All Questions

521

help

ABC is an isosceles triangle with sides AB=AC=5. D is a point in between B and C such that BD=2 and DC=4.5. Find the length of AD.

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Guest Nov 11, 2019

-1

873

+143

Circles Prac.

Two circles of radius 1 are centered at (4,0) and (-4,0) How many circles are tangent to both of the given circles and also pass through the point (0,5)?

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AoPS.Morrisville Nov 11, 2019

-1

698

+143

Parabola Prac.

The line intersects the parabola at points and Let Find

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AoPS.Morrisville Nov 11, 2019

659

what is the proportionality of π? (seriously I don't know)

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Guest Nov 11, 2019

-4

880

+143

Adv. Complex #'s

Let be complex numbers such that and
Find the largest possible value of .

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AoPS.Morrisville Nov 11, 2019

Nov 10, 2019

786

Ok, this is just getting annoying

So, I try posting an image, but everytime I try and post it, it resorts to latex when I actually publish the math question

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Guest Nov 10, 2019

641

+29

Need help with these questions

I got pi/3 for question b is that correct? And as for part c, I expanded and got 2 root 2 for the real number and negative 2 root 2 for the i number. read more ..

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Umbrella Nov 10, 2019

789

cauchy-schwarz inequality

Let be nonnegative real numbers such that . Find the minimum value of .

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Guest Nov 10, 2019

2549

+18

help please A parabola $ax^2+bx+c$ contains the points $(-1,0)$, $(0,5)$, and $(5,0)$. Find the value $100a+10b+c$.

A parabola $ax^2+bx+c$ contains the points $(-1,0)$, $(0,5)$, and $(5,0)$. Find the value $100a+10b+c$.

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charluu Nov 10, 2019

767

help

In triangle ABC, angle A = 2*angle B. Prove that a^2 = b*(b+c).

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Guest Nov 10, 2019

755

+142

Whelp.

If , what is the value of ?

Express your answer as a common fraction...
read more ..

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MagicKitten Nov 10, 2019

474

help

In triangle ABC,

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Guest Nov 10, 2019

339

help

In triangle ABC,

Guest Nov 10, 2019

564

Help please

EDIT: Cant post image

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Guest Nov 10, 2019

509

I need help

I would be very greatful if someone could help me Thank You!!

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Guest Nov 10, 2019

481

Can someone help me understand? Thanks so much

Find a linear inequality with the following solution set. Each grid line represents one unit.
0.1) { TicksArrx.push(i);} } for(i=ybottom+ystep; i 0.1) { TicksArry.push(i);} } if(usegrid) { xaxis(BottomTop(extend=false), Ticks("%", TicksArrx read more ..

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Guest Nov 10, 2019

463

help

If A + B = 225 degrees, then find (1 + tan A)(1 + tan B).

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Guest Nov 10, 2019

755

+936

24MT

Also, Thank you to everyone who has helped me understand how to do the other problems I posted. I am very grateful!

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dgfgrafgdfge111 Nov 10, 2019

759

+936

23MT

HHow do you do this?

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dgfgrafgdfge111 Nov 10, 2019

779

+936

22MT

How do you do this?

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dgfgrafgdfge111 Nov 10, 2019

814

+936

#21MT

How do you do this?

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dgfgrafgdfge111 Nov 10, 2019

740

+115

Word Problem help.

Several men (x of them) crash-land their airplane on a deserted island in the South Pacific. On their first day they gather as many coconuts as they can find into one big pile. They decide that, since it is getting dark, they will wait until the next day read more ..

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Drazil Nov 10, 2019

753

help

Rayna writes each letter of her name—R, A, Y, N and A—on a separate piece of 1-by-1 paper. She then puts the 5 pieces of paper in a bag and randomly selects one of the 5 pieces. What is the probability that she selects the piece with the R written on it? read more ..

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Guest Nov 10, 2019

735

I don't get how you would do this

Thank you to anyone who answers

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Guest Nov 10, 2019

All Questions ⁺⁰230745 Questions

help

Circles Prac.

Parabola Prac.

what is the proportionality of π? (seriously I don't know)

Adv. Complex #'s

Ok, this is just getting annoying

Need help with these questions

cauchy-schwarz inequality

help please A parabola $ax^2+bx+c$ contains the points $(-1,0)$, $(0,5)$, and $(5,0)$. Find the value $100a+10b+c$.

help

Whelp.

help

help

Help please

I need help

Can someone help me understand? Thanks so much

help

24MT

23MT

22MT

#21MT

Word Problem help.

help

I don't get how you would do this

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