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271

help counting

Carla has 10 coins, each of which is a nickel, a dime, or a quarter, or a penny. The total value of her coins is less than $1.00. How many different combinations of coins might Carla have?

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Guest Jun 14, 2022

314

help

In the diagram below of triangle EFGEFG, HH is the midpoint of \overline{EG}EG and II is the midpoint of \overline{FG}FG . If m\angle GEF=59-7x∠GEF=59−7x, and m\angle GHI=7x+31∠GHI=7x+31, what is the measure read more ..

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Guest Jun 14, 2022

324

Algebra

Find the coefficient of y^4 in the expansion of (2y-7)^5.

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Guest Jun 14, 2022

Jun 13, 2022

288

Math problem

Find the number of positive integers less than 1000 that can be expressed as the difference of two integral powers of .

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Guest Jun 13, 2022

315

help polygon

The sum of all but one interior angle of a convex polygon is . (recall, convex means that eac interior angle is <180) What is the number of sides of this polygon? and what is the measure of the unknown interior angle?

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Guest Jun 13, 2022

323

+151

fractions help

Skylar had 3/5 as many coins as Ben. Ben gave 10 coins to Skylar so that they would each have the same amount. How many coins did the two friends have altogether?

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Ajdabegano Jun 13, 2022

304

+113

maths

Derek spends 4 out of every 7 dollars he earns on games. He used the rest of the money to buy puzzles. Last month, Derek spent 28 dollars on games. How many fewer dollars did he spend on puzzles?

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tacoBRO1023 Jun 13, 2022

333

+113

Fractions

Steve saved 1/2 of his paycheck and spent 1/2 of the remaining money. He was then left with $4. What was the original value of Steve's paycheck?

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tacoBRO1023 Jun 13, 2022

293

Rachel and Elijah received a fixed amount of money every month.

Rachel and Elijah received a fixed amount of money every month. In the first month, Rachel spent $5.60 and Elijah spent $2.80 per day. Rachel had $39.20 left when Elijah had spent all his money. In the second month, Rachel spent $2.80 per day and Elijah read more ..

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Guest Jun 13, 2022

268

https://web2.0calc.com/questions/math_16708

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Guest Jun 13, 2022

311

+113

Math

https://web2.0calc.com/questions/math_98458

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tacoBRO1023 Jun 13, 2022

300

Equation of line

The equation of the line passing through (1,11) and (-4,5) can be expressed in the form x/a + y/b = 1. Find a.

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Guest Jun 13, 2022

305

Solving a Multiplication Equation 1

Solve the equation 0.5x = 16 for x using the division property of equality.

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Guest Jun 13, 2022

319

Algebra

Solve for y if 9^y = 3^5*9/27.

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Guest Jun 13, 2022

340

How many three-letter arrangements can be made from the letters in MOUSEPAD if no letter can be used more than once and each arrangement is

How many three-letter arrangements can be made from the letters in MOUSEPAD if no letter can be used more than once and each arrangement is made up of a vowel between two consonants?

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Guest Jun 13, 2022

345

+491

Vote (off topic)

https://web2.0calc.com/questions/ph-problem

Who thinks I'm wrong in this situation?
Who thinks im Right? <read more ..

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Elijah Jun 13, 2022

306

function

If f(x) is a function whose domain is [-1,9], and g(x)=f(2x), then the domain of g(x) is an interval of what width?

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Guest Jun 13, 2022

259

Math

Daniel and Celvin have 323 toys altogether. Daniel's toys is equal to 7/10 of Celvin's toys. Find the number of toys Celvin has than Daniel.

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Guest Jun 13, 2022

305

Equation

Find the sum of all x that satisfy the equation -9x/(x^2 - 1) = 2x/(x + 1) - 6/(x - 1) + 3/(x + 1)

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Guest Jun 13, 2022

332

+88

If four dice are rolled and the number of 1's, 2's, 3's, 4's, 5's, and 6's are recorded, how many possible results are there?

If four dice are rolled and the number of 1's, 2's, 3's, 4's, 5's, and 6's are recorded, how many possible results are there?

This is confusing me a little bit. Naturally, I would say 6^4 = 1296 results. However, we could have 1123 read more ..

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grs75 Jun 13, 2022

271

question

A funnel is made up of a partial cone and a cylinder as shown in the figure. The maximum amount of liquid that can be in the funnel at any given time is 16.59375π cubic centimeters. Given this information, what is the volume of the partial cone that makes read more ..

Guest Jun 13, 2022

233

function

For real numbers x, let
f(x) = x + 2 if x > 3
f(x) = x^2 + a if x <= 3
What must the value of a be to make the piecewise function continuous (which means that its graph can be drawn without lifting your pencil from read more ..

Guest Jun 13, 2022

312

+349

This is a warning from my boss

\begin{pmatrix} I & am & back \\ people & fear & me \\ this & a & warning \end{pmatrix}

hipie Jun 13, 2022

271

Help

https://web2.0calc.com/questions/math_98458

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Guest Jun 13, 2022

317

+349

please help

$\displaystyle \prod_{n=3}^{5} n^{\frac{1}{2\pi}}$

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hipie Jun 13, 2022

All Questions ⁺⁰237779 Questions

help counting

help

Algebra

Math problem

help polygon

fractions help

maths

Fractions

Rachel and Elijah received a fixed amount of money every month.

https://web2.0calc.com/questions/math_16708

Math

Equation of line

Solving a Multiplication Equation 1

Algebra

How many three-letter arrangements can be made from the letters in MOUSEPAD if no letter can be used more than once and each arrangement is

Vote (off topic)

function

Math

Equation

If four dice are rolled and the number of 1's, 2's, 3's, 4's, 5's, and 6's are recorded, how many possible results are there?

question

function

This is a warning from my boss

Help

please help

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