2 years ago

J/4 - 1 = 1.7 solve for j

Mathematics

1 answer:

Andrew [12]2 years ago

3 0

Answer:

j=10.8

Step-by-step explanation:

First, you want to get rid of that 1, so to do that, you add 1 to each side, so you have j/4=2.7. Next, to get rid of the division, you need to multiply by 4 instead, so if you multiply each side by 4 to cancel out the division, you're left with j=10.8

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A textbook search committee is considering 13 books for possible adoption. The committee has decided to select 3 of the 13 for f

laiz [17]

Number of ways in which the 3 can be selected from 13 = 286

Step-by-step explanation:

Step 1:

Number of books considered by the textbook search committee = 13

Number of books selected from this 13 = 3

We need to determine number of ways in which the 3 can be selected from the 13

Step 2 :

The order of the 3 books selected does not matter. So,

Number of ways in which the 3 books can be selected from 13 books = C(13,3) = $\frac{13!}{10! . 3!}$