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lana66690 [7]
3 years ago
10

Marion flipped a coin three times. What is the probability that exactly two heads appeared?

Mathematics
1 answer:
Readme [11.4K]3 years ago
7 0
Probability of getting heads: 1/2 

Probability to get 2 heads out of three tries is: 1/8
Work: 1/2 x 1/2 x 1/2 = 1/8
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In a school there are 542 girls and boys. how many pupils are there in that school?
DaniilM [7]

Answer:

There are 1084 pupils in that school.

Step-by-step explanation:

If there are 542 girls and boys then you would have to double 542 to get the total number of people. So, there are 1084 people in that school.

Hope this helps!

6 0
2 years ago
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The graph shows the functions f(x), p(x), and g(x):
kondaur [170]
Part can’t get what ya want sooo idk what to tell u sorry not sorry
4 0
3 years ago
Will give brainliest
MariettaO [177]

Answer:

7.1

Step-by-step explanation:

If you count how many units are between the library and the park, it is seven units.

6 0
2 years ago
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Consider the equation 8x + 5 = 37. Write a real-life scenario that this equation could model.8x+5-5=37-5 8x=32 8x/8=32/8 x=4
laila [671]

Answer: See the full explanation.

Step-by-step explanation:

You can actually do this using various life scenario. Let me help you with this example.

Suppose that one person is called Mike and he needs to buy something, here is your scenario for Mike to get what he want:

Mike wants to buy a pair of shoes that worth 37$ for a soccer game next week. He only has 5$ in his wallet. In order to get the remaining money, he decides to work in a market for a day. If the market pay 8$ per hour, how many hours does Mike need to have enough money to buy the shoes?.

This is the real life scenario. The equation is as above, because you can call "x" the number of hours needed, so as you solve the equation, you'll realize that the number of hours needed is 4:

8x + 5 = 37

8x = 37 - 5

8x = 32

x = 32/8 = 4 hours needed.

3 0
3 years ago
Solve the missing variable. Show your process please because I did the other three on my homework sheet but I really struggle wi
kotykmax [81]

Follow these steps:

-8.4b - 4.2 = 12.6

Add 4.2 on both sides:

-8.4b = 16.8

Divide by -8.4 on both sides to give you the final answer of:

b = -2

So you're answer is indeed correct! Hope this helps and that the steps are clear enough!

5 0
2 years ago
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