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Answers by Dr. B.

What is the benchmark of 19/20 and 27/28 using 1? (answer)

Shelby, Are you trying to compare the two fractions? If the following isn't what you need, could you please clarify what the requirement is and what exactly you're allowed and not allowed (other than not allowed common deminators). But notice this:   19/20 = 1 - 1/20 and   27/28...

2^p=3^q=48^r show that pq=r(4q+p) (answer)

[Edit of original] Sorry, I have seen several questions with typos in one night, so wondered whether the first = was supposed to be a multiplication in a number theory question I thought you perhaps intended.   To eliminate ambiguity, it would have helped to add 5 words, "where...

how do i solve x+4(5/7)-8=6 (answer)

x+4(5/7)-8=6   now add 8 to both sides to get   x+4(5/7)=14   Re-write as x+ (20/7) = 14 but 14 = (98/7) so:   x+(20/7) = (98/7)   Hence: x = 98/7 - 20/7 = 78/7  Which is the same as x= 11 and 1/7. Let...

What is the square rote of pi (answer)

Hi, I think you mean "the square-root of pi"   Pi is the irrational number 3.14159265.... (pi is defined to be the number you get if you divide the circumference of a circle by its diameter, the preceding is an approximate decimal representation)   Now you can...

How to identify Points, Segments, Lines and Rays. (answer)

Hi Ervin, Since the question doesn't specify much more than "how to identify" I might not cover exactly what your daughter needs; if the following isn't enough feel free to follow up with a more detailed question. In short however:   A point is basically the geometric...