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Marina CMI [18]

3 years ago

12

Each letter from the word " MASSACHUSSETT " is written on a separate piece of paper and put in a bag. What is the probability of

selecting the letter S, as a fraction in lowest terms ? * 1 out of 2 4 out of 11 4 out of 13 1 out of 3

1 answer:

vredina [299]3 years ago

6 0

Free points sorry doing this

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how do you solve a system of equations approximately given tables without using equations or graphing?

solong [7]

system of equations means that we have a given number of equations with the same solutions.

If you only have tables, this means that you need to have one table for each equation:

For example, if you are working only with two variables, x and y, in those tables you can see the pints (x, y) that belong to each equation.

Now, a point (x, y) will be a solution of the system of equations only if it belongs to the data table for each equation

This would mean that if you graph those data sets, the graphs will intersect at the point (x, y) that belongs to all the tables of data.

another way may be using the data in the tables to construct the equations, but you said that you only want to use the tables, so this method can be discarded.

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3 years ago

A disc jockey wants to select 4 songs from a new cd that contains 12 songs. How many ways can the disc jockey choose four songs?

WARRIOR [948]

I suppose a DJ wants to select 4 different songs, then there are: 12*11*10*9 = 11880 ways to choose them.

If the order of the songs he plays doesn't matter, there are: $\frac{12 * 11 * 10 *9 }{4!} = 495$ ways to choose them.

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3 years ago

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Billy is 3 feet 6 inches tall. Billy’s stuffed bear is 14 inches tall. What is the ratio of Billy’s height to the height of his

shusha [124]

Answer:

42:14

Step-by-step explanation:

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Question 7 of 10

Ipatiy [6.2K]

Answer:

A (point) is the answer to the question.

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3 years ago

Solve 3x + 23 + x = 7. x = −4 x = 4 x = −0.25 x = 0.25

Maksim231197 [3]

<h2>______________________________</h2><h2>Solve for x | Solution and Explanation </h2>

______________________________________________

Hello! So...

We are given the following:

Solve for x.

$3x+23+x=7$

====================

1. Group the like terms.

$3x+x+23=7$

====================

2. Add similar elements ( $3x+x=4x$ ).

$4x+23=7$

====================

3. Subtract 23 from both sides.

$4x + 23 - 23 = 7 - 23$

====================

4. Simplify.

$4x=-16$

====================

5. Divide both sides by 4.

$\frac{4x}{4} =\frac{-16}{4}$

====================

6. Simplify.

$x=-4$ (aka. Option A)

====================

Hope this helps!

3 0

1 year ago