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MAXImum [283]
3 years ago
8

4/5+2/3 i need to know the answer so i would know whats the answer.

Mathematics
2 answers:
goldfiish [28.3K]3 years ago
6 0

Answer:

22/15 or 1 7/15

Step-by-step explanation:

FIrst you need to find the common denominator, and since 5 and 3 are relatively prime, that would be 15. if the denominator is 15, we multiply 4 by 3 and 2 by 5, so its (12+10)/15 which is equal to 22/15 which is your answer

lord [1]3 years ago
4 0
You need to find the LCD of both fractions 4/5 and 2/3 both fractions go into 15 you times 4 by 3 and 2 by 5 and add the numerators to get 22/15
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4 years ago
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4. Acertijo.
7nadin3 [17]

Las edades de cada uno de los integrantes del acertijo son:

  • Luisa = 3 años
  • Juan = 6 años
  • Carmen = 8 años

Cálculo por medio de ecuaciones.

Para identificar la edad de cada persona en el acertijo, se pueden crear ecuaciones con la información brindada, aunque, primero se deben asignar variables:

  • <em>L = Edad de Luisa</em>
  • <em>J = Edad de Juan</em>
  • <em>C = Edad de Carmen</em>

Teniendo estas variables se procede a crear las ecuaciones, la primera parte del ejercicio dice que "<em>Luisa es 3 años más joven que su hermano Juan</em>", entonces la ecuación podría ser:

  • 1. J = L + 3

La segunda parte dice que "<em>su hermana Carmen es 2 años mayor que Juan</em>", entonces:

  • 2. C = J + 2

Y la tercera parte menciona que "<em>Juan tiene el doble de edad que Luisa</em>", por lo tanto:

  • 3. J = 2L

Se realiza el método de reducción con la primera y la tercera ecuación, para calcular el valor de L:

  • 1. J = L + 3 (<em>Se multiplica por (-1) puesto que la variable que se busca reducir es J</em>)
  • 3. J = 2L

Entonces se calcula:

  • - J = - L - 3
  •  J = 2L

 

  • 0 = L - 3 (<em>El número 3 que está restando se pasa a sumar al otro lado de la igualdad</em>)
  • 3 = L
  • <u>L = 3</u>

Teniendo el valor de L, se calcula el valor de J con la tercera ecuación:

  • J = 2L
  • J = 2 * 3
  • <u>J = 6</u>

Y con el valor de J, se calcula el valor de C con la segunda ecuación:

  • C = J + 2
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De esta forma, se calcula que <u>las edades de Luisa, Juan y Carmen son: 3 años, 6 años y 8 años respectivamente</u>.

Más información:

brainly.com/question/1225667?referrer=searchResults

3 0
3 years ago
What’s the slope and y-intercept for 2y+5x-8=0
IrinaVladis [17]

Answer:

<u>Slope</u>- -5/2 <u>Y Int.</u>- 4

Step-by-step explanation:

You would first need rto put the equation in slope intercept form by subtracting -5x and adding 8 to both sides the you will divide two from each #. Then your equation will be in slope intercpt form which allows you identyify 4 as the y intercpt and -5/2x as the slope.

2y+5x-8=0

    -5x +8      -5x   + 8 = 2y=-5x+8

2y/2=-5x/2+8/2

y=-5/2x+4

5 0
3 years ago
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