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AVprozaik [17]
3 years ago
7

3b+2(b-3)=4 Solve for b.

Mathematics
2 answers:
mel-nik [20]3 years ago
6 0

Answer:

b=2

Step-by-step explanation:

Isolate the variable by dividing each side by factors that don't contain the variable.

mihalych1998 [28]3 years ago
4 0

Answer:

b = 2

Step-by-step explanation:

3b + 2(b - 3) = 4

--distributive property-- 2(b - 3) = 2b - 6

3b + 2b - 6 = 4

(add like terms)

5b - 6 = 4

(add 6 to both sides)

5b = 10

(divide both sides by 5 to get b alone)

b = 2

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Delicious77 [7]

Using the combination formula, it is found that the number of ways to choose the presenters is given by:

C. 462.

The order in which the presents are chosen is not important, hence the <em>combination formula</em> is used to solve this question.

<h3>What is the combination formula?</h3>

C_{n,x} is the number of different combinations of x objects from a set of n elements, given by:

C_{n,x} = \frac{n!}{x!(n-x)!}

In this problem, 6 students are chosen from a set of 11, hence the number of ways is given by:

C_{11,6} = \frac{11!}{6!5!} = 462

More can be learned about the combination formula at brainly.com/question/25821700

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2 years ago
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3 years ago
The product of two numbers is 144 and their difference is 10. What is the sum of the two numbers
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Step-by-step explanation:

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