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3 years ago

To find probability, divide the number of __________ by the number of trials

Mathematics

2 answers:

nirvana33 [79]3 years ago

5 0

Answer:

outcome

Step-by-step explanation:

i took the test and i got this anser to the question

seropon [69]3 years ago

4 0

Answer:

To find probability, divide the number of times an event happens by the number of trials.

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Mason is one of 320 players participating in an online tournament. After each round of play, half of the players are eliminated.

mylen [45]

20 players after 4th round
The first round start with 40 players.But since after each round half are eliminated then it will be 20 after the 4th round

6 0

3 years ago

What is the inverse of

Paladinen [302]

Answer:

$A^{-1} = \frac{1}{66} \left[\begin{array}{cc}-2&-5\\6&-18\end{array}\right]$

Step-by-step explanation:

Given

$A = \left[\begin{array}{cc}-18&5\\-6&-2\end{array}\right]$

Required

Determine the inverse

A matric is of the form:

$A = \left[\begin{array}{cc}a&b\\c&d\end{array}\right]$

First, we need to calculate the determinant (D)

$D = a * d - b * c$

By comparison, we have:

$D = (-18 * -2) - (5 * -6)$

$D = (36) - (-30)$

$D = 36 +30$

$D = 66$

The inverse is then represented as:

$A^{-1} = \frac{1}{D} \left[\begin{array}{cc}d&-b\\-c&a\end{array}\right]$

This gives:

$A^{-1} = \frac{1}{66} \left[\begin{array}{cc}-2&-5\\6&-18\end{array}\right]$

4 0

2 years ago

6b 4r represents the total cost of the rice and beans Gabriel bought. If he returns 2 bags of beans and 1 bag of rice, the expre

Julli [10]

The total cost of rice and beans bought by Gabriel is 6b + 4r.

The simplified expression of the final cost is 4b + 3r.

<h3>What is simplification?</h3>

Simplification can be defined as a process of replacing a mathematical expression by the cancellation of common factors, regrouping of terms in the same variable to get the more simple form of the given expression.

Given that

6b + 4r represents the total cost of the rice and beans Gabriel bought.

He returns 2 bags of beans and 1 bag of rice.

This can be written as,

$\rm 2b+1r$