All Questions

415

help geometry

Circle O and circle P, with radii 3 and 8, respectively, are both tangent to line l at H. Enter all possible lengths of OP separated by commas.

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Guest Aug 23, 2021

421

Logarithm

For what x will $7-\log_{36}{x}+\frac{13}{2}=13$ ?

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Guest Aug 23, 2021

257

Domain question

If $f(x)$ is a function whose domain is $[-1,1]$, and $g(x)=f(x^2)$, then the domain of $g(x)$ is an interval of what width?

Guest Aug 23, 2021

444

+197

help please asap!

If , and is a polynomial such that the degree of is 3, then what is the degree of ?

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icecreamlover Aug 23, 2021

402

Fractions

A man loses $\frac{1}{3}$ of money in first round,$\frac{3}{5}$ of remaining in second,$\frac{4}{7}$ of remaining in third.Find the amount he is left with.

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Guest Aug 23, 2021

314

f(x)has a degree of 3. The constant term of f (x) is 0. f (x)has a zero at -6 with a multiplicity of 2. It is also known that f(1)=-174

f(x)has a degree of 3. The constant term of f (x) is 0. f (x)has a zero at -6 with a multiplicity of 2. It is also known that f(1)=-174
What would be the formula?

Guest Aug 23, 2021

Aug 22, 2021

269

need help

Find the largest value of x for which
x^2 + y^2 = x + y + 4
has a solution, if x and y are real.

Guest Aug 22, 2021

355

help math

You have 3 quarters, 5 dimes, 7 nickels, and some pennies.-If the ratio of dimes to the total number of coins you have is 1:3, how many pennies are there?

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Guest Aug 22, 2021

341

You forgot to answer it

https://web2.0calc.com/questions/help-me-on-this-question_5

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Guest Aug 22, 2021

315

Logarithm Problem, Please Help!

Find $a/b$ when $2\log{(a -2b)} = \log{a} + \log{b}$.

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Guest Aug 22, 2021

419

Algebra

Simplify $\frac{\sqrt{72}}{\sqrt{25}}$. Your answer should have an integer denominator.

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Guest Aug 22, 2021

422

+197

help

Andy had as many marbles as Tom. Andy then gave of his marbles to Tom. Tom then had 204 more marbles than Andy. How many marbles did Andy have at first?

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KINGCASH Aug 22, 2021

303

help geometry

1) Let ABCDE be a regular pentagon. Prove that AC bisects angle BCE and AD bisects angle BDE.
2) In quadrilateral BCDE, CBD = 31 degrees, CED = 47 degrees, BCE = 85 degrees. Find angle BDE.

Guest Aug 22, 2021

413

Factors

What is the number of total factors for (a^3b^5)^4 if a and b are two different primes?

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Guest Aug 22, 2021

337

Probability

3 cards are chosen at random from a standard 52-card deck. What is the probability that they can be arranged into a group of three consecutive cards, all of the same suit? For this problem, an Ace can either come before a 2 or after a King, but not both read more ..

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Guest Aug 22, 2021

327

Algebra

order from least to greatest:
$\sqrt{21}$, $\sqrt[3]{27}$, $-\sqrt{64}$, $\sqrt[4]{25}$, $\sqrt{40}$, $-\sqrt[3]{81}$

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Guest Aug 22, 2021

274

Algebra

The solutions of x(3x-7) = -1 may be expressed in the form m + sqrt n / p and m - sqrt n / p , where m, n, and p have a greatest common divisor of 1. Find m+n+p.

Guest Aug 22, 2021

328

Inequality

Find all values of y which do not satisfy
1 <= 4 - 3y < 10.

Express your answer in interval notation. read more ..

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Guest Aug 22, 2021

524

Help algebra

There exist two positive integers c such that the equation
5x^2 + 11x + c = 0
has rational solutions. Find the product of these two values of c.

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Guest Aug 22, 2021

292

Complex Numbers

Express (4-5i)(-5-5i) in the form a+bi , where a and b are integers and i^2=-1.

Guest Aug 22, 2021

285

Counting

Catherine rolls a 6-sided die five times, and the product of her rolls is 1500. How many different sequences of rolls could there have been? (The order of the rolls matters.)

Guest Aug 22, 2021

262

Algebra

Let a and b be the solutions to 5x^2 - 11x + 4 = 0 Find: 1/a^2 + 1/b^2.

Guest Aug 22, 2021

488

geometry

Triangle ABC has side lengths AB = 13, AC = 15, and BC = 14. Let I be the incenter. Find length BI.

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Guest Aug 22, 2021

316

Help with inequality

Let a_1, a_2, ..., a_n be real numbers such that a_1 + 2a_2 + ... + na_n = 1. Find the minimum value of a_1^2 + 2a_2^2 + ... + na_n^2.

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Guest Aug 22, 2021

310

Help with inequality

f w, x, y, and z are positive real numbers such that w + 2x + 3y + 4z = 8, then what is the maximum value of wxyz?

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Guest Aug 22, 2021

All Questions ⁺⁰237665 Questions

help geometry

Logarithm

Domain question

help please asap!

Fractions

f(x)has a degree of 3. The constant term of f (x) is 0. f (x)has a zero at -6 with a multiplicity of 2. It is also known that f(1)=-174

need help

help math

You forgot to answer it

Logarithm Problem, Please Help!

Algebra

help

help geometry

Factors

Probability

Algebra

Algebra

Inequality

Help algebra

Complex Numbers

Counting

Algebra

geometry

Help with inequality

Help with inequality

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