X=3 Should be the answer If you ser 2x-3=5x-12
-2x -2x
-3=3x-12
+12 +12
9=3x
3=x
Answer:
c determine the side length of one tablecloth correct to the nearest tenth of a meter
For the equation of the line expressed as Ax + By + C = 0, the value of the slope (m) is calculated by -A / B. For perpendicular lines, the slope of one should be the negative reciprocal of the other. From the choices given, the lines that are perpendicular is Option A.
⊰_________________________________________________________⊱
Answer:
Step-by-step explanation:


⊱_________________________________________________________⊰
Answer: The identity is verified. See the explanation.
Step-by-step explanation:
You must keep on mind the following identities:

Therefore, by substitution, you can rewrite the identity as shown below:

Simpliying, you obtain:

The identity is verified.