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pychu [463]
2 years ago
7

A circle has a diameter of 41 centimeters. Which equation can be used to find the radius of this circle? r=41π r=2(41) r=412 r=4

1π
20 POINTS will mark brainlyest
Mathematics
2 answers:
irinina [24]2 years ago
8 0

Answer:

r=41/2

Step-by-step explanation:

You have to divide the diameter,  41, by 2 because the radius of the circle is half of the diameter. So, the answer would be 20.5

TEA [102]2 years ago
4 0

Answer:

Step-by-step explanation:

                                                                41 cm

Recall that d = 2r.  Here, r = d/2, or r = -------------

                                                                     2

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Which of the following is the discriminant of the polynomial below x^2+4x+5
steposvetlana [31]

Answer:

\huge\boxed{\sf Discriminant = -4}

Step-by-step explanation:

Comparing it with quadratic equation ax^2 + bx + c = 0, we get:

a = 1 . b = 4 and c = 5

So,

Discriminant = b^2-4ac

D = (4)²-4(1)(5)

D = 16 - 20

D = -4

Hence,

Discriminant = -4

\rule[225]{225}{2}

Hope this helped!

<h3 /><h3>~AH1807</h3>
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2 years ago
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larisa [96]

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Step-by-step explanation:

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8 0
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Answer:

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Step-by-step explanation:

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