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Neporo4naja [7]
3 years ago
15

Please answer for area <3 thank you! (:​

Mathematics
2 answers:
tangare [24]3 years ago
8 0

Step-by-step explanation:

1/2 x( 18 x X+4)

That simplified would be like 9 x ((x/2)+2)

Or I'm just over thinking and it's the 1st thing I said ""-w-

Arada [10]3 years ago
5 0

Answer:

9x+36

Step-by-step explanation:

With the given equation Area=1/2(Base*Height), all you need to do here is plug in base and height. The height here can be either side, since you're finding the area of a right triangle, but let's use 18 as the height. If 18 is the height, then x+4 is the length.

Plugging these into the equation gives us:

Area=1/2(18(x+4)

Area=9(x+4)

Area=9x+36

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The combined area of a square and a rectangle is 225 square yards. the length of the rectangle is 8 times the width of the recta
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Answer:

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Step-by-step explanation:

<u>Let L and W be the length and width of the rectangle. </u>

<u>Let l and w be the length and width of the square.</u>

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Since the sides of a square are all equal, w is also W:  <u>w=W</u>

Summarizing and substituting:

L*W + l*w = 225 yards^2

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9W^2  = 225 yards^2

W^2 = 25

W = 5 feet

---------------------

Therefore, since L = 8W <u>,</u> <u>L = 40 yards.   W = 5 yards</u> for the rectangle.

The square:  l=W, so <u>l = 5 yards, and thus w=5 yards</u>

--------------------------

Check:

Do a rectangle of 40' x 5' plus a square of 5' x 5' have a total combined area of 225 yards^2?

40yd x 5yd + 5yd x 5yd = 225 yards^2?

200 yd^2 + 25 yd^2 = 225 yards^2?

YES

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