All Questions ⁺⁰237827 Questions

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299

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Algebra

Consider the polynomials f(x)=1-12x+3x^2-4x^3+6x^4 and g(x)=3-2x-6x^3+9x^4.

Find c such that the polynomial f(x) + cg(x) has degree 3.

Guest Dec 18, 2021

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343

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trig question

How many values of $x$ with $0^\circ \le x < 360^\circ$ satisfy $\sin x = -1$?

Guest Dec 18, 2021

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405

1

Polynomial Division

Hi, can someone help me find the roots of Q(x) = 12x^3 - 28x^2 - 9x + 10?

Thanks!

Guest Dec 18, 2021

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373

2

What is 7x3? 21!

What is 7x3? 21!

Guest Dec 18, 2021

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407

1

х²у(у⁴+ху⁵) Выполнить умножение

х²у(у⁴+ху⁵)

Guest Dec 18, 2021

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402

1

Number Theory

N is a positive integer. When N is divided by 3, the remainder is 2. When N is divided by 4, the remainder is 1. What is the remainder when N is divided by 12?

Guest Dec 18, 2021

+1

431

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Triangles

Altitudes AD and BE of triangle ABC intersect at H. If BAC = 54 and ABC = 56, then what is angle AHB?

Guest Dec 18, 2021

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269

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Geometry

In PQR , we have PQ= QR =34 and PR=38 . Find the length of median QM .

Guest Dec 18, 2021

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323

1

System problem

Real numbers x and y satisfy
x + xy = 250y
x - xy = -240y
read more ..

Guest Dec 18, 2021

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305

1

Number Theory

How many multiples of 9 are between 100,000 and 100,185, 723?

Guest Dec 18, 2021

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299

1

Algebra

Find the positive difference between the solutions to the equation 6t^2 + 30 = 47t.

Guest Dec 18, 2021

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449

4

+47

need help, attempted but I got wrong most likely bc of the small errors

The positive integers1,2,3... are listed in order. What is the 1000th positive integer with an odd number of digits?

bruhlmao Dec 18, 2021

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280

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Function

The function f(n) satisfies f(1) = 1 and f(2n + 1) = f(n) + 2 for n >= 0. Find f(15).

Guest Dec 18, 2021

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405

1

Algebra

The square root of 2x is greater than 3 and less than 40. How many integer values of x satisfy this condition?

Guest Dec 18, 2021

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251

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Geometry

Two altitudes of a triangle have length 12 and $16$. What is the longest possible integer length of the third altitude.

Guest Dec 18, 2021

Dec 17, 2021

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396

2

Polynomials

Suppose that P(x) is a polynomial with rational coefficients that has a root at x = 8 + sqrt(3). Find another root of P(x).

Guest Dec 17, 2021

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257

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Geometry

All the sides of a triangle have integer length. The perimeter of the triangle is $18$. How many such non-congruent triangles are there? (A 3-4-5 triangle is considered congruent to a 3-5-4 triangle because we can reflect and rotate the read more ..

Guest Dec 17, 2021

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259

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Function problem

Let f be defined by
f(x) = 2 - 2x if x <= 1
f(x) = 2x - 2x^2 if x > 1
read more ..

Guest Dec 17, 2021

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314

1

help

Rick is at Town A and Steve is at Town B. Both towns are connected by a road 110 k-
long. Rick starts driving at an average speed of 70 km/h from A towards B at 9,00 am
At 9,30 am, Steve starts driving from B towards 1 at an average speed of 80 kmh.
(a) read more ..

Guest Dec 17, 2021

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416

2

Find the sum of the even numbers from

Find the sum of the even numbers from
62 to 162, inclusive.

Guest Dec 17, 2021

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338

1

Quadratic

The equation y = -16t^2 + 28t + 144 describes the height (in feet) of a ball tossed up in the air at 28 feet per second from a height of 144 feet from the ground. In how many seconds will the ball reach a height of 150 feet? Round your answer to the read more ..

Guest Dec 17, 2021

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411

1

trig problem

In right triangle XYZ with YXZ = 90 degrees, we have XY = 24 and YZ = 28. Find tan Y.

Guest Dec 17, 2021

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249

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Geometry

A triangle with integer sides has perimeter $15$. How many such non-congruent triangles are there? (A 3-4-5 triangle is considered congruent to a 3-5-4 triangle because we can reflect and rotate the triangles until they match up.)

Guest Dec 17, 2021

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395

1

Coordinates

Find the equation whose graph is shown below. Write your answer in standard form.

Guest Dec 17, 2021

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271

1

Geometry

All the sides of a triangle have integer length. One of the sides has length $28$. What is the smallest possible perimeter of the triangle?

Guest Dec 17, 2021

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