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Dafna1 [17]
3 years ago
11

Un león, al ver correr un grupo de venados ¡exclamó!: "Adiós, mis cien venados", a lo cual los venados contestaron: "Estás equiv

ocado, señor león. Con nosotros, otros tantos, la mitad de nosotros, la cuarta parte de nosotros y tú, señor león, somos 100". Cuántos venados van en el grupo? ( Utilice una ecuación de primer grado)
Mathematics
1 answer:
alukav5142 [94]3 years ago
8 0

Answer:

Hay 56 venados en el grupo.

Step-by-step explanation:

En primer lugar, debemos traducir la proposición (oración) en una expresión matemática:

"Estás equivocado, señor león. Con nosotros, otros tantos, la mitad de nosotros, la cuarta parte de nosotros y tú, señor león, somos 100"

x + \frac{x}{2} + \frac{x}{4} + 1 = 100

\frac{3\cdot x}{2} + \frac{x}{4} = 99

\frac{7\cdot x}{4} = 99

Donde x es el número de venados.

x = 56.571

Puesto que la cantidad de venados es un número entero, debemos truncar al entero más cercano. Es decir:

x = 56

Hay 56 venados en el grupo.

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Elena-2011 [213]

Answer:

$34.04

Step-by-step explanation:

The dimensions of a slab is 11 feet by 11 feet by 2 inches or 3.67 yards, 3.67 yards and 0.055 yards

We need to find the cost to pour a slab.

We know that the volume of a cuboid shape is given by :

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Put all the values,

V = 3.67 × 3.67 × 0.055

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Hence, the required cost is equal to $34.04.

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3 years ago
Solve for x.<br> -(5 – 8x)+4x = -89
denpristay [2]

Answer:

x = -7

General Formulas and Concepts:

<u>Pre-Algebra</u>

Order of Operations: BPEMDAS

  1. Brackets
  2. Parenthesis
  3. Exponents
  4. Multiplication
  5. Division
  6. Addition
  7. Subtraction
  • Left to Right

Equality Properties

Step-by-step explanation:

<u>Step 1: Define Equation</u>

-(5 - 8x) + 4x = -89

<u>Step 2: Solve for </u><em><u>x</u></em>

  1. Distribute negative:                    -5 + 8x + 4x = -89
  2. Combine like terms:                   -5 + 12x = -89
  3. Isolate <em>x</em> term:                             12x = -84
  4. Isolate <em>x</em>:                                      x = -7

<u>Step 3: Check</u>

<em>Plug in x into the original equation to verify it's a solution.</em>

  1. Substitute in <em>x</em>:                    -(5 - 8(-7)) + 4(-7) = -89
  2. Multiply:                               -(5 + 56) - 28 = -89
  3. Add:                                     -61 - 28 = -89
  4. Subtract:                              -89 = -89

Here we see that -89 does indeed equal -89.

∴ x = -7 is the solution to the equation.

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