All Questions

525

coordinates!

An archeologist found the remains of an ancient wheel,which she placed on a grid.If an arc of the wheel passes through A(-8,0),B(-3,4),and C(8,0),locate the center of the wheel,and the standard equation of the circle defining its boundary.

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Guest Dec 3, 2020

Dec 2, 2020

428

V2 - Summative Quiz: Exponentials

As the Algebra 2 teachers are growing a plant, the height is increasing by 16% every week. If the plant started at a height of 4 inches (term 0), how tall is the plant in 5 weeks?

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Guest Dec 2, 2020

701

This graph shows the relationship

This graph shows the linear relationship between the time in seconds, x, for Caroline's walk and the distance in meters, y, Caroline is from her starting point. The graph passes through the point (20,30). According to the graph, how many read more ..

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Guest Dec 2, 2020

490

algebra 2

In a lab, bacteria is decaying at a rate of 7% each day. The lab started with a population of 40 bacteria before any time passed (term 0). In the equation to model this bacteria growth each day, what number goes in the parentheses y=40( )^x

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Guest Dec 2, 2020

407

For how many positive integers n

For how many positive integers n is 4n^2 - 1 a prime number?

Guest Dec 2, 2020

660

Physics

A rocket ship increases its speed from 1230 m/s to 1500 m/s in 5.20 s. The acceleration of the rocket is _____ m/s2.

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darling Dec 2, 2020

588

Physics

A rocket ship increases its speed from 1230 m/s to 1500 m/s in 5.20 s. The acceleration of the rocket is _____ m/s2.

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Guest Dec 2, 2020

883

mountain number

We call a number a mountain number if its middle digit is larger than or equal to any other digit. For example, 284, 551, and 333 are mountain numbers. How many 3-digit mountain numbers are there?

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Guest Dec 2, 2020

469

Some sigma problem

Compute \[\frac{1}{2^3 - 2} + \frac{1}{3^3 - 3} + \frac{1}{4^3 - 4} + \dots + \frac{1}{100^3 - 100}.\]

I suspect the rule to be the start to be 1, the end to be 100 and the rule to be 1/(n^3-n)

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Guest Dec 2, 2020

584

interior region formed by the lines

What is the area, in square units, of the interior region formed by the lines y = 4x - 6, y = -2x + 8, and the y-axis?

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Guest Dec 2, 2020

399

Sigma Infinite Series

Compute \[\sum_{n = 1}^\infty \frac{2n + 1}{n(n + 1)(n + 2)}.\]

read more ..

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Guest Dec 2, 2020

548

cone

A circular sheet of paper of radius 6 inches is cut into 4 equal sectors, and each sector is formed into a cone with no overlap. What is the height in inches of the cone?

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Guest Dec 2, 2020

529

+57

please help

help asap

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mav002 Dec 2, 2020

601

even divisors

How many even divisors does 7! + 6! have?

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Guest Dec 2, 2020

434

help with number theory

When the greatest common divisor and least common multiple of two integers are multiplied, the product is 180. How many different values could be the sum of the two integers?

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Guest Dec 2, 2020

-1

1327

+73

Suppose that you deposit $100 into your savings account, which earns 3 percent interest per year.

Suppose that you deposit $100 into your savings account, which earns 3 percent interest per year. Use what you’ve learned about calculating interest to determine how much money you’ll have in your account at the end of one year and the end of six years. read more ..

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GAMEMASTERX40 Dec 2, 2020

679

In a certain sequence of numbers, every entry after the first is the product of its two neighboring entries

In a certain sequence of numbers, every entry after the first is the product of its two neighboring entries (that is, the entries immediately before and after it). If the $100$th entry is $100$ and the $200$th entry is $200$, what is the $300$th entry? read more ..

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Guest Dec 2, 2020

1576

In the diagram below of triangle EFGEFG, HH is a midpoint of \overline{EF}EF and JJ is a midpoint of \overline{FG}FG.

In the diagram below of triangle EFGEFG, HH is a midpoint of \overline{EF}EF and JJ is a midpoint of \overline{FG}FG. If m\angle JHF=7x+62m∠JHF=7x+62, and m\angle GEH=79-10xm∠GEH=79−10x, what is the measure read more ..

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Guest Dec 2, 2020

605

+57

help please

please help me find a and b

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mav002 Dec 2, 2020

410

counting question

A Senate committee has 8 Republicans and 6 Democrats. In how many ways can we form a subcommittee of 4 members that has at least one member from each party?

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Guest Dec 2, 2020

-1

652

+466

help please

Many television screens are rectangles that are measured by the length of their diagonals. The ratio of the horizontal length to the height in a standard television screen is 4:3 What is the horizontal length (in inches) of a ``27-inch'' television read more ..

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dududsu2 Dec 2, 2020

388

geo prob

A triangle with integer sides has perimeter 15. How many such non-congruent triangles are there? (A 3-4-5 triangle is considered congruent to a 3-5-4 triangle because we can reflect and rotate the triangles until they match up.)

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Guest Dec 2, 2020

537

geometric series

Consider the geometric series 4 + 20/a + 100/a^2 + .... If the sum is a perfect square, what is the smallest possible value of a where is a positive integer?

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Guest Dec 2, 2020

-1

993

+14

Hey can I have some help please?

Billy is making compost. To create good compost quickly, the ingredient mixture should have a C:N ratio near 30:1 The table below shows the carbon and nitrogen percentages (by weight) of various common compostables. https://latex.artofproblemsolving.com/3/8/1/381b4ade4680873806d13de887fd09317b088684.png read more ..

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cmgamer Dec 2, 2020

509

What value of k would have no solutions?

x + y + 3z = 10
-4x + 3y + 5z = 7
kx + z = 3

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Guest Dec 2, 2020

All Questions ⁺⁰238062 Questions

coordinates!

V2 - Summative Quiz: Exponentials

This graph shows the relationship

algebra 2

For how many positive integers n

Physics

Physics

mountain number

Some sigma problem

interior region formed by the lines

Sigma Infinite Series

cone

please help

even divisors

help with number theory

Suppose that you deposit $100 into your savings account, which earns 3 percent interest per year.

In a certain sequence of numbers, every entry after the first is the product of its two neighboring entries

In the diagram below of triangle EFGEFG, HH is a midpoint of \overline{EF}EF and JJ is a midpoint of \overline{FG}FG.

help please

counting question

help please

geo prob

geometric series

Hey can I have some help please?

What value of k would have no solutions?

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