All Questions ⁺⁰238459 Questions

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369

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Quadratic

For what real values of c is 4x^2 + 14x + c - 2x^2 - 10x the square of a binomial?

Guest May 15, 2022

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322

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math

which is equivalent to -7(y-2)

Guest May 15, 2022

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377

1

Coordinates

Points A, B, and c are given in the coordinate plane. There exists a point Q and a constant k such that for any point P,
PA^2 + PB^2+PC^2=3PQ^2 + k
If A = (4, -1), B = (-3, 1), and C = , then find the constant k.

Guest May 15, 2022

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368

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Triangle

A right triangle has legs of length 6 and b, and a hypotenuse of length c. The perimeter of the triangle is 15. Compute c.

Guest May 15, 2022

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273

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Mod arithmetic

The solution of 8x+1= 5 + 3x (mod 12) is x = a (mod m) for some positive integers m >= 2 and a. Find m + a.

Guest May 15, 2022

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369

1

Coordinates

What is the x-coordinate of the point on the x-axis that is equidistant from points A(-2,4) and B(0,18)?

Guest May 15, 2022

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382

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Algebra

A basketball player shoots a free throw from the foul line. The equation of the path it will travel is h = -4.9t2 + 18t + 1.2 which gives the approximate height, h, of the basketball in meters after t seconds. When does the ball reach its maximum read more ..

Guest May 15, 2022

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329

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Help with degrees

A typical drag strip is 1/4 mile long or 402 m.
Suppose a set of bleachers 3 m deep are set up 20 m away from the track. (Work in degree mode)

Which position in the bleachers requires you to turn your head farthest read more ..

Guest May 15, 2022

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384

1

Polynomial

Find a monic quartic polynomial f(x) with rational coefficients whose roots include x = 1 - sqrt(2) and x = 2 + sqrt(7).

Guest May 15, 2022

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316

2

Number Theory

What is the smallest positive integer n such that 2n is a perfect square and 3n is a perfect cube and 5n is a perfect fifth power?

Guest May 15, 2022

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369

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help geometry

In triangle ABC, AB = AC. Point P lies on line AB such that CP = BC. If angle APC = 116 degrees, what is angle ACP(in degrees)?

Guest May 15, 2022

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416

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+308

Law of Sines and Cosines

notsmart2.0 May 15, 2022

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363

1

Please Answer ASAP

Of the 10 kids in a chess club, 5 are left-handed and 5 are right-handed. The club holds a round-robin tournament in which every player plays against every other player exactly once. Of all the matches, how many of them have two left-handed players? read more ..

Guest May 15, 2022

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390

1

Algebra

If f(x) is a monic quartic polynomial such that f(-1)=-1, f(2)=-4, f(-3)=9, and f(4)=-16, find f(1).

Guest May 15, 2022

May 14, 2022

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383

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Number Theory

If 3x+7 = 2 (mod 16), then 2x+11+4x is congruent (mod 16) to what integer between 0 and 15, inclusive?

Guest May 14, 2022

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372

1

What is the radius of the circle x2+y2–9=0?

What is the radius of the circle x2+y2–9=0?

Guest May 14, 2022

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346

1

cosine law

Guest May 14, 2022

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374

1

Sine Law

Guest May 14, 2022

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358

1

Trig

Guest May 14, 2022

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380

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trig problem

Guest May 14, 2022

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358

1

Graphing Functions

For any real number k, the graph of y = 7x^2 + kx - 8k + 3x^2 - 4x + 2 passes through a fixed point (a,b) Find (a,b).

Guest May 14, 2022

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365

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Infinite product

Let
Then P can be expressed in the form a^(b/c) where a, b, and c are positive integers. Find the smallest possible value of a+b+c.

Guest May 14, 2022

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279

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Range

Let f(x) = x - 3 for x > -2, and f(x) = 2x - 1 for x < -2. (f(x) is not defined at x = -2.) Which integer is not in the range of f(x)?

Guest May 14, 2022

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373

2

+308

Trigonometry, Law of Sines and Cosines

1. Find BC.

2. Find AC. read more ..

notsmart2.0 May 14, 2022

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