I think the answer is probably b or c
gradient is 2
Step-by-step explanation:
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Answer:
$19.55
Step-by-step explanation:
17*0.15=2.55
17+2.55=19.55
<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.
0.07
Step-by-step explanation:
This is because 7/100 is 7% and as a decimal is 0.07
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