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mariarad [96]
3 years ago
5

Evaluate 15/k when k =3

Mathematics
2 answers:
Svetradugi [14.3K]3 years ago
3 0

Answer:

5

Step-by-step explanation:

If k is three than 15÷3 is 5

Over [174]3 years ago
3 0

Hello!

When a variable equals a number, you substitute in that number wherever the variable is. So, in this case, since k = 3, substitute in 3 wherever k appears in the equation.

15 / k

15 / 3

Now, divide 15 by 3. To do this, ask yourself how many times 3 goes into 15. It would be 5, as 3 + 3 + 3 + 3 + 3 = 15. (So essentially 5 3's go into 15, so it equals 5)

15 / 3 = 5

Therefore, your answer is 5.

Hope this helps!

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Answer:

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Step-by-step explanation:

To solve for y we need to get Y on one side of the equation all by itself.  To start we can move the 8x to the side with the 35 by subtracting 8x on both sides which gets us to 5y=35-8x then we just need to get the 5 detached from the y and we will have solved for Y.  To do this we can divide by 5 on both sides to cancel out the 5 with the Y which leaves us with y=7-(8/5)x

I hope this helps and please don't hesitate to ask if there is anything still unclear!

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