Answer:
RST= 105 degrees
Step-by-step explanation:
it would be 2(5x+15) + 2(4x+3) =360
10x+30+8x+6=360
18x=324
x=18
so RST=5x+15=5(18)+15=105
Answer:
5(7+6s-9t), (70+60s-90)/2, and (105+90s)/3-45
Answer:
A = 4, B = 3, C = 7, D = 6
Step-by-step explanation:
A = 4 because A represents the number of people who didn't visit either place. This means that B + C + D = 20 - 4 = 16. To find C, which is the overlap we can do 10 + 13 - 16 = 7 so C = 7 which means B = 10 - 7 = 3 and D = 13 - 7 = 6.
the answer is 8x-4 because
3x+−5+5x+1
=(3x+5x)+(−5+1)
=8x+−4
Answer:
![(-\infty,-4]](https://tex.z-dn.net/?f=%28-%5Cinfty%2C-4%5D)
Step-by-step explanation:
So we have the inequality:

This means that our solution is all numbers <em>less than or equal to </em>-4. Therefore, in interval notation, this is:
![(-\infty,-4]](https://tex.z-dn.net/?f=%28-%5Cinfty%2C-4%5D)
This represents all the numbers from negative infinity up until -4. This is equivalent to the inequality.