All Questions

354

sin(x)=cos(2x+(pi/3))

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Guest Oct 22, 2021

251

Geometry

Lines l and k are parallel to each other. Angle A = 120 degres. What is the number of degrees in angle B?

read more ..

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Guest Oct 22, 2021

474

+505

Precalc anyone?

Okay, I don't even know where to start on this question. Hints (not full solution would be helpful :D )

Find all possible values of if .

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MobiusLoops Oct 22, 2021

251

Geometry

Circles A, B, and C are externally tangent to each other. If AB = 14, BC = 18, and AC = 19, then find the radii of each of the circles.

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Guest Oct 22, 2021

267

Pls help! Thks.

Danny had some $2 and $5 notes. He spent 3/5 of the $2 notes and 1/4 of the $5 notes on a present. As a result, he had $238 left. The total value of the $5 notes left was $182 more than the total value of the $2 notes left. Find the ratio of the number read more ..

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Guest Oct 22, 2021

269

hi please help thanks!

Jane and Linda baked some muffins in the ratio of 3:5. After Jane baked another 42 muffins and Linda sold 1/6 of her muffins, they had the same number of muffins. Find the total number of muffins the two girls baked at first.

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Guest Oct 22, 2021

252

help math

For how many integers where 2 <= n <= 100 is n(n + 1) odd?

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Guest Oct 22, 2021

256

help trig

In triangle ABC, cos B = 3/5 and angle A is 90 degrees. What is cos A?

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Guest Oct 22, 2021

397

+140

Intermediate Algebra

Answer with explanation please. Thanks

Let be a nonreal root of Find the number of ordered pairs of integers such that read more ..

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sherwyo Oct 22, 2021

243

Geometry

The tangent to the circumcircle of triangle WXY at X is drawn, and the line through W that is parallel to this tangent intersects at Z. If XY = 14 and $WX = 15$ find YZ.

read more ..

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Guest Oct 22, 2021

242

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 = 3*PQ^2 + k.

If A = (4,-1), B = (8,-2), and C = (1,-11), then find the constant read more ..

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Guest Oct 22, 2021

259

geometry problem

The square shown is divided into 4 congruent rectangles. If the perimeter of each rectangle is 144 units, what is the perimeter of the square?

read more ..

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Guest Oct 22, 2021

237

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 2. What is the remainder when N is divided by 12?

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Guest Oct 22, 2021

218

plz help

You have linear functions p(x) and q(x). You know p(2)=3, and $p(q(x))=4x+17$ for all $x$. Find q(-1).

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Guest Oct 22, 2021

186

Algebra

Consider the polynomial P(x) = x^4 - 3x^3 + 5x^2 - 7x + 9. Let its four roots be a, b, c, d. Evaluate the expression (a + b + c)(a + b + d)(a + c + d)(b + c + d).

Guest Oct 22, 2021

381

+83

The vowel counting machine below takes in names and puts out a number based on the number of vowels in the name.(Vowels are the letters:

Practice Problem: 1) The vowel counting machine below takes in names and puts out a number based on the number of vowels in the name.(Vowels are the letters: a, e, i, o, u.) What are the inputs and outputs? (Image below)
read more ..

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smasai1 Oct 22, 2021

218

Plz help

There were baseballs, tennis balls and softballs in a basket. 2/7 of the balls were baseballs. There were 21 fewer tennis balls than baseballs. The rest wer 54 softballs. How many balls were there in the basket altogether?

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Guest Oct 22, 2021

401

Need help ASAP

Elliot had some red, blue and green pens for sale. There were 48 more
blue pens than green pens. He had 10 more red pens than blue pens.
After selling 3/4 of the blue pens and 1/2 of the green pens, there were 315
pens left. read more ..

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Guest Oct 22, 2021

188

Graph

y=1/4x

y=3/4x+2

Guest Oct 22, 2021

350

Help!

I drove to the beach at a rate of 40 miles per hour. If I had driven at a rate of 30 miles per hour instead, then I would have arrived 20 minutes later. How many miles did I drive?

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Guest Oct 22, 2021

361

Operations

Let a * b = a + sqrt(b + sqrt(b + sqrt(b + ...))). If 7 * g = 19, find the value of g.

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Guest Oct 22, 2021

322

+10

Help!

Let a1,a2,a3,a4...an be real numbers such that Find the maximum value of

Thanks so much!

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littlepetwolf Oct 22, 2021

330

help plz

Sort the numbers 2^{55}, 3^{44}, 4^{33} in increasing order.

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Guest Oct 22, 2021

246

System problem

Given

px + qy + rz = 1
p + qx + ry = z read more ..

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Guest Oct 22, 2021

231

hard algebra help

If x = 1 + x/(2 + x/(2 + x/(2 + x/(2 + ...)))), then what is x?

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Guest Oct 22, 2021

All Questions ⁺⁰232979 Questions

sin(x)=cos(2x+(pi/3))

Geometry

Precalc anyone?

Geometry

Pls help! Thks.

hi please help thanks!

help math

help trig

Intermediate Algebra

Geometry

Coordinates

geometry problem

Number Theory

plz help

Algebra

The vowel counting machine below takes in names and puts out a number based on the number of vowels in the name.(Vowels are the letters:

Plz help

Need help ASAP

Graph

Help!

Operations

Help!

help plz

System problem

hard algebra help

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