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3 years ago

A number that is result of squaring a natural or whole number

Mathematics

2 answers:

Veseljchak [2.6K]3 years ago

7 0

Answer: The square of a natural number is a perfect square.

Step-by-step explanation: for example, squaring 9 would leave you with a perfect square of 3, since 3x3 is 9. It is a perfect square.

Mila [183]3 years ago

3 0

Answer:

Square root

root

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Answer:

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Step-by-step explanation:

A road is perpendicular to a highway leading to a farmhouse d miles away.

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Let x be the distance of automobile from the point of intersection and distance between the automobile and farmhouse is 'h' miles.

Then by Pythagoras theorem,

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By taking derivative on both the sides of the equation,

$(2h)\frac{dh}{dt}=(2x)\frac{dx}{dt}$

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For x = 30

$\frac{dh}{dt}=\frac{30r}{h}$

Since $h=\sqrt{d^{2}+(30)^{2}}$

Therefore,

$\frac{dh}{dt}=\frac{30r}{\sqrt{d^{2}+(30)^{2}}}$

$\frac{dh}{dt}=\frac{30r}{\sqrt{d^{2}+900}}$

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