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1228

+53

AMC 10B 2019 Question #16

I also had trouble with this question.

16. In ABC with a right angle at C, point D lies in the interior of AB and point E lies in the interior of BC so that AC=CD, DE=EB, and the ratio AC:DE = 4:3. What is the ratio AD:DB?
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heureka ●●●

Mathcounts24 Feb 15, 2019

965

+53

AMC 10B 2019 Question #10

10. In a given plane, points A and B are 10 units apart. How many points C are there in the plane such that the perimeter of ABC is 50 units and the area of ABC is 100 units?

A) 0
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Mathcounts24 Feb 15, 2019

362

help !!

whats -3sqrt6x--3sqrt6x

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Guest Feb 15, 2019

987

+2862

Keeps changing his mind

Henry decides one morning to do a workout and walks of the way from his home to his gym. The gym kilometers away from Henry's home. At that point, he changes his mind and walks of the distance from there back toward the gym. read more ..

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CalculatorUser Feb 15, 2019

Feb 14, 2019

929

(7n)^1/2 in radical form

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Guest Feb 14, 2019

2163

+88

Each minute he moves to one of the dots neighboring the dot he was at, choosing from among its neighbors at random.

An ant moves on the following lattice, beginning at the dot labeled A. Each minute he moves to one of the dots neighboring the dot he was at, choosing from among its neighbors at random. What is the probability that after 5 minutes he is at the dot read more ..

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alskdj Feb 14, 2019

362

help me

Find the integer n such that

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Guest Feb 14, 2019

420

Plz help

Fake gold bricks are made by covering concrete cubes with gold paint, so the cost of the paint is proportional to their surface area while the cost of the concrete is proportional to their volume. If a 1 inch cube costs $1.30 to make while a 2 inch cube read more ..

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Guest Feb 14, 2019

981

+1253

Geometry

As shown in the diagram, , and . Find

Another one... read more ..

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CoolStuffYT Feb 14, 2019

849

CONFUSED

8000 divided by 3?

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Guest Feb 14, 2019

1109

help

Given that the polynomial x^2-kx+16 has only positive integer roots, find the average of all distinct possibilities for k.

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Guest Feb 14, 2019

-1

981

x2-5x-14= what?

what is a postive solution to
x2-5x-14= what?

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Guest Feb 14, 2019

1064

+98

Help Explain how to set up the equation that solves it PLEASE!

The solid in the diagram was formed by removing a corner from a cube with side lengths of 24cm. The length of EB of 6cm. Calculate the measure of angle PER

Dont read more ..

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StarStrike Feb 14, 2019

736

+642

is this correct part 2

is this correct?

StarStrike ●

cerenetie Feb 14, 2019

698

+642

help i need to know if this is correct

is this correct? if not whats wrong with it?

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cerenetie Feb 14, 2019

444

how to figure this out?

http://prntscr.com/ml6bft

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Guest Feb 14, 2019

889

+98

Im stuck

Help me on this qeustion please.

Solve for the length of the indicated side. Using knowledge that COS(150) = - (sqrt(3)/2) calculate the value of ‘x’ leaving your read more ..

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StarStrike Feb 14, 2019

820

HELP I need to figure this out and I'm on a time crunch.

A man weighs 784.8 N. What is his mass in kilograms?

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Guest Feb 14, 2019

858

+98

Please Check for this calculation.

so:
Cos(x) = 7^2 + 10^2 - 10^2/2(7 * 10) read more ..

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StarStrike Feb 14, 2019

760

+12

Help I need Somebody HELP!!!!!

Help Solve Please

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soccermanward Feb 14, 2019

638

Simplifying Radicals

(sqrt(5)*3)^2
don't know how ot simplify this, someone help?

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Guest Feb 14, 2019

722

+309

I need help...

Solve X

x^2 -10 = 15
Help me solve algebraically.

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StarStrike Feb 14, 2019

846

+82

Functions

if you have the input values of 1,2,3and 4 and the outputs are all 5 is it a function and why?

need answers sooon plz and thank you read more ..

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kminery62 Feb 14, 2019

All Questions ⁺⁰230451 Questions

AMC 10B 2019 Question #16

AMC 10B 2019 Question #10

help !!

Keeps changing his mind

(7n)^1/2 in radical form

Each minute he moves to one of the dots neighboring the dot he was at, choosing from among its neighbors at random.

help me

Plz help

Geometry

CONFUSED

help

x2-5x-14= what?

Help Explain how to set up the equation that solves it PLEASE!

is this correct part 2

help i need to know if this is correct

how to figure this out?

Im stuck

HELP I need to figure this out and I'm on a time crunch.

Please Check for this calculation.

Help I need Somebody HELP!!!!!

Simplifying Radicals

I need help...

Solve X

Functions

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