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Elena-2011 [213]
3 years ago
15

Solve the multi-step equation by combining like terms and using inverse operations and the properties of equality.

Mathematics
2 answers:
Pie3 years ago
8 0

Answer:

its three aka C

Step-by-step explanation:

in edge 2021 its correct.

Aliun [14]3 years ago
7 0
Answer: 3
Explanation:

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How many different 5-person subcommittees can be formed from a club having 12 members
Wittaler [7]
Given that there are 12 persons, the first choice may be in 12 different ways, the second choice may be in 11 different ways, ther third in 10 different ways, the fourth in 9 different ways and the fith in 8 different ways, for a total of:

12x11x10x9x8 different combinations.

Now you have to take in account that 5x4x3x2 are repetitions. So you have to divide the previos counting by 5x4x3x2.

(12x11x10x9x8)/(5x4x3x2) = 792 different subcommittees.

Also, you can use the formula for combinations: C(m,n) = m! / (n! (m-n)!)

C (12, 5) = 12! / (5!) (12-5)! = [12x11x10x9x8x7!] / [5! 7!] = [12x11x10x9x8]/[5x4x3x2] = 792
3 0
3 years ago
What is the sas congruence theorem?
Firlakuza [10]

Answer:

The Side Angle Side postulate (often abbreviated as SAS) states that if two sides and the included angle of one triangle are congruent to two sides and the included angle of another triangle, then these two triangles are congruent.

Step-by-step explanation:

Hope this helps!!!

6 0
3 years ago
Find the standard deviation of the data set shown. Round your answer to the nearest tenth.
Degger [83]

Mark Brainliest Please

Answer:

Answer is gicen in the image attached.

Step-by-step explanation:

Standard deviation (SD) measured the volatility or variability across a set of data. It is the measure of the spread of numbers in a data set from its mean value and can be represented using the sigma symbol (σ). The following algorithmic calculation tool makes it easy to quickly discover the mean, variance & SD of a data set.

For more help check Khan academy video

https://www.khanacademy.org/math/statistics-probability/displaying-describing-data/sample-standard-deviation/v/sample-standard-deviation-and-bias

7 0
3 years ago
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The slope of the line is 5 
the slope is always in front of the x
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Which is an irrational number?<br><br> 0/3<br> 4.37124<br> 5.2<br> /42.25
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43.5 is the answer to the question
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3 years ago
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