All Questions

955

Find the coefficient of $x$ when $3(x - 4) + 4(7 - 2x^2 + 5x) - 8(2x - 1)$ is simplified.

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Guest Jun 2, 2020

651

HALLP ASAP

In the diagram below, the area of BCD is 60. What is the length of side BC?

off-topic

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Guest Jun 2, 2020

439

help

Given that -3 <= x <= 2 and 20x^2 = y - 24, what is the smallest possible value for y?

Guest Jun 2, 2020

-4

869

+73

Lin thinks that the central angle in circle A is congruent to the central angle in circle B. Do you agree with Lin?

Lin thinks that the central angle in circle A is congruent to the central angle in circle B. Do you agree with Lin? Show or explain your reasoning. read more ..

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GAMEMASTERX40 Jun 2, 2020

691

+22

ples halp

The function $f$ satisfies \[f(\sqrt{x + 1}) = \frac{1}{x}\]for all $x \ge -1,$ $x\neq 0.$ Find $f(2)$.

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INEEDHELPCUZIMSMART Jun 2, 2020

1064

HELP PLEASE

When the expression $3x^2-24x+55$ is written in the form $a(x+d)^2+e$, where $a$, $d$, and $e$ are constants, then what is the sum $a+d+e$?

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Guest Jun 2, 2020

719

Kinda need help

Paula invests $10,000 for 5 years at an interest rate of 10% per year. If the interest is simple interest, how much is her investment worth at the end of those five years?

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Guest Jun 2, 2020

Jun 1, 2020

773

Let $f(x)=2x^4+x^3+x^2-3x+r$. For what value of $r$ is $f(2)=0$?

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Guest Jun 1, 2020

584

+22

PLeaaase halp meeee

The function $f$ satisfies \[f(\sqrt{x + 1}) = \frac{1}{x}\]for all $x \ge -1,$ $x\neq 0.$ Find $f(2)$.

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INEEDHELPCUZIMSMART Jun 1, 2020

815

Help Quick PLEASE

Jeremy is writing down a sequence of integers. He writes 1 as his first number. Then, he squares it and adds 3, writing down 4 next. He squares 4 and adds 3, writing down 19 as his third number. If Jeremy continues his square-and-add pattern, what will read more ..

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Guest Jun 1, 2020

1478

+866

The entire graph of the function f(x) is shown below (f is only defined when x is between -4 and 4 inclusive). How many values of

The entire graph of the function f(x) is shown below (f is only defined when x is between -4 and 4 inclusive). How many values of x satisfy f(f(x)) = 2?

read more ..

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AnimalMaster Jun 1, 2020

557

The entire graph of the function f(x) is shown below (f is only defined when x is between -4 and 4 inclusive). How many values of

The entire graph of the function f(x) is shown below (f is only defined when x is between -4 and 4 inclusive). How many values of x satisfy f(f(x)) = 2?

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Guest Jun 1, 2020

619

+866

help!

Jose invested $50,000 for 2 years at an annual interest rate of 4 percent compounded yearly. Patricia invested $50,000 for the same period of time, at the same interest rate, but the interest was compounded quarterly. To the nearest dollar, read more ..

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AnimalMaster Jun 1, 2020

640

+866

reason i keep reposting is that i keep getting troll answers.

The circle 2x^2 = -2y^2 + 12x - 4y + 20 is inscribed inside a square which has a pair of sides parallel to the x-axis. What is the area of the square?

The reason i keep reposting is that i keep getting troll answers. I have read more ..

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AnimalMaster Jun 1, 2020

1489

help

What is the positive difference between the sum of the first 20 positive multiples of 5 and the sum of the first 20 positive, even integers?

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Guest Jun 1, 2020

1191

Find $h(x)$, with terms in order of decreasing degree, if\[3x^4+2x-1+h(x)=5x^2-6x-1.\]

Find , with terms in order of decreasing degree, if 3x^4+2x-1+h(x)=5x^2-6x-1.

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Guest Jun 1, 2020

458

how fast

located approximately 26 thousand light-years from the center of a galaxy and orbits that center once every 258 million years, how fast is the planet traveling around the galaxy in km/hr?

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Guest Jun 1, 2020

446

factoring

Factor x^8 + 64 over the real numbers. I'm not sure what to do here.

Guest Jun 1, 2020

655

A recipe which serves two people needs 1/2 cup of water. How much water is needed if the cook wants to make enough to serve six people?

A recipe which serves two people needs 1/2 cup of water.
How much water is needed if the cook wants to make enough to serve six people?

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Guest Jun 1, 2020

545

Let $f(x)$ be a quadratic polynomial such that $f(-4) = -22,$ $f(-1)=2$, and $f(2)=-1.$ Let $g(x) = f(x)^{16}.$ Find the sum of the coeffici

Let be a quadratic polynomial such that , and Let Find the sum of the coefficients of the terms in that have even degree. (For example, the sum of the coefficients of the terms in that read more ..

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Guest Jun 1, 2020

603

+614

can someone pls help me with this ques

https://web2.0calc.com/questions/functions_40

xxJenny1213xx Jun 1, 2020

554

please help

If I drive the first 3 miles at 45 mph, how fast must I drive the last mile in order to complete the entire trip in 5 minutes?

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Guest Jun 1, 2020

582

trig

If tan (x) = 1/2 and csc(x) < 0, then find cos(x).

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Guest Jun 1, 2020

738

help

Parallelogram ABCD has A(0, 1), B(2, 1) and C(4, 0) as three of its vertices. What is the sum of the coordinates of point D?

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Guest Jun 1, 2020

All Questions ⁺⁰237668 Questions

Find the coefficient of $x$ when $3(x - 4) + 4(7 - 2x^2 + 5x) - 8(2x - 1)$ is simplified.

HALLP ASAP

help

Lin thinks that the central angle in circle A is congruent to the central angle in circle B. Do you agree with Lin?

ples halp

HELP PLEASE

Kinda need help

Let $f(x)=2x^4+x^3+x^2-3x+r$. For what value of $r$ is $f(2)=0$?

PLeaaase halp meeee

Help Quick PLEASE

The entire graph of the function f(x) is shown below (f is only defined when x is between -4 and 4 inclusive). How many values of

The entire graph of the function f(x) is shown below (f is only defined when x is between -4 and 4 inclusive). How many values of

help!

reason i keep reposting is that i keep getting troll answers.

help

Find $h(x)$, with terms in order of decreasing degree, if\[3x^4+2x-1+h(x)=5x^2-6x-1.\]

how fast

factoring

A recipe which serves two people needs 1/2 cup of water. How much water is needed if the cook wants to make enough to serve six people?

Let $f(x)$ be a quadratic polynomial such that $f(-4) = -22,$ $f(-1)=2$, and $f(2)=-1.$ Let $g(x) = f(x)^{16}.$ Find the sum of the coeffici

can someone pls help me with this ques

please help

trig

help

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