If y varies directly as x, and y is 20 when x is 4, what is the constant of variation for this relation?
2 answers:
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if it has a diameter of 8, that means its radius is half that, or 4.
Answer:
Step-by-step explanation:
- In order to combine these two equations, an idea you need to keep in mind is finding a way of setting these equations as equal to each other. I saw that each equation shared a common value,
. In this case, we need to isolate
.
- With this, we now know that both
and
are equal to
- Reply to this if anything I'm saying or doing is confusing in any way, or if you find a mistake. :) Solve for
.
- Hopefully this answer is correct AND makes sense in terms of how I achieved it. Again, reply to this with any questions or mistakes I made and I'll do my best to answer or fix them.