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Elena L [17]
3 years ago
8

What value of r makes the equation true?

Mathematics
1 answer:
Svet_ta [14]3 years ago
7 0
R would have to be equal to 0.08 in order for it to be true. 
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The distributive property to factor out the greatest common<br> 24; - 16 =<br><br> Please help...
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8

Step-by-step explanation:

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3 years ago
Which of these numbers is irrational?
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<span>Which of these numbers is irrational?
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What is (-7)^5 in expanded form?
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2 years ago
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svlad2 [7]

Answer:

Lo primero que debemos saber, es que la gráfica de pastel nos permite dividir a una población, la cual sería el 100%, en porcentajes menores que representan algo.

En este caso tenemos los porcentajes 20%, 50%, 10%  (notar que no suman 100%, entonces nos falta algún porcentaje)

Bueno, como sabemos el gráfico (el cual es un círculo) representa el 100%.

Y en un círculo, tenemos un ángulo de 360°

Entonces comenzamos con la equivalencia:

360° = 100%

Entonces, ¿a que grado corresponde el 50%? Planteamos la ecuación:

x = 50%

Si tomamos el cociente entre las ecuaciones:

x = 50% y  360° = 100%

obtenemos:

x/360° = 50%/100%

resolviendo para x, obtenemos:

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Para los otros porcentajes hacemos lo mismo.

Para el de 20% tenemos:

y = 20%

planteamos la ecuación:

y/360° = 20%/100%

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Finalmente, para el de 10% tendremos:

z = 10%

planteando la ecuación como antes:

z/360° = 10%/100%

z = 0.1*360 = 36°

Asi, hemos encontrado los grados correspondientes para cada porcentaje.

8 0
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MatroZZZ [7]

Answer:

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