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faltersainse [42]
3 years ago
9

Please answer ! :D 15 points

Mathematics
2 answers:
Nitella [24]3 years ago
4 0
1 and 3 would be the answer
Umnica [9.8K]3 years ago
3 0

Answer:

1 and 3

Step-by-step explanation:

The angles opposite each other when two lines cross. They are always equal.  "Vertical" refers to the vertex (where they cross), NOT up/down.

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The third one is the answer for this question
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<em>△DEF ~ △GHI</em>

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More on Areas. Farmer Jones, and his wife, Dr. Jones, both mathematicians, decide to build a fence in their field to keep the sh
Olin [163]

Answer:

Area covered by the fences will be 16.1 unit²

Step-by-step explanation:

Let the first parabola is represented by the function f(x) = 6x²

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point of intersection of the graphs will be determined when f(x) = g(x)

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x = ± 1.34

Now we will find the area between these curves drawn on the graph.

Area = \int_{-1.34}^{1.34}[f(x)-g(x)]dx=\int_{-1.34}^{1.34}[6x^{2}-(x^{2}+9)]dx

= \int_{-1.34}^{1.34}(5x^{2}-9)dx

= [\frac{5}{3}x^{3}-9x]_{-1.34}^{1.34}

= [\frac{5}{3}(-1.34)^{3}-9(-1.34)-\frac{5}{3}(1.34)^{3}+9(1.34)]

= [-4.01+12.06-4.01+12.06]

= 16.1 unit²

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