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3 years ago

How do u estimate a probability?

Mathematics

1 answer:

Setler [38]3 years ago

7 0

Answer:

yeah guys i also want to know that questian

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Xyz are in 3:3:6.what are the measures of the angles

Anni [7]

Answer:

Set up an equation equal to 180o

Explanation:

3x+3x+6x=180

12x=180

x=18012=15

So, the measure of the angles are:

3x=3×15=45
3x=3×15=45
6x=6×15=90

6 0

3 years ago

In rectangle PQRS, SQ = 78, PS = 30, and mPRS = 23°. Find SR.

kondor19780726 [428]

$\cos (23)=\frac{sr}{78}\rightarrow78\cdot\cos (23)=SR=67.20$

7 0

1 year ago

You're playing a game when you defend your village from an orc invasion there are three characters elf hobbit or human and five

34kurt

The probability that you'll be a magic elf is $\frac{1}{15}$ or 6.66%.

Step-by-step explanation:

Step 1:

Let A be the event of you choosing an elf.

The probability of an event is given by dividing the number of favorable outcomes by the total number of outcomes.

Here the number of favorable outcomes is 1 and the total number of outcomes is 3 i.e. elf, hobbit or human.

The probability of choosing an elf, $P(A) = \frac{1}{3} .$

Step 2:

Let B be the event of you choosing magic as your defense.

In this situation, the number of favorable outcomes is 1 and the total number of outcomes is 5 i.e. magic, sword, shield, slingshot, or umbrella.

The probability of choosing magic as your defense, $P(B) = \frac{1}{5} .$

Step 3:

The probability of both events A and B happening, we multiply the individual probabilities.

$P(getting a magic elf) = (P(A))(P(B)) = (\frac{1}{3} )(\frac{1}{5} ) = \frac{1}{15} = 6.66\%.$

8 0

3 years ago

Pls help if you only know the correct answer! Thanks! :)

LiRa [457]

Answer:

A. -3/5 B. 1/5. C. 0.8.

Step-by-step explanation:

Since A is on the left side of 0, it will be negative, in which -3/5 is the only negative answer on there, so A= -3/5. Since B is on the right side of the 0 it's positive, and it is equal to 1/5 which gets you to 0.20, which will be the value of each line since 1 divided by 5 is equal to 0.20. 0.8 is also known as 0.80 so C will be next to the 1.

3 0

2 years ago

If a=7 and b+c=67, find a²+ab+ac

Stels [109]

Hope this will help..........

6 0

2 years ago

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How do u estimate a probability?​

How do u estimate a probability?