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 Mar 28 revised Percent word problem - calculate store cost improved formatting Mar 28 answered Percent word problem - calculate store cost Mar 27 revised What does “percent of change” mean? how I made sense of this question Mar 19 comment Very simple function question Division by 0 Mar 8 revised What does “percent of change” mean? added 84 characters in body Mar 7 revised What does “percent of change” mean? added 140 characters in body Mar 7 asked What does “percent of change” mean? Mar 7 accepted Could somebody please help me prove this using the properties of real numbers introduced in elementary algebra? Mar 6 revised Could somebody please help me prove this using the properties of real numbers introduced in elementary algebra? added 77 characters in body Mar 6 revised Could somebody please help me prove this using the properties of real numbers introduced in elementary algebra? added detail Mar 6 comment Could somebody please help me prove this using the properties of real numbers introduced in elementary algebra? Thank you for all your time and effort. Mar 6 comment Could somebody please help me prove this using the properties of real numbers introduced in elementary algebra? Thank you for your time and effort. May I ask your opinion about user 685252's answer? Mar 6 comment Could somebody please help me prove this using the properties of real numbers introduced in elementary algebra? May I ask your opinion about user 685252's answer? Mar 6 comment Could somebody please help me prove this using the properties of real numbers introduced in elementary algebra? So by saying: 1 is its own reciprocal because 1*1=1, which can be said is a special case of a*1=a, we can go directly to the definition of division. Mar 1 comment Could somebody please help me prove this using the properties of real numbers introduced in elementary algebra? @user18921 Do you think that this question is too trivial to ask for a more detailed solution? Jan 22 accepted About the function $f(a) = \int \limits_0^{\infty} \frac{\ln y}{e^{ay} + 1} \ dy$ Jan 17 comment How to deal with the temporary nature of my knowledge? @BillDubuque thank you for returning. Jan 16 awarded Quorum Jan 13 awarded Yearling Jan 7 comment Can Prime numbers be negative? Please define what you mean by "generic." Also what does "So, of the integers, 7 represents both 7 and -7." mean?