All Questions

643

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

610

algebra problem

If x/y + y/x = -1, then find x^3 - y^3.

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Guest Aug 5, 2020

633

help please

What is the value of x?

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Guest Aug 5, 2020

649

circle

Find x.

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Guest Aug 5, 2020

569

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

759

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

678

+569

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

661

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

553

need help with circle

Find arc GHF.

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Guest Aug 5, 2020

627

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

709

+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

572

line question

Find the equation Ax + By = C

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Guest Aug 5, 2020

460

hard sum

Compute

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Guest Aug 5, 2020

709

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

730

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 ●●●

Guest Aug 5, 2020

1100

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

754

+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

784

+224

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

603

Help With Functions

Differentiate the following function:

Please help... read more ..

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Guest Aug 5, 2020

739

+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

741

+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

619

Imaginary Number Equation

Solve the following equation in full detail:

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Guest Aug 5, 2020

458

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

445

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

426

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

All Questions ⁺⁰238403 Questions

HELP NEEDED ASAP

algebra problem

help please

circle

Help please.

Please help

Slopes question hard

question on triangle

need help with circle

algebra question

help Geometric Probabilityyyyy

line question

hard sum

please help

I've been stuck on this problem for ages! Is it actually easy?

pls help asap

Help Me!

More trig! Sorry

Help With Functions

Word problem help

Modulo Help!

Imaginary Number Equation

geometry

Prove that the composition of a parallel translation with a central symmetry (in either order) is a central symmetry.

counting problem

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