This looks like a parabola so:
y=x^2 - 20x + 15 --> x^2 - 20x +15=y
(x^2 -20x)=y - 15 --> (x - 10)^2=y - 15 +100 ( used complete the square)
(x - 10)^2=y + 85
Answer: x = 3.4
Step-by-step explanation: took the test and got it right. if you need help on this kind of work u can use things like (graphing gens) or math to help you more.
Answer:
4
Step-by-step explanation:
Answer:
the answer is 0
Step-by-step explanation:
Tan (x) = 0.8. To calculate the angle x, find the tan⁻¹ (0.8) = 38.7°