Answer:
x = 2.16
Step-by-step explanation:
Question :

Use cross multiplication.
3.5x × 5 = 9 × 4.2
17.5x = 37.8
Divide both sides by 17.5.
x = 2.16
Let me know if you have any other questions. :-)
Answer:
the second one is an example of a rational function
(17/70)x = 70/70(17x)/70 = 70/7017x = 70x = 70/17x ≈ 4.1176
Answer:
∠ V = 130°
Step-by-step explanation:
In a parallelogram opposite angles are congruent and consecutive angles are supplementary.
∠ S and ∠ V are not opposite angles, they are consecutive, then
∠ S + ∠ V = 180°
50° + ∠ V = 180° ( subtract 50° from both sides )
∠ V = 130°