Ask a teacher or look it up or use a text book
Answer:
4 > x
Step-by-step explanation:
-1/3 (6x-15) +6x> 8x-11
Distribute the -1/3
-2x +5 +6x > 8x-11
Combine like terms
4x+5 > 8x-11
Subtract 4x from each side
4x-4x+5 > 8x-4x-11
5> 4x-11
Add 11 to each side
5+11 > 4x-11+11
16 >4x
Divide by 4
16/4 >4x/4
4 > x
To rotate a figure
90 degrees(-y,x)
180 degrees(-x,-y)
270 degrees(y,-x)
If your original point is (1,2) or example and you want to rotate it say 270 degrees the final point would be (2,-1)
Hope this helped!!!!!
You add the external lengths together
Answer:
40
Step-by-step explanation:
In the triangle, there is a 90 degree angle and Angle 1 (what we are looking for) and the other angle, lets call is Angle 2.
Lets find Angle 2 first.
First of all, the angle between angle 40 and 90 can be found easily.
That angle (lets call it "x) and 40 and 90 make a straight angle (180 degrees). So we can write:
40 + x + 90 = 180
Lets solve for "x":
40 + x + 90 = 180
130 + x = 180
x = 180 - 130
x = 50
Now, This angle (50) and Angle 2 are same [vertical angles]
So,
Angle 2 = 50
Now, there are 180 degrees in 3 angles in a triangle. So for the triangle shown, we cacn write:
90 + Angle 1 + Angle 2 = 180
90 + Angle 1 + 50 = 180
Angle 1 + 140 = 180
Angle 1 = 180 - 140
<u>Angle 1 = 40</u>
