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2 answers:
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Answer:
29C3 = 3654
Step-by-step explanation:
What is applied here is combination that n - combination of r which is a subscript and the n - is a superscript.
- nCr = nPr/r!
- where nPr = n!/(n-r)!
- nCr = n!/(n-r)! r!
- And we are told to find 29C3, apply the formula and your results will be out.
Attached is the detailed explanation.
Answer:
Step-by-step explanation:
The standard equation of direct variation is
y = kx
where k = constant of variation
We start with
y = kx
Since we are give one ordered pair, we use its coordinates for x and y, and we solve for k. We are told that when x = 14 ounces, y = $7.
7 = k * 14
k = 7/14
k = 1/2
Now that we know k = 1/2, we can write the direct variation equation: