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3 years ago

3x-y+2=0 in rectangle form

Mathematics

1 answer:

kotegsom [21]3 years ago

8 0

Complete Question:

Convert 3x-y+2=0 in rectangle form to polar form

Answer:

r ( 3cosθ - sinθ) = -2

Step-by-step explanation:

The equation so given is already in rectangular form, the task is to convert it to polar form.

3x - y + 2 = 0

To transform an equation from the rectangular to the polar coordinate:

x = r cosθ

y = r sinθ

Substitute the representations for x and y into the given equation:

3(r cosθ) - (r sinθ) + 2 = 0

3rcosθ - rsinθ = -2

The polar representation of the equation then becomes:

r ( 3cosθ - sinθ) = -2

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Troyanec [42]

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2 years ago

Three perfect cube blocks of different volumes were stacked on top of each other. The top block was 64 cubic centimeters, the mi

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We know that

[volume of a cube]=b³---------> b=∛Volume
b------> is the side length of a cube

The top block was 64 cm³------> b1=∛64-------> b1=4 cm
The middle block was 125 cm³------> b2=∛125------> b2=5 cm
The biggest block was 729 cm³------> b3=√729------> b3=9 cm

[the stack of blocks tall]=b1+b2+b3-------> 4+5+9-----> 18 cm

the answer is
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3 years ago