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621

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

951

+158

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

798

+158

Parabola Prac.

The line intersects the parabola at points and Let Find

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AoPS.Morrisville Nov 11, 2019

766

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

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Guest Nov 11, 2019

-4

974

+158

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

883

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

746

+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

883

cauchy-schwarz inequality

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

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Guest Nov 10, 2019

2604

+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

866

help

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

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Guest Nov 10, 2019

854

+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

582

help

In triangle ABC,

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Guest Nov 10, 2019

421

help

In triangle ABC,

Guest Nov 10, 2019

675

Help please

EDIT: Cant post image

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Guest Nov 10, 2019

606

I need help

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

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Guest Nov 10, 2019

588

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

573

help

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

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Guest Nov 10, 2019

865

+938

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

844

+938

23MT

HHow do you do this?

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dgfgrafgdfge111 Nov 10, 2019

877

+938

22MT

How do you do this?

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dgfgrafgdfge111 Nov 10, 2019

895

+938

#21MT

How do you do this?

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dgfgrafgdfge111 Nov 10, 2019

820

+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

845

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

833

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 ⁺⁰237748 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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