3 years ago

Please tell me if it 1 2 3 4 or 5

Mathematics

1 answer:

Gnesinka [82]3 years ago

3 0

I would say
B)
the correct inequality begins with y<....
and C)
the graph has a dotted line

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Sveta_85 [38]

Answer:

$\sqrt{7}+\sqrt{3}+4\sqrt{2}$
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Step-by-step explanation:

Part A ;

$\sqrt{7} +\sqrt{3} +\sqrt{98} -\sqrt{18} \\\\\sqrt{98}=7\sqrt{2}\\\sqrt{18}=3\sqrt{2}\\\\=\sqrt{7}+\sqrt{3}+7\sqrt{2}-3\sqrt{2}\\\\\mathrm{Add\:similar\:elements:}\:7\sqrt{2}-3\sqrt{2}=4\sqrt{2}\\\\=\sqrt{7}+\sqrt{3}+4\sqrt{2}$

Part B ;

$3\sqrt{5} - 3\sqrt{11} + 2\sqrt{121} -3\sqrt{90} \\\\2\sqrt{121}=22\\3\sqrt{90}=9\sqrt{10}\\\\=3\sqrt{5}-3\sqrt{11}+22-9\sqrt{10}$

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Answer:

<h3>x=9 answer...</h3>

Step-by-step explanation:

6/x=18/27
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<h2>hope it helps.</h2><h2>stay safe healthy and happy..</h2>

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