All Questions

271

Rate problem

My friend sets out walking at a speed of 3 miles per hour. I set out behind her minutes later at 4 miles per hour. For how many minutes will my friend have been walking when I catch up to her?

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Guest May 22, 2022

345

+349

what is this

\sqrt{9-5+5-9+5-9+5}

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hipie May 22, 2022

263

Decimals

For how many integer values of n between 1 and 1000 inclusive does the decimal representation of n/1375 + n/3 terminate?

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Guest May 22, 2022

327

Function

Let f(x)=3x^2 - 4x - x^2 + 7x + 8. Find the constant k such that f(x)=f(k-x) for all real numbers x.

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Guest May 22, 2022

222

Sum

Find the last two digits of the following sum: 5 + 10 + 15 + ... + 100.

Guest May 22, 2022

332

+289

simplify

Simplify \[\frac{\sqrt{45 + \sqrt{1}} + \sqrt{45 + \sqrt{2}} + \sqrt{45 + \sqrt{3}} + \dots + \sqrt{45 + \sqrt{2024}}}{\sqrt{45 - \sqrt{1}} + \sqrt{45 - \sqrt{2}} + \sqrt{45 - \sqrt{3}} + \dots + \sqrt{45 - \sqrt{2024}}}.\]

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Glowlife May 22, 2022

203

Coordinates

A point (2, n) is 5 units away from the point . What is the product of all possible integer values for n?

Guest May 22, 2022

357

Rhombus

Rhombus ABCD$ has perimeter 148, and one of its diagonals has length . How long is the other diagonal?

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Guest May 22, 2022

333

plz help im stuck on this question

Find the smallest real value of $x$ such that $x^2+6x + 9 = 24$.

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Guest May 22, 2022

223

Algebra problem

A basketball player shoots a free throw from the foul line. The equation of the path it will travel is h = -4.9t^2 + 10t + 1.2 which gives the approximate height, h, of the basketball in meters after t seconds. When does the ball reach a height read more ..

Guest May 22, 2022

320

Quadratic

Find the quadratic polynomial f(x) such that f(0) = 3, f(1) = -5, and f(2) = 7.

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Guest May 22, 2022

218

Mi a szorzás szabály?

Guest May 22, 2022

198

Proportion

The value of y varies inversely as sqrt x and when x=2, y=. What is x when y=1?

Guest May 22, 2022

353

Polynomial

Find the number of terms when the expression (1 + x)^10*(1 - x)^10 is expanded completely.

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Guest May 22, 2022

325

help is appreciated

Let $a,$ $b,$ $c,$ $d,$ $e,$ $f$ be nonnegative real numbers.
(a) Prove that
(b) Prove that

thank you in advance read more ..

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Guest May 22, 2022

206

Thermodynamics Question ASAP

Need it asap

Guest May 22, 2022

304

number theory problem

Duncan found a set of positive integers less than 50 such that no two of them sum to a multiple of . What is the largest number of integers in Duncan's collection?

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Guest May 22, 2022

324

quadratic

The quadratic x^2-8x+1 can be written in the form ,(x+b)^2+c where b and c are constants. What is b+c?

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Guest May 22, 2022

270

Help

1/4 of the spectators at a basketball tournament are women. The number of girls is 2/5 the number of women. The number of men is 6 times the number of girls. The number of boys is 770 fewer than the number of men. How many spectators are at the basketball read more ..

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Guest May 22, 2022

314

Polynomial

Factor x^8 - y^8 as the product of four polynomials of degree 1, each of which has a positive coefficient of x.

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Guest May 22, 2022

-1

298

18 persons, 1 infected..

If 18 persons are in a room, 1-9 areinfected with COVID, if 3 tests randomly conducted, likelihood that all 3 will come back negative? For each case 1-9 infected the same situation, with 2 infectied persons, and the same situation with 3 infected persons....up read more ..

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bradpepi May 22, 2022

-1

308

+614

confusion of both questions..

Hi, I know Im not suppsoed to do 2 questions per forum however I dont know the difference between these two problems and why the calculation process at the end is different from each other.

1) A tennis ball is shot vertically to a read more ..

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xxJenny1213xx May 22, 2022

296

fractions

Insert three fractions between and so the five fractions form an arithmetic sequence. What is the sum, expressed as a common fraction, of these three new fractions?

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Guest May 22, 2022

359

ellipses

In the coordinate plane, let A = (-2,0) and B = (2,0) Let C be a variable point on the ellipse \frac{x^2}{4} + y^2 = 1
and let H be the orthocenter of triangle ABC As C varies on the ellipse, the point H traces read more ..

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Guest May 22, 2022

All Questions ⁺⁰237779 Questions

Rate problem

what is this

Decimals

Function

Sum

simplify

Coordinates

Rhombus

plz help im stuck on this question

Algebra problem

Quadratic

Mi a szorzás szabály?

Proportion

Polynomial

help is appreciated

Thermodynamics Question ASAP

number theory problem

quadratic

Help

Polynomial

18 persons, 1 infected..

confusion of both questions..

fractions

ellipses

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