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Genrish500 [490]
2 years ago
5

A middle school held a Career Exploration Day where students could choose to hear an adult talk about his or her career. 15 stud

ents went to hear the doctor speak, and 21 students went to other sessions.
What is the probability that a randomly selected student went to hear the doctor?
Mathematics
1 answer:
mash [69]2 years ago
7 0

Answer:

5/12

Step-by-step explanation:

15 students went to hear the doctor speak and 21 students went to other sessions

How many students are there? 15 + 21 = 36 students

Therefore, the probability to randomly select a student that went to hear the doctor is \frac{15}{36}, then simplifying it by 3 is \frac{5}{12}.

If we want to express it in percentage it would be 41.6%

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Lady_Fox [76]
Simplifying <span>4y + -70 = 12y + 2
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Add -12y to each side of the equation. -70 + 4y + -12y = 2 + 12y + -12y 

<span>Add 70 to each side of the equation. -70 + 70 + -8y = 2 + 70
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Divide each side by -8.
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3 years ago
Hey can you please help me posted pictureof question
pishuonlain [190]
There are two 5's because the 5 section takes up the amount of 2 sections.

There is a total of 8 sections because sections 2 and 5 take up the amount of 2 sections

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8 0
3 years ago
Change the width 20/16 inches to a mixed numeral in simplest form.
Iteru [2.4K]

Answer:1 and 1/4


Step-by-step explanation:

Okay, let's see the given: 20/16

So, we can take out 16 from the top to make it 1  4/16

Now, we can simplify that by dividing the top and bottom by 2: 1  2/8

We can simplify that again to get 1 1/4

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5 0
3 years ago
-What could be concluded if the relative frequency of an event is equal to 0?
Sliva [168]

Answer: If the frequency is 0, it does not repeat.

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3 0
2 years ago
Dina has a mass of 50 kilograms and is waiting at the top of a ski slope that’s 5.0 meters high. What is her potential energy
Bess [88]

Answer:

C

Step-by-step explanation:

Formula for potential energy is PE = m*g*h

where

m is the mass, in kg

g is the acceleration due to gravity, in meters per second squared, and

h is the height, in meters

The problem gives m = 50, g = 9.8, and h = 5. We plug that into the formula and get out answer. So:

PE=mgh\\PE=(50)(9.8)(5)\\PE=2450

Correct answer is C.

3 0
4 years ago
Read 2 more answers
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