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761

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There is an unlimited supply of congruent equilateral triangles made of colored paper. Each triangle is a solid color with the same color on both sides of the paper. A large equilateral triangle is constructed from four of these paper triangles as shown. read more ..

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Guest Dec 12, 2019

1697

+27

Need help on math

A student is ordering a flower arrangement. She can choose any combination of rose and carnations for her flower arrangement, and she does not want not spend more than $30. If roses cost $3 each and carnations cost $2 each, which inequality represents all read more ..

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Duckielo Dec 12, 2019

634

help

The lengths of the sides of a triangle are 13, 37, and 40. Find the length of the altitude to the longest side.

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Guest Dec 12, 2019

563

help

If a + b + c = 0 and a^3 + b^3 + c^3 = 216, find the value of abc.

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Guest Dec 12, 2019

370

help

In an isosceles triangle, the lengths of the base and the median to one leg are equal. Find the cosine of the vertex angle.

Guest Dec 12, 2019

-1

976

please help me!! :(

In the diagram below, and is not on
https://latex.artofproblemsolving.com/6/d/9/6d98aacdad1bdb92383a3fb9b284a630fa987ab0.png <----- Here's the image. Sorry if it's super dark and hard to read.

Can read more ..

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Guest Dec 12, 2019

831

+296

Algebra Question

One root of x^2+12x+k=0 is twice the other root. Find k.

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EpicWater Dec 12, 2019

Dec 11, 2019

641

+262

help!

A man nearing retirement wants to invest some money in a fund that compounds annually at a rate of 6 percent, so that in five years, he will have at least $100,000. How much money must he invest now to make that happen?

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atlas9 Dec 11, 2019

1134

+2862

A question I made myself and now I don't know how to solve it.

Shakespeare's book is numbered 1-300 with 150 pages. Claudius is lazy and does not want to read his book assignment. He starts with the page numbered "1", and skips 2 and reads 3. He keeps skipping every other number until he finishes the book. How many read more ..

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CalculatorUser Dec 11, 2019

1432

+491

Need Help Solving this

Use the Table of Random Digits below to solve.

The owner of a large shopping center wants to survey a sample of 12 store owners and ask them if they would stay open one read more ..

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whosmans Dec 11, 2019

669

+262

this is random

what does the hearts under my nametag mean? they're going up and idk why lol

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atlas9 Dec 11, 2019

1030

+511

help please

Study results indicate that the mean length of time people spend on a bus in a city is between 22.4 minutes and 26.5 minutes.
What is the study's margin of error?
2.05 min
3.25 min
4.1 min read more ..

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kikidylm Dec 11, 2019

888

+511

need help

An elementary school teacher wants to know if the words in a book are too difficult for her students. She reads the first sentence of the first page in every chapter and finds three words that her students would not know.
What is the sample in this situation? read more ..

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kikidylm Dec 11, 2019

590

HELP!

what is the square root of 91

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Guest Dec 11, 2019

472

HELP

what is a nebula

off-topic

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Guest Dec 11, 2019

952

+220

help

There are 20 rooms at the Finite Hilton Hotel. 9 rooms are occupied by 2 people each; 7 rooms are each occupied by a single person; and 4 rooms are vacant.
If you talk to a random guest of the hotel at breakfast, then, assuming that person read more ..

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Oofrence Dec 11, 2019

330

Graphing calculator

I'm trying to use the graphing calculator here instead of desmos but I can't navigate it. How does it work?

(I'm trying to put in 20x+1=3x)

Guest Dec 11, 2019

1002

algebra

a linear function f models a relationship in which the dependent variable decreases 3 units for every 2 units the independent variable increases. The value of the function at 0 is 5. find the slope, y-intercept, and x-intercept

ElectricPavlov ●

Guest Dec 11, 2019

1024

algebra

in excerises 14 and 15, find the value of k so that the grap of the equation has the given slope and y-intercept.

14. y=6kx-2; m=2 over 3
15. y= -1 over 2 x + 4 over 3k; b = -8 read more ..

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Guest Dec 11, 2019

1559

please help

a linear function g models the growth of your hair. On average, the lenth of a hair strand increases 1.25 centimeters every month.
a. graph g when g(0) = 10
b. identify the slope and y- intercept of the graph
c. by how much, read more ..

ElectricPavlov ●●

Guest Dec 11, 2019

626

help

There are two circles that pass through (1,9) and (8,8) and are tangent to the x-axis. Find the lengths of their radii.

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Guest Dec 11, 2019

631

help

The sum of two of the three roots of x^3 + ax^2 + bx + c = 0 is 0. Write an equation expressing c explicitly in terms of a and b.

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Guest Dec 11, 2019

340

help

For n > 1, find the two smallest integer values of n such that x^2 + x + 1 is a factor of (x + 1)^n - x^n - 1.

Guest Dec 11, 2019

687

help

Find the positive value of x that satisfies

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Guest Dec 11, 2019

824

+87

MaTh!

Given that and that for real numbers , , and , what is the value of ?

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Divineology Dec 11, 2019

All Questions ⁺⁰231295 Questions

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Need help on math

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please help me!! :(

Algebra Question

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A question I made myself and now I don't know how to solve it.

Need Help Solving this

this is random

help please

need help

HELP!

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Graphing calculator

algebra

algebra

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MaTh!

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