Answer:
dx/dt = 5√5/2
Step-by-step explanation:
Given:
dx/dt = 25 feet per second
According to Pythagoras theorem:
x² + 90² = y²
We know that x = 30 ft
So,
x² + 90² = y²
30² + 90² = y²
y = 30√10
So,
x² + 90² = y²
By taking differentiate:
2x dx/dt = 2y dy/dt
[x/y][dx/dt] = dy/dt
dx/dt = 5√5/2
Answer:

Step-by-step explanation:
Given

Required
Standard form
We have:

Remove bracket

Collect like terms


Hence, the standard form is:

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Answer:
the answer is y =p(t + 4)/2
Answer:
5x/3y2
Step-by-step explanation: