3 / (4/9)
First, let's multiply the top and bottom by 9 to get rid of the fraction in the denominator.
27 / 4 is the final answer.
The number of ways that the company can choose four workers is 40920 ways.
<h3>How to calculate the number?</h3>
From the information, the building company employs 3 laborers 12 joiners 8 electrician 4 plumbers. The total number of workers will be:
= 3 + 12 + 8 + 4
= 27 workers
It should be noted that combination will be used to choose the 4 workers. This is illustrated as
Combination formula
ⁿCr = n! / ((n – r)! r!)
n = the number of items.
r = how many items are taken at a time.
where n = 33
r = 4
ⁿCr = n! / ((n – r)! r!)
³³C₄ = 33! / (33 - 4)! 4!
= 33! / 29! 4!
= 33 × 32 × 31 × 30 / 4 × 3 × 2
= 40920 ways
Learn more about combinations on:
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Answer:
See explanation
Step-by-step explanation:
Assuming the given equation is
To solve for r, we first divide both sides by a.
We now subtract 5 from both sides:
We now divide through by - 1 to get:
Or
Answer:
x = 1
Step-by-step explanation:
18x + 5 = 23
18x = 23 - 5
18x = 18
x = 1
Therefore, x = 1 is the solution of the given expression.
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