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taurus [48]
4 years ago
8

When a system of linear equations has no solution the graph will

Mathematics
1 answer:
Gre4nikov [31]4 years ago
7 0
The answer is B, have parallel lines.
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Can you guys help me with all 3 questions please would really appreciate it.
Temka [501]

Answer:

Number 1 is 17 cents

Number 2 is 164.35

Number 3 is 213

Step-by-step explanation:

Please mark brainliest

3 0
3 years ago
Work out an equation of the straight line with gradient 3 that passes through the point with coordinates (2, 4).
Gnom [1K]

Answer:

The answer is

\huge \boxed{y = 3x - 10}

Step-by-step explanation:

To find an equation of a line given the slope and a point we use the formula

y -  y_1 = m(x -  x_1)

where

m is the slope

( x1 , y1) is the point

From the question the point is (2, 4) and the slope is 3

The equation of the line is

y - 4 = 3(x - 2) \\ y + 4 = 3x - 6 \\ y = 3x - 6 - 4

We have the final answer as

y = 3x - 10

Hope this helps you

3 0
4 years ago
Please help me i will give brainlist please...
Luda [366]

Answer: All i know is you have to multiply all of those numbers because its area

Step-by-step explanation:

4 0
3 years ago
Milagros quiere pintar ella misma el salon de su casa. Ha estado investigando y sabe que con 1 kilo de la pintura que mas le gus
amid [387]

Answer:

Milagros tiene que pintar 78m^{2}.

Milagros debe comprar 2 botes de pintura.

Step-by-step explanation:

La pregunta está incompleta. Faltan datos. Los adjunto :

'' Milagros ha ido a casa y ha medido las paredes, el techo, las puertas y las ventanas del salón. Todo tiene forma rectangular y las dimensiones son las siguientes :

<u>PAREDES</u> :

  • 2 paredes de 6 m de largo y 3 m de alto.
  • 2 paredes de 4 m de largo y 3 m de alto.

<u>TECHO</u> :

  • 6 m de largo y 4 m de ancho.

<u>PUERTA</u> :

  • 1 puerta de 2 m de alto y 1.5 m de ancho.

<u>VENTANAS</u> :

  • 2 ventanas de 1.5 m de alto y 1 m de ancho. ''

Para la primera pregunta vamos a calcular cuantos metros cuadrados tiene que pintar Milagros haciendo lo siguiente :

Vamos a calcular el área de las paredes y del techo y al resultado le vamos a restar el área de la puerta y de las ventanas (dado que consideramos que la puerta y las ventanas no las pintará).

El área de una superficie rectangular se calcula como largo por alto ⇒

Para las paredes tenemos :

2 paredes de 6 m por 3 m y 2 paredes de 4 m por 3 m ⇒

2.(6m).(3m)+2.(4m).(3m)=60m^{2}

Para el techo tenemos :

(6m).(4m)=24m^{2}

Si sumamos el área de las paredes y el techo :

60m^{2}+24m^{2}=84m^{2}

Al área calculada le restaremos el área de la puerta y de las ventanas :

84m^{2} - área de la puerta - área de las ventanas ⇒

84m^{2}-(2m).(1.5m)-(2).(1.5m).(1m)=78m^{2}

78m^{2} es el área de pintar.

Ahora bien, si con 1 kilogramo de pintura puede pintar 8m^{2} ⇒

\frac{78}{8}=9.75 kilogramos

Encontramos que Milagros necesita 9.75 kilogramos de pintura para pintar el salón de su casa.

Si en un bote de pintura hay 5 kilogramos, necesitará de 2 botes de pintura (10 kilogramos en total) para poder pintar su salón

8 0
3 years ago
A zombie lost 3 limbs each day for 4 days.
oee [108]

Answer A

-3 times 4=-12  12 limbs lost in 4 days  Step-by-step explanation:  A zombie lost 3 limbs each day for 4 days  We need to frame the equation  A zombie lost 3 limbs. It means 3 is negative because it says lost  3 limbs lost for 4 days  So we need to add -3 , four times  -3+(-3)+(-3)+(-3)= -12  We can also write equation as  -3 \ times \ 4=-12  -12 represents the number of limbs lost in 4 days  12 limbs lost in 4 days  

7 0
3 years ago
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