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3 years ago

The sum of two numbers is 25. Create an equation using two variables that represents this situation.

Mathematics

2 answers:

dmitriy555 [2]3 years ago

4 0

Answer:

x+y=25

Step-by-step explanation:

lyudmila [28]3 years ago

3 0

Answer:

it could be multiple things it depends what its really asking, id say X+11=25

Step-by-step explanation:

X+11=25

X=14

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Answer:

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2 years ago

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3 years ago

Please due in 20 min I’ll mark as brainliest or extra points please and no links pleaseee!!!

Oduvanchick [21]

Answer:

5y + 7

Step-by-step explanation:

Given:

Seeds planted in one garden = y vegetable seeds

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2 years ago

A. Use composition to prove whether or not the functions are inverses of each other. B. Express the domain of the compositions u

Kryger [21]

Given: $f(x) = \frac{1}{x-2}$

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A.)Consider

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$f(\frac{2x+1}{x} )=\frac{1}{(\frac{2x+1}{x})-2}$

$f(\frac{2x+1}{x} )=\frac{1}{\frac{2x+1-2x}{x}}$

$f(\frac{2x+1}{x} )=\frac{x}{1}$

$f(\frac{2x+1}{x} )=1$

Also,

$g(f(x))= g(\frac{1}{x-2} )$

$g(\frac{1}{x-2} )= \frac{2(\frac{1}{x-2}) +1 }{\frac{1}{x-2}}$

$g(\frac{1}{x-2} )= \frac{\frac{2+x-2}{x-2} }{\frac{1}{x-2}}$

$g(\frac{1}{x-2} )= \frac{x }{1}$

$g(\frac{1}{x-2} )= x$

Since, $f(g(x))=g(f(x))=x$

Therefore, both functions are inverses of each other.

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Since, the function $f(g(x))$ is not defined for $x=0$ .

Therefore, the domain is $(-\infty,0)\cup(0,\infty)$

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Since, the function $g(f(x))$ is not defined for $x=2$ .

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3 years ago

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Mariana [72]

The answer is 4. You take 2 and divide it by 0.5.

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3 years ago

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