All Questions ⁺⁰237779 Questions

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+349

Find the derivative

Find the derivative using the derivatives formula, f(x+h)-f(x)/h of f(x)= 3x^3 + 2x^2 + x + 1

hipie May 22, 2022

+2

321

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+349

find the inverse and domain of this

sqrt(x^2 + 3 - 8x + 3x^3)

hipie May 22, 2022

0

328

2

Simplify

Completely simplify and rationalize the denominator:$$\frac{\sqrt{160}}{\sqrt{252}}\times\frac{\sqrt{245}}{\sqrt{3}}$$

Guest May 22, 2022

May 21, 2022

0

215

0

Please answer

https://web2.0calc.com/questions/need-the-workings-thx

Guest May 21, 2022

0

319

2

Help graphing

What is the smallest distance between the origin and a point on the graph of ?

Guest May 21, 2022

0

239

1

Fractions

Levans writes a positive fraction in which the numerator and denominator are integers, and the numerator is 2 greater than the denominator. He then writes several more fractions. To make each new fraction, he increases both the numerator and the denominator read more ..

Guest May 21, 2022

-2

311

1

+79

help

In triangle ABC, S is a point on side \overline{BC} such that BS:SC = 1:2, and T is a point on side \overline{AC} such that AT:TC = 4:3. Let U be the intersection of \overline{AS} and \overline{BT}. Find AU:US.

imbadatmath May 21, 2022

0

333

1

Simplify

Simplify $\large \frac { \sqrt { 49x } }{ \sqrt { 21y } } \div \frac { \sqrt { 8z } }{ \sqrt { xyz } } \div \frac { \sqrt { 338x } }{ \sqrt { 18y } } $

Guest May 21, 2022

0

278

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counting problem

In American football, a touchdown scores 7 points, a field goal scores 3 points, and a safety scores 2 points. If a team scored a total of points, how many combinations of plays is possible? The order of the plays does not matter, so touchdown read more ..

Guest May 21, 2022

0

320

1

Algebra

If 5x = 100, what is the value of 5(x + 2)?

Guest May 21, 2022

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220

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Inequality

If -5 <= a <= -1 and 1 <= b <= 3, what is the least possible value of ? Express your answer as a common fraction.

Guest May 21, 2022

0

291

1

System

For a certain value of k, the system
3a + 4b = 7 + 2a
6a + 4b = k - 20b
has infinitely many solutions (a, b). What is k? read more ..

Guest May 21, 2022

0

3

367

1

Algebra

If z is a complex number satisfying z + 1/z =1, calculate z^12+ 1/z^12.

Guest May 21, 2022

0

338

1

Function

Let f(x) be defined by
f(x) = 3 - x if x <= 3
f(x) = x^2 - 6x + 9 if x > 3
read more ..

Guest May 21, 2022

0

2

373

1

Sum

Compute \[\frac{1}{2^3 - 2} + \frac{1}{3^3 - 3} + \frac{1}{4^3 - 4} + \dots + \frac{1}{10^3 - 10}.\]

Guest May 21, 2022

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217

0

Help is appreciated !!

I'm a little stuck on this help qould be appreciated

Guest May 21, 2022

+2

331

1

+289

radicals

Let\[\begin{aligned} a &= \sqrt{2}+\sqrt{3}+\sqrt{6}, \\ b &= -\sqrt{2}+\sqrt{3}+\sqrt{6}, \\ c&= \sqrt{2}-\sqrt{3}+\sqrt{6}, \\ d&=-\sqrt{2}-\sqrt{3}+\sqrt{6}. \end{aligned}\]Evaluate $\left(\frac1a + \frac1b + \frac1c + \frac1d\right)^2.$ read more ..

Glowlife May 21, 2022

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286

1

Binomial

For what real values of c is 4x^2 + 14x - 3x^2 + 6x + c the square of a binomial?

Guest May 21, 2022

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323

1

help with sum

Compute the value of
1 + 2 + 3 + 4 + ... + 2019 + 2020 + 2021 + 2022

Guest May 21, 2022

0

217

0

HELP

How many ways can you distribute 4 different balls among 4 identical boxes?

Guest May 21, 2022

0

223

0

PLS HALP

Marvin the fly starts at (0,0). Each step, Marvin moves one unit right or one unit up. He is trying to get to the point (5,7). However, at (4,4) there is a frog that will eat him if he goes through that point. In how many ways can Marvin reach (5,7)? read more ..

Guest May 21, 2022

0

268

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PLS HELP

I run a book club with n people, not including myself. Every day, for 356 days, I invite three members in the club to review a book. What is the smallest positive integer so that I can avoid ever having the exact same group of three read more ..

Guest May 21, 2022

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245

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Help- trigonometric equation.

If the identity 1 + cot x = csc x is used in the proof of another identity, for what values of x is the proof valid? (Radian mode)

Guest May 21, 2022

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