The sum of three numbers is 110. the second number is twice the first. the third number is equal to three times the first minus the one half the first

Let the first number = X

The second number is twice the first, so is 2X

The third number would be 3X-0.5x = 2.5X

Now you have X + 2X + 2.5X = 110

Simplify:

5.5X = 110

Divide both sides by 5.5:

X = 110 / 5.5

X = 20

The first number is 20.

The second number is 2x = 2*20 = 40.

The third number = 2.5x = 2.5*20 = 50.

42%

step-by-step explanation:

we know,

total people = 60

total males = 25

percentage of males

= 25/60 × 100

= 25/6 × 10

= 25/3 × 5

= 125 / 3

= 41.

rounding of = 42%

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: