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nika2105 [10]
3 years ago
15

I need help with this one pls

Mathematics
2 answers:
amm18123 years ago
5 0

Answer:

10 square units

Step-by-step explanation:

If you count row by row, there is 2, then 3, then 5. Adding them makes for 10.

Annette [7]3 years ago
3 0
It’s 10 you need to count woman
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Evaluate the function at the indicated values if possible. If an indicated value is not in the​ domain, say so.
goldfiish [28.3K]

Answer:

f(-7)=0.

f(2)=-9/5.

f(3) doesn't exist because 3 isn't in the domain of the function.

Step-by-step explanation:

f(x)=\frac{x+7}{x^2-9} is the given function.

We are asked to find:

f(-7)

f(2)

f(3).

f(-7) means to replace x in the expression called f with -7:

Evaluate \frac{x+7}{x^2-9} at x=-7

\frac{(-7)+7}{(-7)^2-9}

\frac{0}{49-9}

\frac{0}{40}

0

So f(-7)=0.

f(2) means to replace x in the expression called f with 2:

Evaluate \frac{x+7}{x^2-9} at x=2

\frac{2+7}{2^2-9}

\frac{9}{4-9}

\frac{9}{-5}

\frac{-9}{5}

So f(2)=-9/5

f(3) means to replace x in the expression called f with 3:

Evaluate \frac{x+7}{x^2-9} at x=3

\frac{3+7}{3^2-9}

\frac{10}{9-9}

\frac{10}{0}

Division by 0 is not allowed so 3 is not in the domain of our function.

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3 years ago
I need to solve for x
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♠Answer♠

Now , X = √( 40² + 9² )

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<span> Add x to both lenght and width and you get 25+x and 10+x. Set up equation with new area </span>
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Thank you for posting your question here at brainly. I hope the answer will help you. Feel free to ask more questions.

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