HELPPPPPPP PLS MATH!! MKARKING BRAINNIEST!!!!!!!!!!

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Answer 1

Answer:

Answer:

Step-by-step explanation:

Because i said so

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Helpppppp. (the other one cut out is multiplication property of equality)

The seventh term of an arithmetic sequence is 21, the tenth term is 126. The first term is

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Hi,
$a_(10)=a_0+10*r\na_7=a_0+7*r\na_(10)-a_7=3\ \Rightarrow 126-21=3r\ \Rightarrow r=35\na_7=a_0+7*r\ \Rightarrow 21=a_0+7*35\n\Rightarrow a_0=-224\n\Rightarrow a_1=-224+35\n\boxed{a_1=-189}$

A train was scheduled to leave at 3:37pm but it left 46 minuites late at what time did the train lleave use a 12 hour clock