3 years ago

How do I find perimeter and area

Mathematics

1 answer:

NARA [144]3 years ago

4 0

Answer:

To find the perimeter of a rectangle or square you have to add the lengths of all the four sides

The area is measurement of the surface of a shape.

Hope this helps! （づ￣3￣）づ╭❤～

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Find the solutions of the quadratic equation -9c² +2 +3 = 0.

Tresset [83]

Given that,

An equation : -9c² +2c +3 = 0

To find,

Find the value of x.

Solution,

We have, -9c² +2c +3 = 0

We can solve it using the formula as follows :

$x=\dfrac{-b\pm \sqrt{b^2-4ac}}{2a}$

Here, a = -9, b = 2 and c =3

Put the values,

$c=\dfrac{-2\pm \sqrt{(2)^2-4(-9)(3)}}{2(-9)}\\\\c=\dfrac{-2+\sqrt{(2)^{2}-4(-9)(3)}}{2(-9)}, \dfrac{-2-\sqrt{(2)^{2}-4(-9)(3)}}{2(-9)}\\\\c=-0.47, 0.69$

So, the solution are -0.47 and 0.69.

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3 years ago

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bixtya [17]

Answer:

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30 1/4 in fraction form

Step-by-step explanation:

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3 years ago

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In which of these cases is each stamp worth the most?

Alika [10]

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3.20/8 = 0.40

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WINSTONCH [101]

Answer:

for $5 plan if he rents 47 dvd it will pay 47% as one DVS cost 1 $ .

Step-by-step explanation:

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