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ryzh [129]
3 years ago
12

Please help 10 points ​

Mathematics
2 answers:
m_a_m_a [10]3 years ago
5 0

Answer:

Step-by-step explanation:

A=πr2

= (3.14)(27)2

= 2289.06

aliina [53]3 years ago
3 0

Answer:

Radius or r = \frac{diameter}{2} = \frac{27}{2} = 13.5 m

Area of the circle = π r²

                              = 3.14 x 13.5²

                              = 3.14 x 182.25

                              = 572.265 m²

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The sum of two angles is 180 degrees. Their difference is 70
navik [9.2K]

Step-by-step explanation:

x+y=180

x=180-y------(i)

x-y=70------(ii)

Now,

Putting the value of x in equation (ii)

x-y=70

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180+2y=70

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2y= - 110

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Again,

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3 years ago
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kupik [55]

Answer:

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Step-by-step explanation:

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Answer:

A)

Step-by-step explanation:

1) To answer this question, we must remember what this discriminant stands for:

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The discriminant is a radicand.

3) The graph above shows us no Real roots for this equation then we have roots ∈ Complex Numbers, in other words:

4) So, it's A.

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Pls help thank you!!
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