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VARVARA [1.3K]
3 years ago
14

Write the equation of the line fully slope-intercept form.

Mathematics
1 answer:
Temka [501]3 years ago
8 0

Answer:

The answer should be y=2x-4.

Step-by-step explanation:

The slope of the line (rise/run) is 2/1, or 2, and the y-intercept is -4.

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Answer this plz plz plz
Alexandra [31]

Answer:

its D

Step-by-step explanation:

5 0
3 years ago
Please show work Thxs
natta225 [31]
As the y intercept lies on the x-axis, x=0

To find the y-intercept, put x=0 into the equation:

3(0) - 2y =  - 18 \\ 0 - 2y =  - 18 \\  - 2y =  - 18 \\ y =  \frac{18}{2}  \\ y = 9

Therefore,the y-intercept=9.

Hope it helps!
5 0
3 years ago
Read 2 more answers
The following system has one solution: x = 2, y = −2, and z = 3. 4x − 2y + 5z = 27 Equation 1 x + y = 0 Equation 2 −x − 3y + 2z
I am Lyosha [343]

Answer:

x = t

y = -t

z = (17-6t)/5

Step-by-step explanation:

First we will write down Equation 1 and Equation 2

4x-2y+5z = 17------(1)

x + y = 0--------(2)

Since we are asked to express our answer in terms of the parameter t so lets suppose x = t and  y = -t

Now substitute the value of x and y in equation (1) we get

4(t) -2(-t) +5z = 17

6t + 5z = 17

5z = 17 -6t

z = (17-6t)/5

hence we get the following answer

x = t

y = -t

z= (17-6t)/5

we can also verify our answer by substituting the values of x ,y and z in any of the two equations above, for example lets substitute these values in equation 1

4(t) -2(-t) + 5((17-6t)/5)) = 17

6t + 17 -6t = 17

6t -6t = 17 -17

0 = 0

6 0
3 years ago
Please help ill give brainliest
boyakko [2]
Correct answer is 6... NOT 7...
7 0
3 years ago
Read 2 more answers
Una torre de 28.2 m de altura esta situada a la orilla de un rio, desde lo alto del edificio el ángulo de depresión a la orilla
Svet_ta [14]

Answer:

El ancho del río es 59.9 metros.

Step-by-step explanation:

El ancho del río lo podemos calcular con la siguiente relación trigonométrica asumiendo que la torre forma un triángulo rectángulo con el río:

tan(\theta) = \frac{CO}{CA}

En donde:

CA: es el cateto adyacente = Altura de la torre = 28.2 m

CO: es el cateto opuesto = ancho del río =?

θ: es el ángulo adyacente a CA

Dado que el ángulo de depresión (25.2°) está ubicado fuera de la parte superior de la hipotenusa del triángulo que forma la torre con la orilla opuesta del río, debemos calcular el ángulo interno (θ) como sigue:

\theta = (90 - 25.2)^{\circ} = 64.8 ^{\circ}

Ahora, el ancho del río es:

CO = tan(\alpha)*CA = tan(64.8)*28.2 = 59.9 m

Por lo tanto, el ancho del río es 59.9 metros.

Espero que te sea de utilidad!                  

4 0
2 years ago
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