2 years ago

Find the area of the figure use 3.14 for pie

Mathematics

2 answers:

frosja888 [35]2 years ago

7 0

What figure? there’s nothing here

gtnhenbr [62]2 years ago

4 0

You forgot to upload the pic my friend

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Alex Ar [27]

Answer:

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Step-by-step explanation:

$a_1=3,\ a_2=3+5=8,\ a_3=8+5=13,\ a_4=13+5=18\ \implies\ d=5\\\\a_n=a_1+(n-1)d\\\\a_n=3+(n-1)(5)\\\\a_n=3+5n-5\\\\a_n=5n-2\\\\ a_n=78\quad\implies\quad n=\,??\\\\78=5n-2\\\\78+2=5n\\\\5n=80\\\\n=16$

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inysia [295]

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3 years ago

If C = x2 + 8x + 3 and B = x – 8, find an expression that equals 3C + B in<br> standard form.

oksano4ka [1.4K]

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Step-by-step explanation:

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=> 3x^2 + 24x + 9 + x - 8

=> 3x^2 + 25x + 1

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