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Post New Question
All Questions
+0
230578 Questions
0
496
2
HELP NEEDED ASAP
Suppose and are isosceles triangles. Also suppose TI=5 that PI=7 , and PO=11.
What are all the possible lengths TO ? Enter the possible values, separated by commas.
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Guest
Aug 5, 2020
0
476
1
algebra problem
If x/y + y/x = -1, then find x^3 - y^3.
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Guest
Aug 5, 2020
0
495
3
help please
What is the value of x?
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Guest
Aug 5, 2020
0
505
2
circle
Find x.
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Guest
Aug 5, 2020
0
433
6
Help please.
Five people are passing a ball amongst themselves. The ball starts with Alonzo. Each person who has the ball passes it onto someone else. After the eighth pass, the ball returns to Alonzo. Find the number of possible sequences of passes.
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Guest
Aug 5, 2020
0
629
5
Please help
Dr. Lizardo writes down a sequence of n letters, where each letter is A, B, or C, and the letter A appears an even number of times. How many different sequences could Dr. Lizardo have written down?
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Guest
Aug 5, 2020
+7
543
5
+566
Slopes question hard
Find the value of c such that the three points (5, 5), (-3, 1) , and (6, c) lie on the same line.
Note: Three points are on the same line if the slope of the line through any two points is always the same.
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iamhappy
Aug 5, 2020
0
520
1
question on triangle
In triangle ABC, m angle A= 35 degrees, a= 12 and b= 14. Find c to the nearest tenth
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Guest
Aug 5, 2020
0
405
1
need help with circle
Find arc GHF.
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Guest
Aug 5, 2020
0
490
1
algebra question
It took a train 20 seconds to completely pass a 500-m iron bridge. When the train was passing through a 1900-m tunnel, it was invisible from outside of the tunnel for 30 seconds. If the speed of the train was constant, what
read more ..
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Guest
Aug 5, 2020
0
562
1
+96
help Geometric Probabilityyyyy
Let DEF be an equilateral triangle with side length . At random, a point G is chosen inside the triangle. Compute the probability that the length DG is less than or equal to 1.
I'm stuck and I don't know
read more ..
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kanisan
Aug 5, 2020
0
448
1
line question
Find the equation Ax + By = C
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Guest
Aug 5, 2020
0
328
1
hard sum
Compute
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Guest
Aug 5, 2020
0
576
1
please help
A shop sells “Gello” pens and “Inko” pens. A “Gello” pen costs £5 and an “Inko” pen costs £7. One day the shop sold 17 pens and recieved £109. How many of each type of pen were solved?
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Guest
Aug 5, 2020
0
612
3
I've been stuck on this problem for ages! Is it actually easy?
A stick has a length of 5 units. The stick is then broken at two points, chosen at random. What is the probability that all three resulting pieces are longer than 1 unit?
heureka
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Guest
Aug 5, 2020
0
1014
2
pls help asap
If the numbers on the third diagonal of Pascal's Triangle are triangular numbers, what is the value of the $50$th triangular number? (The $n$th triangular number is $1+2+3+\ldots+n$.)
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Guest
Aug 5, 2020
+5
667
2
+169
Help Me!
So, just please don't give the answer if I'm wrong, I wanna learn, not cheat. So basically, I have this problem:
A fair coin is flipped 7 times. What is the probability that at least 5 consecutive flips come up heads?
I'm pretty sure
read more ..
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Inspirational
Aug 5, 2020
0
677
1
+223
More trig! Sorry
In triangle ABC, AB = BC = 25 and AC = 40. What is ?
Answer with an exact number
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envoy
Aug 5, 2020
0
454
1
Help With Functions
Differentiate the following function:
Please help...
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Guest
Aug 5, 2020
+1
621
3
+234
Word problem help
Juliet rented a car for one day from a company that charges $80 per day plus$0.15 per mile driven. If she was charged a total of $98 for the rental and milage for how many miles of driving was juliet charged?
a - 15
b - 120
c
read more ..
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BLANK
Aug 5, 2020
+4
615
2
+169
Modulo Help!
If 7n+1 is a multiple of 4, then what is n mod 4
???
help? Thank you!
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Inspirational
Aug 5, 2020
0
490
1
Imaginary Number Equation
Solve the following equation in full detail:
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Guest
Aug 5, 2020
0
321
0
geometry
In the diagram above, the sides of △ABC are tangent to the inscribed circle with radius c and center O at points E,D and F where BD = a and DC = b. Let ab > c^2 and P be the
read more ..
Guest
Aug 5, 2020
0
319
0
Prove that the composition of a parallel translation with a central symmetry (in either order) is a central symmetry.
Prove that the composition of a parallel translation with a central symmetry (in
either order) is a central symmetry.
Guest
Aug 5, 2020
0
303
0
counting problem
The nine points (x,y) are plotted in the plane, where x and y are integers and 0 <= x, y <= 2. How many different triangles have their vertices among these nine points?
Guest
Aug 5, 2020
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