All Questions

288

Algebra

Boris is playing on the mall escalators. One escalator goes up, one goes down, and one is out of service; otherwise, they're all identical. The up and down escalators go at the same speed. You can assume that Boris always runs at the same speed.
Boris read more ..

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Guest Apr 15, 2022

318

The angular velocity of a tire is 100 radians per second. The tire has a radius of 17 inches. How many revolutions does the tire make in 5 m

angular velocity stuff

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Guest Apr 15, 2022

276

Parabola question

Find the vertex of the graph of the equation y=-2x^2+18x-15+x^2-6x+1 .

BuilderBoi ●

Guest Apr 15, 2022

268

Parabola

The graph of y=ax^2+bx+c is given below, where a, b, and c are integers. Find a-b+c.

read more ..

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Guest Apr 15, 2022

276

help hard geometry

Two diagonals of a parallelogram have lengths 6 and . What is the largest possible length of the shortest side of the parallelogram?

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Guest Apr 15, 2022

292

Exponents

For what value of n are (1/9)^3 and 9^n*27^n equal?

BuilderBoi ●●●●●

Guest Apr 15, 2022

291

Triangle geo

Two angles of a triangle measure 30 and 45 degrees. If the side of the triangle opposite the 30-degree angle measures units, what is the area of the triangle? Express your answer as a decimal to the nearest tenth.

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Guest Apr 15, 2022

287

cos((π / 2) – x) = sin x

There is an image in here i promise

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Guest Apr 15, 2022

279

help algebra

If a + b = 69 and a^2 + b^2 = , find a^3 + b^3.

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Guest Apr 15, 2022

318

I NEED HELP

Catherine rolls a -sided die five times, and the product of her rolls is 300. How many different sequences of rolls could there have been? (The order of the rolls matters.)

Hi. Some people have posted questions similar read more ..

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Guest Apr 15, 2022

260

Number Theory

How many integers m are there such that 0 < m < 100 and gcd(m, 1001) is a single-digit number?

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Guest Apr 15, 2022

352

PLS HALP

A stick has a length of 5 units. The stick is then broken at two points, chosen at random. What is the probability that all three resulting pieces are SHORTER THAN THREE UNITS.

Many people have posted 4/25, 16/25 but those are wrong, read more ..

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Guest Apr 15, 2022

282

Triangle question

What is the smallest possible perimeter, in units, of a triangle whose side-length measures are consecutive odd integer values?

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Guest Apr 15, 2022

246

Quadratic

The quadratic x^2-3x+1-8x+11 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 Apr 15, 2022

247

Quadratic

The equation y = -6t^2 + 83t describes the height (in feet) of a projectile seconds after it is launched from the surface of Mars at 83 feet per second. In how many seconds will the projectile first reach feet in height? Express your answer as a decimal read more ..

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Guest Apr 15, 2022

270

Analytic geometry

Give that the line y=4x-14 passes through the point (k,k+1), find the value of k.

BuilderBoi ●

Guest Apr 15, 2022

301

Counting

How many ways are there to answer a 10-question true/false test, where at least of the questions have been answered with a false?

BuilderBoi ●●●●

Guest Apr 15, 2022

298

help circles

The equation of a circle which has a center at (-5, 2) can be written as Ax^2 + 2y^2 + Bx + Cy = . Find the radius of the circle

qjin27 ●●●

Guest Apr 15, 2022

323

Need help understanding how to do this

A supermarket display consists of boxes of cereal. The bottom row has 63 boxes. Each row has seven fewer boxes than the row below it. The display has six rows.
(a) Write and use a function to determine how many boxes are in the top row. read more ..

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Guest Apr 15, 2022

267

plz help

by multiplying both sides of the equation by x^1/2 and using a suitable substitution solve:
2x^1/2=12x^(-1/2)-5

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Guest Apr 15, 2022

285

vectors

hi i need help on these two questions .plz may you help

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Guest Apr 15, 2022

268

Parabolas

The vertex of a parabola is at (12, -4), and its axis of symmetry is vertical. One of the x-intercepts is at . What is the x-coordinate of the other x-intercept?

BuilderBoi ●

Guest Apr 15, 2022

263

plz help

you are given that x=5^m and y=5^n. write the following n terms of x and y(or both)
1)5^(7m+1)
2)25^(m+n)
3)(1/125)^n read more ..

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Guest Apr 15, 2022

279

Algebra

Given that
1/x + 1/y = 1/3
xy + x + y = 4
read more ..

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Guest Apr 15, 2022

All Questions ⁺⁰236343 Questions

Algebra

The angular velocity of a tire is 100 radians per second. The tire has a radius of 17 inches. How many revolutions does the tire make in 5 m

Parabola question

Parabola

help hard geometry

Exponents

Triangle geo

cos((π / 2) – x) = sin x

help algebra

I NEED HELP

Number Theory

PLS HALP

Triangle question

Quadratic

Quadratic

Analytic geometry

Counting

help circles

Need help understanding how to do this

plz help

vectors

Parabolas

plz help

Algebra

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