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astraxan [27]
2 years ago
13

The number 321.8 is 34% of x. What is the value of x rounded to the nearest whole number?

Mathematics
2 answers:
Anni [7]2 years ago
7 0

Answer:

946

Step-by-step explanation:

Let's make an equation :

34% of x = 321.8

Covert 34% into decimal by dividing by 100 :

34 ÷ 100 = 0.34

Rewrite equation with decimal form :

0.34x = 321.8

Divide both sides by x to make x the subject :

x = 321.8 ÷0.34

x = 946.470588235

To the nearest whole number will be 946 as 4 rounds it down

So our final answer will be 946

Hope this helped and have a good day

JulsSmile [24]2 years ago
3 0

{\qquad\qquad\huge\underline{{\sf Answer}}}

Here we go ~

\qquad \sf  \dashrightarrow \:  \dfrac{34}{100}  \sdot  x = 321.8

\qquad \sf  \dashrightarrow \: x =  \cfrac{(321.8) \sdot(100)}{34}

\qquad \sf  \dashrightarrow \: x = 946.47

Round off to nearest whole number :

\qquad \sf  \dashrightarrow \: x = 946

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Problem is in the attached picture. Thanks in advance!
bogdanovich [222]

Answer:

Width= 120 ft

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Step-by-step explanation:

W= width and (3w-75)= length since it's 75 less than 3 times the width

w+w+(3w-75)+(3w-75)=810

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8w=960

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So the width is 120 ft

Then substitute the 120 in for w in the length

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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:

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Si tomamos el cociente entre las ecuaciones:

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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:

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planteando la ecuación como antes:

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Asi, hemos encontrado los grados correspondientes para cada porcentaje.

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Step-by-step explanation:

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