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tatuchka [14]
3 years ago
15

Find the distance between the two points rounding to the nearest tenth (if necessary). (-6,7) and (-3,0)​

Mathematics
1 answer:
Julli [10]3 years ago
3 0
The formula is rad (-6-(-3))^2 + (7-0)^2 which equals 7.6
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State if these 3 numbers can be the measures of the sides of a triangle.
Feliz [49]

Answer:

they can all be mesures of a triangle

7 0
3 years ago
Select the ordered pairs that represents a solution to the functions below. F(x)= - x^2 +5.F(x)=x^2+5.
svp [43]

Answer:

(0,5)

Step-by-step explanation:

(1)  y = -x² + 5

(2) y = x² + 5

  2y =10           Added (1) and (2)

(3) y = 5           Divided each side by 2

   5 = x² + 5    Substituted (3)into (2)

   0 = x²          Subtracted 5 from each side

  x = 0           Took the square root of each side

The only ordered pair that represents a solution to both functions is (0, 5).

The graph of the second function is an upward-opening parabola (y = x²) translated up five units.

The graph of the first function is a downward-opening parabola (y = -x²) translated up five units.

The two graphs meet at their common vertex, (0, 5).

6 0
4 years ago
Evaluate the expression 7+4b when b=3
Alex17521 [72]

Answer:

19

Step-by-step explanation:

If we plug in b=3 then it would be 7+4(3), First we solve what 4 times 3 is which is 12 then we add 7+12 which is 19

6 0
3 years ago
Suppose you have entered an 85​-mile biathlon that consists of a run and a bicycle race. during your​ run, your average velocity
belka [17]
X= number of hours in run
y = number of hours in bike race

9x+29y=85
x+y=5, and y=5-x

Substituting 5-x for y in the first equation, we have 9x+ 29(5-x)=85 and 9x+145-29x=85, then subtracting 145 from both sides to get -20x=-60 and x=3, which is the amount of hours in the running race. Multiply that by 9 miles per hour to get 27 miles
7 0
3 years ago
Halle la ecuación del eje x y la ecuación del eje y, usando dos puntos que se encuentren sobre los mismos.
lisov135 [29]

Una linea recta ( cualquier eje coordenado es una línea recta) queda definida si se conocen dos puntos que están sobre ella.

Solución:

Ecuación del eje x      y = 0

Ecuación del eje y      x = 0

Para darle respuesta a la pregunta podemos seguir el siguiente procedimiento:

  • Escogemos dos puntos arbitrarios sobre el eje x, por ejemplo

P ( 2 ; 0 )  y Q ( 5 ; 0 )         ( todos los puntos sobre el eje x tienen coordenada y = 0.

Según la cual  m = (y₂ - y₁)/ ( x₂ - x₁ )    m = 0

  • Usamos la ecuación pendiente-Intercepto

y = m×x + b         donde m es la pendiente y b el intercepto con el eje y

y entonces tenemos:

  • m = 0    b ( 0 ; 0 )
  • Por sustitución en la ecuación pendiente-intercepto

y = 0

Procediendo de forma similar obtendremos la ecuación del eje y

P´( 0 ; 4 )     Q´( 0 : 8 ) entonces

y = m×x + b

En este caso, la pendiente no es definida ( tang 90° ) y b es de nuevo el punto b ( 0 ; 0).

A partir de  que todos y cada uno de los puntos sobre el eje y son  de valor 0 para x, concluímos que  ecuación del eje y es

x = 0

Enlaces de interés:brainly.com/question/21135669?

8 0
2 years ago
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