Unsure of what you're asking.
If you have an algebraic expression in front of you and see a number there, you could label it as "known" or "a known quantity." Another word that comes to mind is "constant."
Answer:
21 + 3x
Step-by-step explanation:
hope this helps
Answer:
60
Step-by-step explanation:
We can write a proportion to solve
5 made x made
------------ = -----------
3 missed 36 missed
Using cross products
5 * 36 = 3x
Divide each side by 3
5 * 36/3 = 3x/3
50 = x
She made 60
<h3>
Answer:</h3>
48 1/8
<h3>
Step-by-step explanation:</h3>
As written, it is evaluated as ...
... 47 + 9/8 . . . . . . . . parentheses are evaluated first
... = 47 + 1 1/8 . . . . . . then division
... = 48 1/8 . . . . . . . . then addition
_____
A decent calculator will evaluate this for you according to the order of operations. A Google or Bing search box will do that, too.
R = n/3 (b + k)
3r = n(b + k)
b + k = 3r/n
k = 3r/n - b