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3 years ago

3. A ____ is sometimes a rectangle.

Mathematics

2 answers:

34kurt3 years ago

7 0

I think the answer is A parallelogram

:) I hope this helps :)

icang [17]3 years ago

3 0

Answer:

<h3>⇒ A. Parallelogram</h3>

Step-by-step explanation:

A parallelogram is sometimes a rectangle.

Parallelograms have four sides.
A square has four sides.
Rectangle have four sides.

<u>Therefore, the correct answer is "A. Parallelogram".</u>

I hope this helps. Let me know if you have any questions.

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Someone help please thank you

mojhsa [17]

Answer:

See below.

Step-by-step explanation:

So we have the two functions:

$f(x)=8x-5\text{ and } g(x)=9-2x$

And we want to find:

$(f\circ g)(x)\text{ and } (g\circ f)(x)$

Recall that:

$(f\circ g)(x)$

is the same as:

$=f(g(x))$

Thus, we can substitute g(x):

$=f(9-2x)$

And substitute that into f(x):

$f(x)=8x-5\\f(9-2x)=8(9-2x)-5$

Distribute:

$=72-16x-5$

Subtract and simplify:

$=67-16x\\=-16x+67$

Thus:

$(f\circ g)(x)=-16x+67$

Similarly:

$(g\circ f)(x)=g(f(x))$

Substitute f(x):

$g(f(x))=g(8x-5)$

Substitute:

$g(8x-5)=9-2(8x-5)$

Distribute:

$=9-16x+10$

Simplify:

$=-16x+19$

Therefore:

$(g\circ f)(x)=-16x+19$

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Answer:

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Answer:

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