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agasfer [191]
2 years ago
13

In less developed countries, pesticides are typically applied by hand, whereas pesticides are typically applied by tractors

Advanced Placement (AP)
1 answer:
zhuklara [117]2 years ago
8 0

Answer:

I guess the application method by hands is more harmful. As pesticides are some sort of chemical substances which are used to kill insects and other sort of pests in any kind of plant. And we also know that pesticides are chemical substances.So when pesticides are typically applied by hands it can damage your palm skin.After applying pesticides you wash your hands. But, Do you know that even after washing little amount of pesticides are left on your palm?? And by using that hands you cook food then eat it. Then, you will fall sick as well as your family members. So, isn't it harmful to apply pesticides by using your hands??

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The graph of x^2=-2+y+5cosy is shown for y=11
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(a)

We have been given an equation x^{2}=-2+y+5cosy. Upon taking derivative of this equation with respect to x on both the sides, we get:

2x=0+\frac{dy}{dx}+5(-siny)\frac{dy}{dx}\\2x=(1-5siny)\frac{dy}{dx}\Rightarrow \frac{dy}{dx}=\frac{2x}{1-5siny}

(b)

In order to write the equation of tangent line, we need to find the slope of the line. We know that point (3,11) lies on the graph. Therefore, we write the slope of the tangent as:

\text{Slope}=\frac{dy}{dx}=\frac{2(3)}{1-5sin(11)}=1

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y-y_{1}=m(x-x_{1})\Rightarrow y-11=1(x-3)\\y-11=x-3\\y=x+8

(c)

We know that slope of tangent is given as \frac{dy}{dx}=\frac{2x}{1-5siny}. The tangent will be vertical when denominator of slope is zero, that is:

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