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+0
230587 Questions
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1140
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+169
Hard Counting Problem (IMO)
An ancient human tribe had a hierarchical system where there existed one chief with 2 supporting chiefs (supporting chief A and supporting chief B), each of whom had 2 equal, inferior officers. If the tribe at one point had 10 members, what is the number
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Inspirational
Aug 8, 2020
0
856
2
please help
Line MN passes through points M(4, 3) and N(7, 12). If the equation of the line is written in slope-intercept form, y = mx + b, what is the value of b?
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Guest
Aug 8, 2020
0
476
1
+4
physics
The smallest living organism discovered so far is called a mycoplasm. Its mass is estimated as 2.0 × 10–16 g. Express this in petagrams.
Help me please!!
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pacman123
Aug 8, 2020
0
668
4
Helppppp quick plz
help plz quick
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Guest
Aug 8, 2020
0
491
1
Solve
Consider the rectangular region with the following points as vertices:$$(5,4), (-5,4), (-5,-4), (5,-4).$$How many points with integer coordinates will be strictly in the interior of this rectangular region?
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Guest
Aug 8, 2020
0
1502
4
+981
Let ABC be a triangle with\angle BAC = 90. A circle is tangent to the sides AB and AC at X and Y respectively, such that the points
Let ABC be a triangle with\angle BAC = 90. A circle is tangent to the sides AB and AC at X and Y respectively, such that the points on
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qwertyzz
Aug 8, 2020
0
647
1
+226
PLEASE HELP THANK YOU IN ADVANCED
Consider the complex numbers in the following picture, as well as the line segments connecting them to the origin:
Put the complex numbers
in
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littlemixfan
Aug 8, 2020
0
630
3
algebra
How many quarters does Gisele have?
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Guest
Aug 8, 2020
Aug 7, 2020
0
573
2
please help!
A 5×5×5 wooden cube was painted and then sawed into 1×1×1 cubes. How many 1×1×1 cubes have exactly two faces painted?
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Guest
Aug 7, 2020
0
494
1
Polynomial math problem.
Suppose $f$ is a polynomial such that $f(0) = 47$, $f(1) = 32$, $f(2) = -13$, and $f(3)=16$. What is the sum of the coefficients of $f$? This problem has confuzzled me greatly. I have tried creating polynomials of several degrees but I am routinely getting
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Guest
Aug 7, 2020
0
522
1
help for number theory proof that shows that 9x+5y is divisible by 19 if and only if x+9y is divisible by 19
Let x and y be integers. Show that 9x+5y is divisible by 19 if and only if x+9y is divisible by 19. Thanks in advance.
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Guest
Aug 7, 2020
0
873
7
an answer was originally written as a photo, is there a way I can still read it?
hi, I found that a few years ago an answer to one of my questions was already answered but it seems that it was an image and is no longer avaible. Is there another way I can view it? thanks
off-topic
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Guest
Aug 7, 2020
0
891
3
I am dumb so plz help
How many digits are in the value of the following expression: ?
I am dumb so help
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Guest
Aug 7, 2020
0
604
3
Can you help with this question?
How many multiples of 6 are greater than -25, but less than 25?
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Guest
Aug 7, 2020
0
649
1
HELP ASAP!!!
In how many ways can we form an international commission if we must choose one European country from among 6 European countries, one Asian country from among 4, one North American country from among 3, and one African country from among 7?
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Guest
Aug 7, 2020
0
1802
1
line (coordinates)
Leo drew a line that is perpendicular to the line shown on the grid and passes through point (F, G). What is the equation of the line, in terms of F and G?
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Guest
Aug 7, 2020
-4
703
8
+2
help pls asap due today also dont understand previous explanation
took down
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NIbberlat
Aug 7, 2020
0
498
1
triangle
Find angle A.
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Guest
Aug 7, 2020
0
504
1
circle
Find FG.
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Guest
Aug 7, 2020
0
565
2
Please help!!!
Find the length XZ.
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Guest
Aug 7, 2020
0
473
1
hard inequality
Which one is correct?
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Guest
Aug 7, 2020
0
492
1
probability question
If a person is healthy. he has a 20% chance of being greater than 70 years old. If a person is greater than 70 years old, he has an 85% chance of being healthy. Suppose 15% of the citizens in a city are greater than 70
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Guest
Aug 7, 2020
0
589
2
please help
Solve this system.
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Guest
Aug 7, 2020
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