20% of what if 8

PLS i need this by today

40

Step-by-step explanation:

Suppose the unknown value is x.

20% "of" x "is" 8

"of" usually means multiply and "is" usually means equals, so:

20% * x = 8

20% = 20/100 = 0.2

0.2x = 8

x = 40

Thus, the answer is 40.

Hope this helps!

1. 3. can also be expressed as (22/7)

2. -4.5

3. 3.6

happy to

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guess at question:

a vertical line intersects the graph of g(x,y) = 0 at two points. what conclusion follows about the function f(x) implicitly defined by g(x,f(x)) = 0?

the domain of f(x) cannot include the x coordinate of any such vertical line.

informally, f(x) is not a function, and

g(x,y)=0 cannot be solved for y uniquely.

the relation r = {(x,y) such that g(x,y) = 0} is a function if

for all (a,b) ∊ r and (c,d) ∊ r, a=c implies b=d.

step-by-step explanation: