All Questions ⁺⁰237994 Questions

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851

3

+118735

WELCOME BACK CPHILL !

Melody Feb 10, 2022

0

388

1

Quadratic equations

Fill in the blank with a constant, so that the resulting quadratic is the square of a binomial: x^2 + 5/4*x + ___

Guest Feb 10, 2022

0

374

1

Hard counting

How many 4-letter words with at least one vowel can be constructed from the letters A,B, C, D , E, and F ? (Note that B, C, D, and F are consonants, any word is valid, not just English language words, and letters may be used more than once.) read more ..

Guest Feb 10, 2022

0

385

1

Quadratic equations

Find the largest integer k such that the equation
5x^2 - kx + 8 = 4x^2
has no real solutions.

Guest Feb 10, 2022

0

376

1

Probability question

A five-digit number is chosen at random from all possible five-digit numbers. Find the probability that the number is NOT divisible by every element of ( 1,2,3,4,5)

Guest Feb 10, 2022

0

374

2

Math problem

How many different integers between 100 and 500 are multiples of either 6, 8, or both?

Guest Feb 10, 2022

+1

453

9

+1634

Algebra 2 Help!

Please help me with this sumation problem, I don't even know where to start with this...

●●●●●●●●●

proyaop Feb 10, 2022

0

379

1

System question

For a certain value of k, the system
x + y + 3z = 10,
-4x + 3y + 6z = 8,
kx + z = 3
has no solutions. What is this value of k?

Guest Feb 10, 2022

0

248

0

Minimum value

Find the minimum value of x^2 + xy + y^2 + 3x + 5y + 1 over all real numbers x and y.

Guest Feb 10, 2022

0

428

2

Algebra

Fill in the blank with a constant, so that the resulting expression can be factored as the product of two linear factors.
3mn - 6m + 15n + ___

Guest Feb 10, 2022

+1

379

2

world jew population

what is 8 billion divided by 15 million

Guest Feb 10, 2022

-1

427

1

+7

counting help

If I have 12 (indistinguishable) plain cookies and 1 chocolate chip cookie, how many ways can I put the cookies on my Grandma's 4 x 3 tray? The most cookies you can put on it is 12.

plz help.

ineedhelppleasse Feb 10, 2022

-1

385

3

+7

geometry help

If the volume of a cone is 133pi units^3, and the height is 12/7, what is the diameter of the base of the cone.

ineedhelppleasse Feb 10, 2022

0

379

2

3d geo

A circle has a radius of 25. A circular sector, with an angle of degrees at the center, is cut from the circle, and then rolled to form a cone. Find the volume of the cone.

Guest Feb 10, 2022

0

388

1

Counting problem

In a certain region all license plates are composed of three letters followed by three numbers, or four letters followed by two numbers. Find how many license plates are possible.

Guest Feb 10, 2022

+1

430

2

+1634

Welcome back!

Welcome back CPhill!

Hope you enjoyed your break

proyaop Feb 10, 2022

0

407

1

Two cubes

Two cubes of volumes and are glued together at their faces to form a solid with the smallest possible surface area. What is the number of square centimeters in the surface area of the resulting solid?

ElectricPavlov ●

Guest Feb 10, 2022

-1

398

1

plz help

A rectangular prism 3cm by cm by 8cm is painted mauve and is then cut into 1 cm cubes what is the total unpainted surface area of these cubes

Guest Feb 10, 2022

-1

389

1

Coefficients

Expand the product (x - 2)^2 (x + 2)^2 (x - 3). What is the product of the nonzero coefficients of the resulting expression, including the constant ter

Guest Feb 10, 2022

-1

374

2

geometry problem

Minor arc AB in the diagram is 30 degrees and the radius of the circle is 8. Find the area of circular segment AB.

Guest Feb 10, 2022

-1

381

1

Number Theory

How many of the factorials from 1! to 100! are divisible by ?

Guest Feb 10, 2022

-1

321

2

Number Theory

How many ordered pairs of positive integers (m,n) satisfy gcd(m,n) = 2 and lcm[m,n] = ?

Guest Feb 10, 2022

-1

375

1

Algebra

Find a monic quartic polynomial f(x) with rational coefficients whose roots include x = 1-sqrt2 and x=3+sqrt5. Give your answer in expanded form.

Guest Feb 10, 2022

0

370

1

Algebra

The graph y=3x^2+5x+2 is shifted to the left by units. The resulting graph has equation y=ax^2+bx+c. Find a+b+c

ElectricPavlov ●

Guest Feb 10, 2022

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