All Questions

259

Counting

The six faces of a three-inch wooden cube are each painted red. The cube is then cut into one-inch cubes along the lines shown in the diagram. How many of the one-inch cubes have red paint on exactly two faces?

read more ..

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Guest Mar 15, 2022

-1

298

help

hhelp meeee

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Guest Mar 15, 2022

-4

1393

+118613

How to make an empty rectangle in Latex

I just worked out how to make an empty box of various horizonal size easily in LaTex.
This is not a recommended method, but other methods that I have tried here have not worked.
This coding is really simple. Just put letters inside read more ..

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Melody Mar 15, 2022

307

Three pencils and rubbers erasers cost 40 cents and pencils and five rubbers cost 67 cents what is cost of one pencil?

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Guest Mar 15, 2022

191

help please

Clothes order: 2 skirts, $40 each 2 shirts, $33 Sales tax: 6 1/2% Shipping charge $7.85 What’s the total cost?

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Guest Mar 15, 2022

396

Math

Nick, worker of the Plasticase, Inc., works on a 48 hours a week basis with time and a half for overtime. If he works 60 hours in one week, what is his total pay? His rate is 17.25.

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Guest Mar 15, 2022

519

New Question. Need Help

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Guest Mar 15, 2022

283

what does the x mean in 8x=-32?

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Guest Mar 15, 2022

237

help algebra

Let $a$ and $b$ with $a>b>0$ be real numbers satisfying a^3+b^3=a+b. Find a^2 - ab + b^2.

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Guest Mar 15, 2022

262

geometry

Two sides of a parallelogram are 30 and 20. One diagonal has a length of 40. What is the length of the other diagonal?

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Guest Mar 15, 2022

144

Number theory

Find the sum of the positive square free divisors of .
Note: A natural number is square free if it is not the multiple of any perfect square greater than 1.

Guest Mar 15, 2022

216

need counting help

If I have four boxes arranged in a 2 x 2 grid, in how many distinct ways can I place the digits 1, 2, and 3 and 4 in the boxes such that each box contains at most one digit? (I only have one of each digit, so one box will remain blank.)

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Guest Mar 15, 2022

216

plz help counting

At Beaumont High School, there are 20 players on the basketball team. All 20 players are taking at least one of biology or chemistry. (Biology and chemistry are two different science courses at the school.) If there are 8 players taking biology and read more ..

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Guest Mar 15, 2022

261

Registering Error

Idk what it is but I keep inputting my email to register and it approves everything but at the end it says error cannot connect to database. How do I fix this?

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Guest Mar 15, 2022

Mar 14, 2022

309

+505

Precalc Scalars and Matrices

Every vector v can be expressed uniquely in the form a + b where a is a scalar multiple of and b is a scalar multiple of Find the matrix P such that Pv = a for all vectors v.

I tried to combine the two scalars, read more ..

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MobiusLoops Mar 14, 2022

426

math

How much must be paid on the due date of Oct 20, 2020, on a loan of 80,000 made on December 5, 2015 with interest of 44.5% compounded quarterly?

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Guest Mar 14, 2022

294

help counting

An ordinary 6-sided die has a number on each face from 1 to 6 (each number appears on one face). How many ways can I paint two faces of a die blue, so that the product of the numbers on the painted faces isn't equal to ?

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Guest Mar 14, 2022

283

Complete the missing value in the solution to the equation

−3x+7y=5x+2y
(-5,_)

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Guest Mar 14, 2022

273

Counting

What is the sum of all the positive two-digit integers where one of the digits is four times the other plus one?

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Guest Mar 14, 2022

193

algbra

It is also possible to set a letter to refer a constant. For e.g., if x is always equal to $2$2 , then $x$x is a constant. In the term $2xy$2xy , when y is a constant, the coefficient of the term read more ..

Guest Mar 14, 2022

366

Jenna collects stamps. She puts the same number of stamps on each page and then...

Jenna collects stamps. She puts the same number of stamps on each page and then inserts each page into one of her two stamp books. One of her stamp books has a total of 840 stamps. The other has 1008. What is the largest number of stamps that Jenna could read more ..

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Guest Mar 14, 2022

340

halp plzz

The infinite sequence $S=\{s_1,s_2,s_3,\ldots\}$ is defined by $s_1=7$ and $s_n=7^{s_{n-1}}$ for each integer $n>1$. What is the remainder when $s_{100}$ is divided by $5$?

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Guest Mar 14, 2022

450

math

Find the amount to be paid of a present value of 15,000 payable every three months for 10years, if the money is worth 5% compounded quarterly.

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Guest Mar 14, 2022

292

Mean, Median, and Mode.

The 8 students in Mr. Evans' class were asked how many minutes it takes them to get to school in the morning. Here is what they answered. 11, 13, 6, 15, 7, 9, 9, 4. Find the median and mean travel times for these students. If necessary, round your answers read more ..

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Guest Mar 14, 2022

All Questions ⁺⁰231309 Questions

Counting

help

How to make an empty rectangle in Latex

Three pencils and rubbers erasers cost 40 cents and pencils and five rubbers cost 67 cents what is cost of one pencil?

help please

Math

New Question. Need Help

what does the x mean in 8x=-32?

help algebra

geometry

Number theory

need counting help

plz help counting

Registering Error

Precalc Scalars and Matrices

math

help counting

Complete the missing value in the solution to the equation

Counting

algbra

Jenna collects stamps. She puts the same number of stamps on each page and then...

halp plzz

math

Mean, Median, and Mode.

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