%5C%5C%5Cfrac%20%7B3%7D%20%7B8%7D%20x-9%20%2B%20%5Cfrac%20%7B4%7D%20%7B5%7D%5C%5C%5Cfrac%20%7B3%7D%20%7B8%7D%20x-%20%5Cfrac%20%7B41%7D%20%7B5%7D%5C%5C)
Answer:
![\frac {3} {8} x- \frac {41} {5}](https://tex.z-dn.net/?f=%5Cfrac%20%7B3%7D%20%7B8%7D%20x-%20%5Cfrac%20%7B41%7D%20%7B5%7D)