Please help me with the question
2 answers:
Answer:
The answer should be;
A: (0,2)
Step-by-step explanation:
When graphing out the formulas and shading them accordingly, you can see which of those points fall into the double shaded areas. (4,5) falls into an area that isn't shaded at all, which (2,-1) falls into an area where it is only shaded by one layer. I have graphed this out for you so hopefully you understand :)
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<h2>The top of the ladder is descending at 0.3 m/s.</h2>
Step-by-step explanation:
By Pythagoras theorem we know that
Hypotenuse² = Base² + Perpendicular²
h² = b² + p²
We have for ladder
h = 5 m
b = 3 m
5² = 3² + p²
p = 4 m
Differentiating h² = b² + p² with respect to time
The top of the ladder is descending at 0.3 m/s.