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Elena L [17]
3 years ago
15

Represent the following sentence as an algebra expression, where “ a number” is the letter x.

Mathematics
1 answer:
Dahasolnce [82]3 years ago
6 0

Answer:

(n + 8)∧3

Step-by-step explanation:

Sum means add

Cubed means to the 3rd power.  Need to use parentheses so the sum is found first then the answer is cubed.

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¿Cuál es el sistema de ecuaciones que permite obtener el precio por litro de los dos tipos de
vampirchik [111]

El sistema de ecuaciones que permite obtener el precio por litro de los dos tipos de gasolina es 8x + 10y = 302.12 y 12x + 12y = 400.08​ (opción D)

Una ecuación es una expresión matemática que se caracteriza por representar una igualdad entre dos miembros separados por el signo igual. La ecuaciones incluyen elementos conocidos e incógnitas relacionados mediante operaciones matemáticas.

De acuerdo a lo anterior la respuesta correcta es 8x + 10y = 302.12 y 12x + 12y = 400.08​. Por que estas ecuaciones expresan matemáticamente los datos que se tienen y las incógnitas con las letras <em>x</em> y <em>y</em>.

Por ejemplo, la primera expresa que 8 (litros) por el precio del galón de gasolina Magnum (<em>x</em>), más 10 (litros) por el precio del galón de gasolina Premium (<em>y</em>) es igual a 302.12, que fue el precio total que pagó Carlos por la gasolina.

La segunda ecuación expresa que 12 (litros) por el precio del galón de gasolina Magnum (<em>x</em>) más 12 (litros) por el precio del galón de gasolina Premium (<em>y</em>) es igual a 400.08, que fue el precio total que Raquel pagó por la gasolina.

Esta pregunta está incompleta porque faltan las opciones e información sobre la gasolina. A continuación está la información completa y las opciones.

Carlos compró 8L de gasolina Magnum y 10 litros de gasolina premium por 302.12

Raquel compró 12L de gasolina Premium y 12L de gasolina magnum por 400.08

A) 8x + 12y = 302.12

10x + 12y = 400.08

B) 8x + 12y = 400.08

10x + 12y = 302.12

C) 8x + 10y = 400.08

12x + 12y = 302.12

D) 8x + 10y = 302.12

12x + 12y = 400.08​

Aprenda más en: brainly.com/question/21880298

6 0
3 years ago
Sasha purchased paint that will cover 400 square feet per gallon. Sasha needs to paint a 4704-square-foot surface with 2 coats o
Greeley [361]

Answer:

12 gallons of paint

Step-by-step explanation:

Sasha can paint 400 square feet using 1 gallon of paint

If she needs to paint 4,704 square feet, then she will need to purchase 4,704 / 400 = 11.76 gallons of paint. Since she can only purchase paint in whole gallons, she will need to purchase 12 gallons of paint (we have to round up).

7 0
4 years ago
Which points do I plot?
madreJ [45]
Given the Y intercept is 1, we can immediately plot (0,1).
The next points are (2,3), (6,5), (-4, -1), and (-8, -3)
5 0
3 years ago
Which of the following functions is graphed below?
nydimaria [60]

Answer:

y = abs (x-5) -4

Step-by-step explanation:

We are shifting the absolute value function

f(x) = |x| to

g(x) =  | x +h| + k

where  h is a shift left if h >  0

                               right if h < 0

 and  k is a shift up if k> 0

                           down if k< 0

Since the graph is shifted down and to the right

k is <0 and h < 0

where k = -4 and h=-5

7 0
3 years ago
Brandon decided to make his own hand sanitizer. To be effective, hand sanitizer
strojnjashka [21]

Answer:

90ml

Step-by-step explanation:

all we need to do is find 60% of 150

60% of 150 is 90

6 0
3 years ago
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