Okay so you would use cos? = adjacent/hypotenuse so cos? = 31/57 so to find the angle you would do cos^-1(31/57) = ? so ? = 57.05 degrees. make sure your calculator is in degree mode
4
1) Examining that graph, we can see that this is a decreasing function, due to the line direction. And that the initial value is the y-intercept.
2) Hence, the initial value is 4. Notice that all values after that goes decreasing for y.
Question: 2{4x - 3(x + 5) + 10} + 3(x - 2)
Steps
1. Expand 4x - 3(x + 5) + 10 = x - 5
= 2(x - 5) + 3(x - 2)
2. Expand 2(x - 5) = 2x - 10
= 2x - 10 + 3(x - 2)
3. Expand 3(x - 2) = 3x - 6
= 2x - 10 + 3x - 6
4. Then, simplify:
Add 2x + 3x = 5x
Add -10 - 6 = -16
5. Plug it in:
5x - 16 <-------------- Answer
Hope this helped!!!!
If it is hexagon, 6 sides
1 side = 3x+5
6 sides = 6(3x+5)
perimeter
18x + 30
