3 years ago

the left and right page numbers of an open book are two consecutive integers whose sum is 589. find these page numbers

Mathematics

1 answer:

kramer3 years ago

6 0

Answer:

267 and 322

Step-by-step explanation:

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ElenaW [278]

Answer:

810 min

Step-by-step explanation:

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90 miles for x min

x = (90*45)/5

x= 810 min = 13.5 hours

8 0

3 years ago

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An arithmetic sequence with a third term of 8 and a constant difference of 5

Vanyuwa [196]

$\bf n^{th}\textit{ term of an arithmetic sequence} \\\\ a_n=a_1+(n-1)d\qquad \begin{cases} n=n^{th}\ term\\ a_1=\textit{first term's value}\\ d=\textit{common difference}\\ \hrulefill\\[0.5em] a_3=8\\ n=3\\ d=5 \end{cases} \\\\\\ a_3=a_1+(3-1)5\implies 8=a_1+(2)5 \\\\\\ 8=a_1+10\implies -2=a_1 \\\\\\ \begin{cases} a_1=-2\\ d=5 \end{cases}\implies a_n=-2+(n-1)d$