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Brrunno [24]
2 years ago
14

Explain the similarities between these ratios

Mathematics
2 answers:
EastWind [94]2 years ago
8 0

3. times of 4

I don’t know if 5 is supposed to be 35/42 but if it’s 36/42 I don’t know

aksik [14]2 years ago
4 0
3. Múltiple of 4
I don’t know if 5 is supposed to be 35/42 but if it’s 36/42 I don’t know
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¿cuanto pesa cada uno de nuestros 3 personajes?
sergij07 [2.7K]

Resolviendo el sistema de ecuaciones veremos que:

  • niña = 23kg
  • niño = 28kg
  • perro = 18kg.

<h3>¿Como resolver el sistema de ecuaciones?</h3>

Aqui tenemos el sistema de ecuaciones:

Niña + niño = 51kg

Niño + perro = 46 kg

Niña + perro = 41kg

Para resolver esto, lo primero que debemos hacer es aislar una variable en una de las ecuaciones, por ejemplo, podriamos aislar "perro" en la tercera:

perro = 41kg - niña

Ahora reemplazamos eso en la segunda para obtener:

niño + (41kg - niña) = 46kg

niño - niña = 46kg - 41kg = 5kg

niño = niña + 5kg

Ahora logramos obtener la variable "niño" en terminos de la variable "niña". Podemos reemplazar esto en la primera ecuacion del sistema.

niña + niño = 51kg

niña + (niña + 5kg) = 51kg

2*niña = 51kg - 5kg = 46kg

niña = 46kg/2 = 23kg.

Ahora que sabemos esto, usamos las otras ecuaciones para encontrar el peso del niño y el perro:

niño = niña + 5kg = 23kg + 5kg = 28kg

perro = 41kg - niña = 41kg - 23kg = 18kg.

Sí quieres aprender más sobre sistemas de ecuaciones, puedes leer:

brainly.com/question/17174746

6 0
3 years ago
Simplify this expression
luda_lava [24]

7 and 21 can cancel leaving a 3 on the bottom. one m can cancel from the bottom and the top so that leaves you with m^3 n^4/3

4 0
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Help plzz i need help with this question and 9 more in an hourr
REY [17]

Answer:

y=-\cos x

Step-by-step explanation:

The given trigonometric graph is symmetric about the y-axis.

This means it is a cosine function.

The basic is symmetric about the y-axis and has a y-intercept of 1.

Its range is -1\le y\le1

Since the given graph  has y-intercept at -1 with the same range, it is the parent cosine function reflected in the x-axis.

Therefore its equation is y=-\cos x

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3 years ago
Geometry is so confusing to me, i don’t get how to figure out angles and measurements. I have read my instructors over and over
oksano4ka [1.4K]

Answer:

reference attached

Step-by-step explanation:

<h2><em><u>hope it helps you <3</u></em></h2>

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3 years ago
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