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trumpstinks
Nombre de usuario
trumpstinks
Puntuación
51
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Preguntas
5
Respuestas
17
5 Questions
17 Answers
+1
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Hard Probability Help pls
Five journalists, two baristas, and a sailor are to be seated around a circular table. How many different arrangements are possible if the journalists must all sit together (in five consecutive seats) and the baristas must sit next to each other? (Two seatings
lee mas ..
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trumpstinks
12 jun 2020
0
593
2
+51
help please (complementary counting)
An 8 by 8 checkerboard has alternating black and white squares. How many distinct squares, with sides on the grid lines of the checkerboard (horizontal and vertical) and containing at least 4 black squares, can be drawn on the checkerboard?
https://latex.artofproblemsolving.com/8/7/a/87aa3c21435405d11d99ede53e0abc0dac7f4963.png
lee mas ..
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trumpstinks
4 jun 2020
0
949
5
+51
HELP PLEASE!!!
Find all pairs $(x,y)$ of real numbers such that $x + y = 10$ and $x^2 + y^2 = 56$. For example, to enter the solutions $(2,4)$ and $(-3,9)$, you would enter "(2,4),(-3,9)" (without the quotation marks).
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trumpstinks
16 may 2020
+1
549
2
+51
PLEASE HELP SOON!!! THANKS
Find all complex numbers $z$ such that $z^4 = -4.$
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trumpstinks
11 may 2020
0
2383
3
+51
PLEASE HELP!!!
Find the number of ordered pairs $(a,b)$ of integers such that \[\frac{a + 2}{a + 5} = \frac{b}{3}.\]
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trumpstinks
10 may 2020
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