Mathematics
Mathematics, 26.07.2019 08:00, mosleykimberly944

What does x equal when the problem is 1+x/3=5?

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Mathematics, 22.06.2019 17:30, josie122
The constraints of a problem are listed below. what are the vertices of the feasible region? x+y > or equal to 7x-2y < or equal to -2x > or equal to 0y > or equal to 0
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Mathematics, 12.07.2019 20:30, Svetakotok
Can someone me with this ? ? -i only need 2 equations that will equal to any number that is 10-13 / 16-20 / 22-27 / 29-34 / 36-41 / and 43-47 - create a problem that equals to any number from 1-50 except the ones i allready -i need to write down 20 of them so just 2 left - also the problem has to have four 7’s or else it wont count the person who gives me two correct answers will get 50 ! p. s and a brainlist
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Mathematics, 02.08.2019 13:00, xxaurorabluexx
Irecently (yesterday) took the amc 10a, can anyone me with this problem? for a positive integer n and nonzero digits a, b and c, let [tex]a_n[/tex] be the n-digit integer each of whose digits is equal to a; let [tex]b_n[/tex] be the n-digit integer whose digits is equal to b; let [tex]c_n[/tex] be the 2n digit integer (not n digit) each of whose digits is equal to c. what is the greatest possible value of a + b + c for which there are at least two values of n such that [tex]c_n - b_n = a^2_n[/tex]? *this was #25, and the questions have been posted to the art of problem solving website, so i'm guessing discussion is allowed.
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Mathematics, 02.10.2019 09:00, jada4020
Why does the problem equal 1/y^2+9? after multiplying the second fraction by -1 to make the denominators equal, then adding, and then simplified the y^2 on the top and the y^4 on the bottom you get 1/y^2-81. how does the 81 turn into a 9? and once it is a nine, why don't you simplify it to (y-3)(y+3)?
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