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kirza4 [7]
3 years ago
9

What is the center? (x + 1)2 + (y - 3)2 = 36

Mathematics
1 answer:
Elanso [62]3 years ago
7 0

Answer:

(-1, 3)

Step-by-step explanation:

The centre of any circle in the form

(x+\alpha)^2+(y+\beta)^2 = r^2\\

Is always

(-\alpha, -\beta)

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What is the distance between points (2,4) and (3,1) to the nearest tenth
e-lub [12.9K]

Answer:

3.2

Step-by-step explanation:

5 0
2 years ago
Por qué crees que el valor de la media no aparece en la tabla y es un número decimal?
vovikov84 [41]

La media no aparece en la tabla ya que se requiere un calculo para encontrarla, además, es un número decimal pues corresponde a la suma de los resultados dividida en el número de días.

<h3>¿Qué es la media?</h3>

En matemáticas, la media o promedio corresponde a la suma de todos los valores dividida en el número total de valores. En este caso la media corresponde a la suma de las temperaturas dividida en el número de días.

Calcular la media:

Usando la formula anterior, calculemos la media:

  • 16 + 19 +17 + 20 + 22 + 18 +15 = 127/7 = 18.7

El valor de la media es 18.7, al respecto se puede observar que:

  • Este valor no aparee en la tabla pues no corresponde a la temperatura de ningún día sino que debe ser calculado.
  • Este valor es decimal, lo que se común al hallar la media ya que se suman todos los valores y se dividen por un número determinado.

Nota: Esta pregunta esta incompleta. Aquí esta la parte faltante:

Aprenda más sobre promedio en: brainly.com/question/8917478

3 0
2 years ago
It's moving day, and Lydia has packed her books into large and small boxes. The large boxes hold 35 books, and the small ones ho
Virty [35]

The number of large boxes is 4 and the number of small boxes is 14.

<u><em>Explanation</em></u>

Suppose, the number of large boxes is x and the number of small boxes is y

As, the total number of boxes is 18, so the first equation is....

x+y= 18 .......................................(1)

The large boxes hold 35 books, and the small ones hold 20 books and the total number of books is 420. So the second equation will be .....

35x+20y=420................................(2)

Now solving equation (1) for y itself , we will get....

y= 18-x

We will plug this y= 18-x into equation (2). So.....

35x+20(18-x)=420\\ \\ 35x+360-20x=420\\ \\ 15x= 420-360\\ \\ 15x=60\\ \\ x= \frac{60}{15}=4

Now plugging this x=4 into the equation y= 18-x.......

y= 18-4= 14

Thus, the number of large boxes is 4 and the number of small boxes is 14.

3 0
2 years ago
Line a passes through points (6, 10) and (1, 1). Line b is perpendicular to a. What is the slope of line b?
Vlad1618 [11]

Answer:

-5/9

Step-by-step explanation:

Slope of line a is,

m = (1-10) / (1-6)

= (-9) / (-5)

= 9/5

Slope of line b is -1/m

-1/m = -1 / (9/5) = -5/9

3 0
2 years ago
Read 2 more answers
Define obtuse triangle.
artcher [175]
The answer is B. The reasoning behind this is that an obtuse triangle has one angle that is obtuse. An obtuse angle is any angle that measures greater than 90°.
3 0
2 years ago
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