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3 years ago

Does anyone know how to do this?

Mathematics

1 answer:

Strike441 [17]3 years ago

6 0

Answer:

$196 m^{2}$

Step-by-step explanation:

A square is a shape that which all sides are equal

14 is one side of the square and to find the area of a square/rectangle, you do length*width

14*14=196

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The equation of a circle is given below.

BARSIC [14]

Given:

The equation of the circle is $x^2+(y+4)^2=64$

We need to determine the center and radius of the circle.

Center:

The general form of the equation of the circle is $(x-h)^2+(y-k)^2=r^2$

where (h,k) is the center of the circle and r is the radius.

Let us compare the general form of the equation of the circle with the given equation $x^2+(y+4)^2=64$ to determine the center.

The given equation can be written as,

$(x-0)^2+(y+4)^2=64$

Comparing the two equations, we get;

(h,k) = (0,-4)

Therefore, the center of the circle is (0,-4)

Radius:

Let us compare the general form of the equation of the circle with the given equation $x^2+(y+4)^2=64$ to determine the radius.

Hence, the given equation can be written as,

$x^2+(y+4)^2=8^2$

Comparing the two equation, we get;

$r^2=8^2$

$r=8$

Thus, the radius of the circle is 8

3 0

4 years ago

What does it mean to square a negative number

Andrej [43]

Answer:

This is because to square a number just means to multiply it by itself. For example, (-2) squared is (-2)(-2) = 4. Note that this is positive because when you multiply two negative numbers you get a positive result.

5 0

4 years ago

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Solve for a. -2(a-3)=12

meriva

Answer:

a=9

Step-by-step explanation:

6 0

3 years ago

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The sequence nth term.is the largest integer whose binary expansion has n bit (write your answer in decimal notation)

Basile [38]

The nth term is given by 2ⁿ-1.
The series looks like, 1, 3, 7, 15, 31, 63, 127, ...

6 0

3 years ago

Find the distance between the two points～ A ( 7 , 4 ) and B ( 3 , 2 ) thankyou!

vodka [1.7K]

Answer:

AB = $\sqrt{20}$

Step-by-step explanation:

calculate the distance using the distance formula

d = $\sqrt{(x_{2}-x_{1})^2+(y_{2}-y_{1})^2 }$

with (x₁, y₁ ) = B (3, 2 ) and (x₂, y₂ ) = A (7, 4 )

AB = $\sqrt{(7-3)^2+(4-2)^2}$

= $\sqrt{4^2+2^2}$

= $\sqrt{16+4}$

= $\sqrt{20}$

≈ 4.47 ( to 2 dec. places )

6 0

2 years ago

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