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antoniya [11.8K]
3 years ago
10

HELP PLS IM IN CLASS RN!!!

Mathematics
1 answer:
Leona [35]3 years ago
6 0

Answer:

48 inches

Step-by-step explanation:

Dagne can jump 13.2 inches that is 27.5% of her height. Let x inches be Dagne's height.

Then

x inches - 100%

13.2 inches - 27.5%

Write a proportion:

\dfrac{x}{13.2}=\dfrac{100}{27.5}

Cross multiply:

27.5x=13.2\cdot 100\\ \\27.5x=1,320\\ \\x=\dfrac{1,320}{27.5}\\ \\x=48\ inches

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Mandarinka [93]

Answer:

$ \textbf{P} \textbf{(Sophomore}\hspace{1mm} | \hspace{1mm} \textbf{Boy)} \hspace{1mm}\textbf{=} \hspace{1mm} \frac{\textbf{5}}{\textbf{12}} $      $

Step-by-step explanation:

We are asked to find the probability of picking a Sophomore who is a boy.

There are 5 Sophomores who are boys out of total boys.

$ \textbf{P(A} | \textbf{B)} \hspace{1mm} \textbf{=} \hspace{1mm} \frac{\textbf{P(A and B)}}{\textbf{P(B)}}  $

$ \implies P(Sophomore | Boy) = \frac{P(Sophomore \& Boy)}{P(Boys)} $

$ = \frac{5}{12} $

Hence, the answer.

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