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Lilit [14]
3 years ago
5

Help please! If anyone knows

Mathematics
1 answer:
kiruha [24]3 years ago
8 0
Just substitute the x for each of the values and do the work
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18. In the diagram below, PQRS is a square Find the equation of the circle that will pass through the four vertices of the squar
mamaluj [8]

An equation of the circle that will pass through the four (4) vertices of the square is (x + 2)² + y² = 2².

<h3>How to find the equation of this circle?</h3>

Mathematically, the general form of the equation of a circle is given by;

(x - h)² + (y - k)² = r²

Where:

  • h and k represents the coordinates at the center.
  • r is the radius of a circle.

<u>Note:</u> The center of a circle lies on the midpoint of the diagonal of a square, which is formed by joining its endpoints (opposite).

Midpoint on x-coordinate is given by:

Midpoint = (-2 - 2)/2

Midpoint = -4/2 = -2.

Midpoint on y-coordinate is given by:

Midpoint = (-2 + 2)/2

Midpoint = 0/2 = 0.

Thus, the center (h, k) = (-2, 0).

For the radius, we have:

r = √(-2)² + 0²

r = √4 = 2.

Substituting the parameters into the general equation, we have;

(x - (-2))² + (y - 0)² = 2²

(x + 2)² + y² = 2²

Read more on circle here: brainly.com/question/1615837

#SPJ1

6 0
2 years ago
Does anyone know? Please help :(
hammer [34]

Answer:

Choice C. 5 miles per hour

Step-by-step explanation:

(1/4)(20) = 5 per hour

3 0
3 years ago
Help please I need to get it done today​
Margarita [4]

Answer:

The fourth option

<em>I hate to ask, but please give me Brainliest. I need it to level up <3.</em>

<em />

6 0
4 years ago
Read 2 more answers
У=-3x+3<br> y = -9x + 15
julia-pushkina [17]

Answer:

(2, - 3 )

Step-by-step explanation:

Given the 2 equations

y = - 3x + 3 → (2)

y = - 9x + 15 → (2)

Substitute y = - 3x + 3 into (2)

- 3x + 3 = - 9x + 15 ( add 9x to both sides )

6x + 3 = 15 ( subtract 3 from both sides )

6x = 12 ( divide both sides by 6 )

x = 2

Substitute x = 2 into either of the 2 equations and solve for y

Substituting into (1)

y = - 3(2) + 3 = - 6 + 3 = - 3

solution is (2, - 3 )

8 0
3 years ago
What is 3 hours 35 minutes + 2 hours 45 minutes
givi [52]
The answer  to this question is 380 minutes 
4 0
3 years ago
Read 2 more answers
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