Help plz I so lost... I just started this today and idk what to do

Mathematics

2 answers:

lorasvet [3.4K]3 years ago

8 0

Answer:

Okay so first things first, since you just started this today I will give you the basics ;)

SO if you are asking a question that has not been asked, first you go to the button "Ask a question" and write your question in the column

its going to ask you to give points for the people that answer (it all depends on how many points you want to give or have to give to the answerer)

Then you pick a subject that the question goes under and voila you got your question.

Now if you find a answer that gives details about your question and you feel they deserve more than just a few points you click on the crown in the corner of their answer making them the Brainliest answer.

Okay to answer questions you go to the Brainly home page and find a question you can answer and click the button "Answer" then type your answer in the answering box and submit it, you receive points for answering questions.

A lot of people like to have profile pictures so if you want one you go to View profile and its going to ask you to change profile picture, you change the previous image by saving a saved document from your computer, iphone, tablet... ect.

Its important to only give answers to questions you can answer and only ask question that relate to the subject you put the question under otherwise you will be reported and your question removed.

Hope this helps you! ;)

SpyIntel [72]3 years ago

7 0

Answer:

like this answer and give it 5 stars.

Step-by-step explanation:

also press the "brainiest answer" button.

thanks :)

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Which best explain |-4|=4

Roman55 [17]

Answer:

your finding the absolute value, I I this means absolute value which means if its negative it automatically is its own number you get rid of the negative sign if it's positive just keep it because it's already in it's normal number.

For example: I -4 I = 4

For example: I -5 I = 5

For example: I 3/4 I = 3/4

For example: I 3 I = 3

For example: I 4 I = 4

5 0

3 years ago

A new game is being introduced at the Hard Rock Cafe. A ball is spun around a wheel until it comes to rest in one of many spots.

andriy [413]

Answer:

$ 1.96

Step-by-step explanation:

Number of spots with outcome of $1 = 9

Number of spots with outcome of $2 = 18

Number of spots with outcome of $10 = 1

Total number of spots = 28

Probability that ball will land on $1 = $\frac{9}{28}$

Probability that ball will land on $2 = $\frac{18}{28}$

Probability that ball will land on $10 = $\frac{1}{28}$

The amount that player should expect to win on average in equal to expected value of the game. Expected value is calculated as the summation of product of probabilities with their respective outcomes.

i.e. for this case:

Expected Value will be:

$(1 \times \frac{9}{28})+(2 \times \frac{18}{28})+(10 \times \frac{1}{28})\\\\ =1.96$