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3 years ago

A square has a area of 100 square meters. what is the perimeter of the square

1 answer:

4 0

To answer your question. to get the area of 100 the sides have to be 10 cause when multipled it’d be 100 so if you add 10 four times it’s 40

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Give the equation of the circle centered at the origin and passing through the point , 0−9.

e-lub [12.9K]

Answer:

$x^2+y^2=81$

Step-by-step explanation:

step 1

Find the radius of the circle

we know that

The radius of the circle is the distance between the center and any point on the circle

the formula to calculate the distance between two points is equal to

$d=\sqrt{(y2-y1)^{2}+(x2-x1)^{2}}$

we have the points

(0,0) and (0,-9)

substitute in the formula

$r=\sqrt{-9-0)^{2}+(0-0)^{2}}$

$r=\sqrt{-9)^{2}+(0)^{2}}$

$r=9/ units$

step 2

Find the equation of the circle

The equation of the circle in center radius form is equal to

$(x-h)^2+(y-k)^2=r^2$

we have

$(h,k)=(0,0)\\r=9\ units$

substitute

$(x-0)^2+(y-0)^2=9^2$

$x^2+y^2=81$

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3 years ago

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zepelin [54]

Answer:$19.60

Step-by-step explanation: All you have to do is get 2.80 and times it by 7

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3 years ago

What is the solution to the inequality x/9+7greaterthanequalto10

REY [17]

Answer:

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Step-by-step explanation:

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Answer:

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Step-by-step explanation:

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Is there’s more to this question?

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