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geniusboy [140]
3 years ago
13

Solve the system of equations by graphing, elimination or

Mathematics
1 answer:
vladimir1956 [14]3 years ago
8 0

Answer:

Solve the system of equations by graphing, elimination or

subod

Step-by-step explanation:

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What is the answer for this multi step equation
Masteriza [31]
1+7x=1+7x
-7x. -7x
1=1
8 0
3 years ago
What is the slope of the line that contains points (3,-9) and (-2,16)
Elena L [17]
The slope would be -5

Hope this helps

Have a great day/night
6 0
3 years ago
Use SUBSTITUTION to solve the system<br> y=4x<br> 2y-2x=12
olchik [2.2K]
1 Substitute
y
=
2
x
−
10
y=2x−10 into
y
=
4
x
−
8
y=4x−8.
2
x
−
10
=
4
x
−
8
2x−10=4x−8

2 Solve for
x
x in
2
x
−
10
=
4
x
−
8
2x−10=4x−8.
x
=
−
1
x=−1

3 Substitute
x
=
−
1
x=−1 into
y
=
2
x
−
10
y=2x−10.
y
=
−
12
y=−12

4 Therefore,
x
=
−
1
y
=
−
12

​

x=−1
y=−12
​
6 0
3 years ago
5. Austin left for school at 7:35 A.M He arrived at school 15 minutes later. What time did Austin arrive at school?
snow_lady [41]

Answer:

He arrived at school at 7:50

Step-by-step explanation:

15 plus 7:35 is 7:50


8 0
4 years ago
El ingreso de una empresa de construcción de obras civiles se estima a través del tiempo de acuerdo con la siguiente función I(t
brilliants [131]

Usando conceptos de funciones cuadráticas, se encuentra que:

  • El máximo ingreso será alcanzado en 6 años.
  • El máximo ingreso será de 800 miles de soles.

La función que estimate el tiempo es dada por:

I(t) = -64 + 288t - 24t^2

Que es una función cuadrática con coeficientes a = -24, b = 288, c = -64.

El año en qué se alcanzará el máximo ingreso es el <u>valor de t de el vertice</u>, o sea:

t_V = -\frac{b}{2a} = -\frac{288}{2(-24)} = \frac{288}{48} = 6

El máximo ingreso será alcanzado en 6 años.

El valor del máximo ingreso es el valor de <u>I de el vertice</u>, o sea:

I_v = -\frac{\Delta}{4a} = -\frac{b^2 - 4ac}{4a}

Entonces:

I_v = -\frac{288^2 - 4(-24)(-64)}{4(-24)} = 800

El máximo ingreso será de 800 miles de soles.

Un problema similar es dado en brainly.com/question/21434178

5 0
2 years ago
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