All Questions ⁺⁰237784 Questions

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292

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Algebra

For how many real values of x is sqrt(120 - sqrt(x^2)) an integer?

Guest Jul 8, 2022

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311

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counting

A committee of 4 is to be chosen from a group of students. If the number of students in the group increases by 1, the number of different committees triples. How many students are in the group?

Guest Jul 8, 2022

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235

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palindromes

While driving, Carl notices that his odometer reads 25,952 miles, which happens to be a palindrome. He thought this was pretty rare, but 2.5 hours later, his odometer reads as 36,563 miles, anoher palindrome. What was Carl's average speed during read more ..

Guest Jul 8, 2022

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336

1

Please help quick

Kim has $10$ identical lamps and $3$ identical tables. How many ways are there for her to put all the lamps on the tables?

Guest Jul 8, 2022

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291

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3d geo

The solid shown consists of three stacked cubes of edge lengths 1 cm, 2 cm and 3 cm. What is the total volume of the solid?

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Guest Jul 8, 2022

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310

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Prisms

Both of the right triangular prisms shown have bases that are right triangles with hypotenuse length 10 cm. One prism has height x and a base leg of length 6 cm. The other prism has height x - 2 cm and a base leg of length 5*sqrt(2) cm. read more ..

Guest Jul 8, 2022

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248

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Percent

If 2/3 of 75% of 0.8x is equal to 100, what is 4/3 of 60% of 0.75x? Express your answer as a decimal to the nearest tenth.

Guest Jul 8, 2022

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257

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Ellipses

The foci of the ellipse are and as shown below. Let P be a point on the circle Line intersects the ellipse again at Q where the y-coordinate of Q is positive. Find the maximum value read more ..

Guest Jul 8, 2022

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248

1

Please answer!

https://web2.0calc.com/questions/help-asap_22063

Guest Jul 8, 2022

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251

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Quadratics (helppp)

Find the product of all positive integer values of c such that has two real roots.

Guest Jul 8, 2022

+15

361

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+1166

Ok. I think this might be calculus. real hard.

All help is greatly appreciated for this problem.

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nerdiest Jul 8, 2022

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301

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Polynomial Division

When a polynomial p(x) is divided by x+1 the remainder is 5. When p(x) is divided by x+5 the remainder is -7 Find the remainder when p(x) is divided by (x+1)(x+5).

Guest Jul 8, 2022

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288

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Polynomials

The polynomial f(x) has degree 3 if f(-1)=15, f(0)=0, f(1)=5, f(2)=0, then what are the x-intercepts of the graph of f?

Guest Jul 8, 2022

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261

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geometry

Two long strips of paper are each 2 inches wide, and they overlap so that the angle between the strips is . What is the number of =inches in the perimeter of the parallelogram formed by the overlap?
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Guest Jul 8, 2022

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284

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Units digit

What is the units digit of 3 to the 2004th power times 5 to the 2004th power?

Guest Jul 8, 2022

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290

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Digit problem

Phil wrote down a six-digit number on the board, and then Caleb erased two of the digits. What remains on the board is 2346_ _ . Phil remembers that the original number is divisible by 2, 3 and 7. What is the greatest possible value of Phil's read more ..

Guest Jul 8, 2022

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288

2

patterns

The word MATH is repeatedly written producing the pattern MATHMATHMATH... If the pattern is continued, what letter will occur in the 1000th position?

Guest Jul 8, 2022

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290

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Proportion

You are given that x is directly proportional to y^3, and y is inversely proportional to sqrt z. If the value of x is 12 when z is 3, what is the value of x when z is equal to 75? Express your answer as a common fraction.

Guest Jul 8, 2022

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249

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math problem

For her 16th birthday, Kate receives a book. On each page whose digits sum to 16, there is one word of a secret birthday message written in the margin. If the book is 580 pages, how many words are in the secret birthday message? read more ..

Guest Jul 8, 2022

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292

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Ordered Pairs

Find all values $a$ for which there exists an ordered pair $(a,b)$ satisfying the following system of equations: \begin{align*} a + ab^2 & = 40b, \\ a - ab^2 & = -32b. \end{align*} List only the values for $a.$

Guest Jul 8, 2022

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284

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Easy Problem But I Need Help...

Find the ordered pair $(x,y)$ that satisfies the system of equations \begin{align*} x+y&=15,\\ x-y&=3. \end{align*}

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Guest Jul 8, 2022

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316

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Counting

How many distinct odd-digit numbers can be written with the digits 1,2,3, 4 and 5 if no digit may be used more than once?

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Guest Jul 8, 2022

+2

369

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Probability

In a regular icosagon (20-sided polygon), all the diagonals are drawn. If a diagonal is selected at random, what is the probability of selecting a diagonal that is either the shortest possible length, the second shortest possible length, or the third shortest read more ..

Guest Jul 8, 2022

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329

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Counting

A haiku is a poem with three lines: the first line contains 5 syllables, the second line 7 syllables, and the last line 5 syllables. If each word in each list shown is used at most once, how many different haiku can be made with these read more ..

Guest Jul 8, 2022

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