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3 years ago

I need help what is 50 x 4

Mathematics

2 answers:

REY [17]3 years ago

8 0

It’s 200. hope you do good on ur work or whatever ur working on lol have a good day

Vilka [71]3 years ago

4 0

Answer:

400 hope that helps very much

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A circular mirror is surrounded by a square metal frame. The radius of the mirror is 5x. The side length of the metal frame is 1

Aleks04 [339]

Answer:

$-25x^{2} (\pi -9)$

Step-by-step explanation:

The area of the metal frame is equal to the area of the square minus the area of the circle.

The area of the square is the side length squared:

$(15x)^{2}$

$=225x^{2}$

The area of the circle is $\pi r^{2}$ , with $r$ being the radius:

$\pi (5x)^{2}$

$=\pi *25x^{2}$

$=25\pi x^{2}$

Now find the area of the metal frame:

$225x^{2} -25\pi x^{2}$

$25x^{2} (9-\pi )$ Factor out the GCF, $25x^{2}$

$-25x^{2} (\pi -9)$ Factor out a $-1$

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