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alexira [117]
3 years ago
6

3a-14=18-a solve problem step by step

Mathematics
1 answer:
tester [92]3 years ago
7 0

Hope this helps. <3 (sorry if it’s a little blurry)

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which statement best explains why the sum of the areas of the two white squares in figure 2 is the same as the area of why squar
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Answer:

"In each figure the total area is equal and the area of the 4 triangles is equal, so the remaining white area in each figure must also be equal."

Step-by-step explanation:

Both figures make up congruent squares, and they are made up of 4 congruent triangles, so the white area in between must be equal between the two figures

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3 years ago
What is the length and width of a room that is 60 square meters and has a perimeter of 32 meters
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L = lenght
W = width

L * W = 60 \\&#10;2L + 2W=32\\\\&#10;L = \frac{32-2W}{2}\\&#10;\frac{32-2W}{2}*W = 60\\&#10;(16-W)*W = 60\\&#10;-W^{2} + 16W -60 = 0\\\\&#10;&#10;d = 16^{2} - 4*1*60 =  256 - 240 = 16 \\\\&#10;W1 = \frac{-16+\sqrt{16}}{-2} =  \frac{-12}{-2} = 6\\&#10;W2 = \frac{-16-\sqrt{16}}{-2} =  \frac{-20}{-2} = 10\\&#10;&#10;L1 = 10\\&#10;L2 = 6\\&#10;

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{L,W} = {6,10} or {10,6}

but L > W  so

L = 10
W = 6
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3 years ago
Find x: 2(4x − 3) − 8 = 4 + 2x
MariettaO [177]
X = 3

2(4x - 3) - 8 = 4 + 2x

1. Distribute

8x - 6 - 8 = 4 + 2x

2. Collect like terms

8x - 14 = 4 + 2x

3. Collect like terms again (add 14 and subtract 2x)

6x = 18

4. Divide by 6

x = 3
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