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Ivahew [28]
3 years ago
7

7(2x+3)=3(4x+6)+2x+3​

Mathematics
1 answer:
makvit [3.9K]3 years ago
5 0

Answer:

7(2x + 3) = 3(4x + 6) + 2x + 3 \\ 14x + 21 = 12x + 18 + 2x + 3 \\ 14x - 14x = 21 - 21 \\ 0 = 0

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answer is D i just took the test and i got it right

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2 years ago
In Bayes Theorem, you have some starting information, then you collect some new information so that you can _______ the original
sp2606 [1]

In Bayes Theorem, apart from the already starting information, some new information so that you can update or transform the original probabilities so you now have better information.

What is Bayes Theorem?

The Bayes' theorem was named after Thomas Bayes and it is used in probability theory and statistics as one of the fundamental theorems. It estimates the likelihood of an event based on knowledge of circumstances that might be connected to it in the past.

The Formula for Bayes' Theorem

The Bayes' theorem is given as,

P(A|B) = P(A).P(B|A) / P(B)

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P(B|A) is probability for likelihood of B when A is true

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Learn more about Bayes' theorem here:

brainly.com/question/17010130

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5 0
2 years ago
*EXTRA POINTS -- 8TH GRADE MATH* <br> pls answer each one :)
Anastaziya [24]

What do the two variables in this system represent?

the two variables represent the number of hot dogs or soft drinks you will get.

Write a system of equations to represent the model.

let s = soft drinks and let h = hot dogs

3s+2h=7.70

2s+h=4.55

What is the cost of 1 soft drink? <u>$1.4</u>

What is the cost of 1 hot dog? <u>$1.75</u>

Solving for the above two questions

<u>solve the second eqaution for h:</u>

2s+h=4.55

subtract 2s

h=4.55-2s

<u>substitute this into the first equation:</u>

3s+2(4.55-2s)=7.70

distribute the 2

3s+9.1-4s=7.70

add like terms

-s+9.1=7.70

subtract 9.1

-s=-1.4

divide by -1

s=1.4

<u>substitute into the equation for h:</u>

h=4.55-2s

h=4.55-2(1.4)

h=4.55-2.8

h=1.75

3 0
3 years ago
Y=-6x-2, y=-6x-2 how many solutions are in it
GuDViN [60]

Answer:

Infinite

Step-by-step explanation:

I hope this helps, if it doesn't then just message me and ill be more than happy to help :)

8 0
2 years ago
What is 9/18 simplified
lord [1]
1/2 9 goes into 18, 2 and 9 goes into 9 once. 
8 0
3 years ago
Read 2 more answers
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