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2 years ago

9

About two twenty-fifths of the male population in the world cannot distinguish red from green. If there are fourteen boys in the

ninth grade that cannot distinguish red from green, about how many ninth-grade boys are there in all?

1 answer:

solniwko [45]2 years ago

6 0

About 175 ninth grade boys. 2/25 is equal to 0.08. if we take the 14 students and divide it by 0.08, we can get the total of 175 ninth grade boys.

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vfiekz [6]

Answer:

5/21

Step-by-step explanation:

5/3/7=?

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so 5/21 is your answer

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2 years ago

Write an appropriate inverse variation equation if y = 9 when x = 3.

pav-90 [236]

$\bf \qquad \qquad \textit{direct proportional variation}\\\\
\textit{\underline{y} varies directly with \underline{x}}\qquad \qquad y=kx\impliedby 
\begin{array}{llll}
k=constant\ of\\
\qquad variation
\end{array}\\\\
-------------------------------\\\\
\begin{cases}
y=9\\
x=3
\end{cases}\implies 9=k3\implies \cfrac{9}{3}=k\implies \boxed{3=k}
\\\\\\
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3 years ago

gavmur [86]

Answer:

( J - 6 ) × (J + 6 )

Step-by-step explanation:

j^2 -6^2

( J - 6 ) × ( j + 6 )

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3 years ago

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Ne4ueva [31]

I believe 20 is your answer. Tell me if I’m wrong.

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2 years ago

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Dmitry [639]

Answer:

11/7 is the lowest the fraction can be reduced.

Step-by-step explanation:

Since the numerator and denominator don't have a common factor that they can be divided by, the fraction is already simplified.

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3 years ago

Read 2 more answers