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Find the first term of the arithmetic sequence in which a76=375 and the common difference is 4.8
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Apr 16, 2018
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Find the first term of the arithmetic sequence in which a76=375 and the common difference is 4.8
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Luke Hayden
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If the 76th term is 375, one must subtract the common difference n-1 times to get the first term. n is 76 so 375-(75*4.8) which is 15 and we plug 15 into the equation to see if we are right. A(76)=15+(76-1)*4.8 and since we get 375 we are correct.
Jenssen
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Apr 17, 2018
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