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TEA [102]
3 years ago
13

One number is 9 more than another. if the sum of the two numbers is 163​, find the two numbers.

Mathematics
1 answer:
tiny-mole [99]3 years ago
5 0
I think that one number is 77 and the other is 86. 77 + 9 is 86. 86 +77 is 163.
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A cyclist travels 6 miles in 15 minutes. What is her average speed in mph?
Rasek [7]

Answer:

24 miles per hour

Step-by-step explanation:

A cyclist travels 6 miles in 15 minutes. What is her average speed in mph?

Step one:

given data

distance= 6 miles

time= 15 minutes

convert minutes to hours

15 minutes is 0.25hours

Step two:

speed= distance/time

speed= 6/0.25

speed= 24 miles per hour

3 0
3 years ago
What is the sum of 4x+11y,-15y​
Troyanec [42]

Answer:

4x-4y

Step-by-step explanation:

4x+11y-15y

Combine like terms

4x-4y

7 0
3 years ago
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Make the following conversion. 954 g = _____ kg 95400 954000 0.0954 0.954
Natali [406]

954 g = ______ kg

1000 g = 1 kg

954 / 1000 = 0.954 kg

3 0
3 years ago
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Find the circumferences of both circles to the nearest tenth.
Liula [17]

Answer:

The Orange circle is: 78.5 cm

And The Blue circle is 314.2 cm

Step-by-step explanation:

By taking the formula r^2(pi), and filling it in with the radius for the orange circle you will get 78.5. For the blue circle the radius would be the orange's radius combined with the rim given. Using the same formula you will get 314.2.  

5 0
3 years ago
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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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