3 years ago

Could someone please check my work? We're working on linear regression.

Mathematics

2 answers:

o-na [289]3 years ago

7 0

It looks alright to me but i would check it again see if you missed anything <span />

ioda3 years ago

6 0

It looks good. nice handwriting

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Dvinal [7]

Answer:

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$\large\text{It's close to 55.0}$

Step-by-step explanation:

$\tan12^o\approx0.2126\\\\\tan12^o=\dfrac{12}{x}\to\dfrac{12}{x}=0.2126\qquad\text{convert the decimal to the fraction}\\\\\dfrac{12}{x}=\dfrac{2126}{10000}\qquad\text{cross multiply}\\\\2126x=120000\qquad\text{divide both sides by 2126}\\\\x=\dfrac{120000}{2126}\\\\x\approx56.44$