Answer:
A
Step-by-step explanation:
First you need to use the distributive property: 27(x+4)=-6
27x+108=-6
then you need to subtract 108 from -6 to
get x alone. 27x= 102
Lastly divide 102 by 27 to finally get x alone: x=3.777
the answer would be: x= 3.77 or 3.8
Answer:
x=13
Step-by-step explanation:
because they're alternate adjacent angles:
5x=78-x
6x=78
x=13
There are 16 ways to arrange the row so that at least 3 girls always sit next to each other.
Given two points
, the slope of the line connecting them is defined as

In your case, the points are

Plugging these values in the slope formula gives
