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hodyreva [135]
3 years ago
12

Ayden had a goal of finishing painting at least 80%80\% 80% 80, percent of the 500500 500 500 square meters of a house's walls b

y today. He actually finished painting 415415 415 415 square meters today. Did Ayden meet his goal? Why?
Mathematics
1 answer:
ANEK [815]3 years ago
3 0

Answer:

<u>Yes</u>, Ayden meet his goal.

Step-by-step explanation:

Given:

Total square meters of house's wall Ayden had to paint = 500 square meters.

The percent of goal Ayden had for painting the wall = 80%.

The square meters of wall Ayden finished painting = 415 square meters.

Now, to find whether Ayden meet his goal.

So, to get the square meters of wall Ayden had the goal:

80\%\ of\ 500\\\\=\frac{80}{100}\times 500\\\\=0.80\times 500\\\\=400\ square\ meters.

<u><em>Thus, the goal Ayden had was to paint 400 square meters of wall.</em></u>

<u><em>And, he actually finished 415 square meters of wall.</em></u>

<u><em>So, the square meters of wall Ayden had finished painting is more than his goal to achieve.</em></u>

<u><em>Hence, Ayden meet his goal.</em></u>

Therefore, yes, Ayden meet his goal.

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so

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x2=13
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we need to find AD and BC and XY
we already know that BC=4 \sqrt{5} and XY=2 \sqrt{5}

AD distance
A=5,8
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x2=21
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so we have
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(b1+b2) times 1/2 times height
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X=(15,8)
Y=(13,4)
BC=4 \sqrt{5}
XY=2 \sqrt{5}
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