All Questions

367

Brad can type 1260 words in 1212 hour. What is Brad’s average typing rate in words per minute?

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bradmaster12 Dec 10, 2021

304

Math is fun

Sarah has 600 quarters and dimes in her piggy bank which totals $123.75. How many quarters does she have?

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Guest Dec 10, 2021

362

What is the vector that results from transforming vec a by the transformation matrix?

What is the vector that results from transforming vec a by the transformation matrix?
a=[5] and B=[2 -6]
[-3]. [8 -1]
read more ..

Guest Dec 10, 2021

277

coordinates

Let P be the point (0,5), let Q be the point (6,9), and let R be the point (10,0). Determine the area of triangle PQR.

Guest Dec 10, 2021

264

Quadrilateral

The angles of a quadrilateral are x, 5x + 15 degrees, 3x - 25 degrees, and 4x - 30 degrees. Find the measure of the largest angle of the quadrilateral.

Guest Dec 10, 2021

246

Algebra

Suppose

x/(x^3 - x^2 - 21x + 45) = A/(x + 5) + B/(x - 3) + C/(x - 3)^2
read more ..

Guest Dec 10, 2021

362

help pls

how many sequences x_1,x_2,x_3,...,x_7 can be formed in which all the x_i are integers greater than 0 and less than 6, and no two adjacent are equal

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Guest Dec 10, 2021

534

Infinite Sum. Can I get some help? I already made some progress but I dont know how to continue

Let
Then can be expressed in the form where and are positive integers. Find the smallest possible value of .

So far I know that a general expression for each factor is 5^(n/5^n) read more ..

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Guest Dec 10, 2021

388

Polynomials

Find the constant coefficient when the polynomial 3(x - 4) + 2(x^2 - x + 7) - 5(x - 1) - 3(x^3 - 7x^2 + 5x - 1) + 2(x - 4) is simplified.

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Guest Dec 10, 2021

363

Function

If f(x)=g(g(x))-g(x) and g(x)=2x+1, find f(3).

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Guest Dec 10, 2021

381

Polynomials

Find the coefficient of x when (7+8x)-3(2+6x+2x^2)+8(1+3x+4x^2+12x^3)+9(7-x^2-8x^3+13x^4) is simplified.

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Guest Dec 10, 2021

377

SolvingRightTriangles-InverseTrig

If AB has length 4 and AC has length 4, in a right triangle, what is the measure of angle B and C in degrees?

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Guest Dec 10, 2021

371

Help

In the sum of triangle PQR and angle P is angle Q is 60 What is the measure of angle R

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EliMan123 Dec 10, 2021

388

Polynomials

If f(x) is a polynomial of degree 3, and g(x) is a polynomial of degree 6, then what is the degree of polynomial 2f(x) + 4g(x)?

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Guest Dec 10, 2021

Dec 9, 2021

322

3d geometry

A regular tetrahedron is a triangular pyramid in which each face is an equilateral triangle. If the height of a regular tetrahedron is 20 inches then what is the volume of the tetrahedron?

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Guest Dec 9, 2021

373

3d geometry

Rectangle ABCD is the base of pyramid PABCD. If AB = 8, BC = 4, and the height of the pyramid is 6, then what is the volume of PABCD?

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Guest Dec 9, 2021

+11

507

+483

Polynomials

Let be a polynomial of degree 5 such that for . Find

abcdefghijklmnopqrst ●●●●●●●●●●●●●●●●●●●●●

abcdefghijklmnopqrst Dec 9, 2021

373

Algebra

Simplify (1+3+5+...+199+201+203)/(2+4+6+...+200+202+204).

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Guest Dec 9, 2021

375

Algebra

Suppose that for some a,b,c we have a+b+c = 6, ab+ac+bc = 5 and abc = 12. What is a^3+b^3+c^3?

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Guest Dec 9, 2021

394

Complex series

Evaluate 1 + i/2 + 1/4 + i/8 + 1/16 + i/32 + ... (where i is the imaginary unit). Express your answer in the form a+bi, where a and b are real.

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Guest Dec 9, 2021

404

math triangles

2x - 73 + 11 = 180

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Guest Dec 9, 2021

368

help polynomials

There is a polynomial which, when multiplied by x^2 + 2x + 3, gives 2x^5 + 3x^4 + 5x^3 + 2x^2 + 9x + 9. What is that polynomial?

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Guest Dec 9, 2021

387

how many solutions

How many solutions? 3x+9-6x(6+8)=7(7+3)

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Guest Dec 9, 2021

376

Counting problem

What is the coefficient of x in (x^4 + x^3 + x^2 + x + 1)^5?

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Guest Dec 9, 2021

All Questions ⁺⁰237665 Questions

Brad can type 1260 words in 1212 hour. What is Brad’s average typing rate in words per minute?

Math is fun

What is the vector that results from transforming vec a by the transformation matrix?

coordinates

Quadrilateral

Algebra

help pls

Infinite Sum. Can I get some help? I already made some progress but I dont know how to continue

Polynomials

Function

Polynomials

SolvingRightTriangles-InverseTrig

Help

Polynomials

3d geometry

3d geometry

Polynomials

Algebra

Algebra

Complex series

math triangles

help polynomials

how many solutions

Counting problem

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