2 years ago

Answers Appreciated! Thanks if you help!

Mathematics

1 answer:

Kipish [7]2 years ago

8 0

Answer:6.28

Step-by-step explanation:

C=pi*diameter

C=3.14*2

C=6.28

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statuscvo [17]

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I am Lyosha [343]

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Step-by-step explanation:

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Vsevolod [243]

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3 years ago

What value of B makes the expression. x² + Bx + 81 a perfect square trinomial?

Oxana [17]

Answer:

B.) 18

Step-by-step explanation:

To find the correct b value we use this formula

b² - 4ac = 0

b = What we are solving for

a = 1

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b² - 324 = 0

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$b = \sqrt{324}$

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And 18 is one of the answer choices

So B.) 18 is the correct answer.

4 0

2 years ago

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