All Questions +0 235535 Questions

If is an integer and the root(s) of the quadratic expression 1/2*x^2 + sx - 1/3 = 0 are integers, find the sum of all possible values of s.

Guest Feb 1, 2022

192

Quadratic

Guest Feb 1, 2022

330

Quadratic

Fill in the blank to make the quadratic below the square of a binomial:
9x^2 + 5x + ___

Find the integer $n,$ $-90 < n < 90,$ such that $\tan n^\circ = \tan 1000^\circ.$

Guest Feb 1, 2022

+10

321

+289

HELPPPP

When we expand (2x+2)^6 what is the coeeficent of the term x^4?

Glowlife Feb 1, 2022

301

Algebra

Which of the following best describes the slope of a vertical line?
A. Zero
B. Positive
C. Negative read more ..

Guest Feb 1, 2022

397

Which of the following best describes the slope of a vertical line?

Find the volume of the cube in centimeters3 and enter your answer below. Do not include units in your answer. cube 5cm 5cm 5cm

Guest Feb 1, 2022

349

Find the volume of the cube in centimeters3 and enter your answer below. Do not include units in your answer.

The graph of y = ax^2 + bx + c is shown below. Find a times b times c. (The distance between the grid lines is one unit.)

Guest Feb 1, 2022

313

Graphing

Games Galore Super Store buys the latest video game at a wholesale price of $30.00 . The markup rate at Game’s Galore
Super Store is 40 %. You use your allowance to purchase the game at the store. How much will you pay, not including
tax? read more ..

Guest Feb 1, 2022

358

Games Galore Super Store buys the latest video game at a wholesale price of $30.00 . The markup rate at Game’s Galore Super Store is 40 %.

Solve the following system of equations if

(2x + 3y - 4z) = 19 (1)
(-y + 6z) = 23 (2)
read more ..

Guest Feb 1, 2022

304

Solve the following system of equations if

A positive integer is interesting if it is a product of two (not necessarily distinct) primes. What is the greatest number of consecutive positive integers all of which are interesting?

Guest Feb 1, 2022

274

Number Theory

x is a positive number, where xy is a prime number.
State how many solutions there are.

Guest Feb 1, 2022

326

x is a positive number, where xy is a prime number. State how many solutions there are.

Marvin the fly start at (0,0). Each step, Marvin moves one unit right or one unit up. He is trying to get to the point (5,7). However, at (4,4) there is a frog that will eat him if he goes through that point. In how many ways can Marvin reach (5,7)? read more ..

Guest Feb 1, 2022

234

Please help

Let x be the smallest positive integer such that 1584 * x is a perfect cube, and let y be the smallest positive integer such that xy is a multiple of 1584. Compute y

Guest Feb 1, 2022

296

Number Theory

The ratio of income of Anun and Banun is 7 and 9. While the saving ratio of both is 4000 and 6000. If the expenditure of A is 83.3% of B then what is the total income of both? Thank you for help.

Guest Feb 1, 2022

204

Salaries

Guest Feb 1, 2022

320

Binomial

If a is a constant such that 9x^2 + 36x + a is the square of a binomial, then what is a?

What is this??? is this an error??

Guest Feb 1, 2022

344

+69

Help me understand this.....

Amaya and Bo each roll a fair, ordinary six-sided die with the numbers 1,2,3,4,5,6 on the sides. What is the probability that Amaya rolls a number at least two than Bo? Enter your answer as a fraction in simplified form.

MusicalMalfunction Feb 1, 2022

291

Probability

Find all integers x for which there exists an integer y such that 1/x + 1/y =

Guest Feb 1, 2022

305

Number Theory

The non-negative real numbers x, y, and z satisfy the two equations
x^2 + y^2 + z^2 = 9
xy + xz + yz = 18
What is the sum of x, y, and z? read more ..

Guest Feb 1, 2022

308

Hard algebra

For what constant k is 1 the minimum value of the quadratic 3x^2 - 12x + k over all real values of x? (x cannot be nonreal)

Guest Feb 1, 2022

292

need help with quadratic

What is the largest positive integer value of m such that the equation:
3x^2-mx+21=0
has no real solutions?

Guest Feb 1, 2022

297

Quadratic equation please help ASAP

Suppose a, b, c, and d are real numbers which satisfy the system of equations
a + 2b + 3c + 4d = 10
4a + b + 2c + 3d = 4
3a + 4b + c + 2d = -10 read more ..

Guest Feb 1, 2022

324

System

In triangle ABC let the angle bisectors be BY and CZ. Given AB = 8, AY = 6 and, CY = 3 find BC.

Guest Feb 1, 2022

248

Quick geometry problem

Is x + y = 3 direct or inverse?

Guest Feb 1, 2022

319

Direct or Inverse