All Questions

339

help

Five different rockets, A, B, C, D and E, are to be launched from two separate launch pads labeled 1 and 2. Each pad can accommodate only one rocket at a time. The rockets can launch from either pad, in any order and at any time (sequentially or simultaneously). read more ..

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Guest Sep 13, 2021

386

one dose of medicine is 1.25 milliliter.how many doeses are in a bottle containing 40 milliliters?

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Guest Sep 13, 2021

Sep 12, 2021

479

+234

parallel lines logic. Is my answer correct?

What is the relationship between the slopes of two parallel lines?

a) two distinct nonvertical lines are parallel if their slopes are reciprocals; that is, the lines with the queation y = MX + b are parallel if and only if mM = 1 read more ..

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BLANK Sep 12, 2021

1251

+234

Trigonometry question

Two ladders of length a lean against opposite walls of an alley with their feet touching. One ladder extends h feet up the wall and makes a 75° angle with the ground. The other ladder extends k feet up the opposite wall and makes a
45° angle read more ..

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BLANK Sep 12, 2021

248

Algebra

Write down the quadratic equation whose roots are x = 1 and x = -7 and the coefficient of x is 1.

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Guest Sep 12, 2021

236

Algebra

Let t(x) = 3x - 8 and s(t(x)) = x^2 + 8x - 2. Find s(1).

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Guest Sep 12, 2021

256

I NEED HELP FAST

A standard deck of cards has 52 cards divided into 4 suits, each of which has 13 cards. Two of the suits ( and , called 'hearts' and 'diamonds') are red, the other two ( and , called 'spades' and 'clubs') are black. read more ..

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Guest Sep 12, 2021

226

help pls

The value of 400,000 squared can be written as 16*10^n. What is the value of n?

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Guest Sep 12, 2021

335

help with math

The positive difference between two consecutive even perfect squares is 228. Compute the larger of the two squares.

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Guest Sep 12, 2021

175

Quadratic

What is the maximum value of 4(x + 7)(2 + x) , over all real numbers x?

Guest Sep 12, 2021

327

Help!!!

The roots of the equation $2x^2 - 5x - 4 = 0$ can be written in the form $x = \frac{m \pm \sqrt{n}}{p}$, where $m$, $n$, and $p$ are positive integers with a greatest common divisor of 1. What is the value of $n$?

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Guest Sep 12, 2021

176

Coordinates

A segment with endpoints at A(2,-2) and B(14,4) is extended through B to point C. If BC = 3*AB, what are the coordinates for point C ? Express your answer as an ordered pair.

Guest Sep 12, 2021

227

help counting

How many copies of the digit 0 are there among the digits of the first 1000 positive integers?

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Guest Sep 12, 2021

243

!!? Help with number Theory

Let $n$ be a positive integer and let $k$ be the number of positive integers less than $2^n$ that are invertible modulo $2^n$. If $2^n \equiv 3\pmod{13}$, then what is the remainder when $k$ is divided by $13$? read more ..

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Guest Sep 12, 2021

235

plz help

Right triangle ABC has , AB=8,BC=15 and AC=17. Square XYZW is inscribed in triangle ABC with X and Y on AC , W on AB , and Z on BC. What is the side length of the square?

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Guest Sep 12, 2021

296

Domain

What is the domain of the real-valued function (2x - 7) sqrt(x^2 - 5x + 6)?

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Guest Sep 12, 2021

320

simple algebra

So, we have 3x^2 +5x + 7 = 0 (i need to find a b)

Find a/b and b/a
read more ..

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Guest Sep 12, 2021

185

help algebra

Let r and s be the roots of 3x^2 + 4x + 12 = 2x^2 - 7x + 5. Find r^2 + s^2.

Guest Sep 12, 2021

337

Coordinates

What is the shortest distance from the point (6, 0) to the line y = 2x + 8? Express your answer in simplest radical form.

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Guest Sep 12, 2021

294

Coordinates

A segment with endpoints at A(2,-2) and B(14,4) is extended through B to point C. If BC = 1/3*AC, what are the coordinates for point C? Express your answer as an ordered pair

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Guest Sep 12, 2021

210

Counting

A Senate committee has 5 Democrats and 5 Republicans. In how many ways can they sit around a circular table if all the Republicans sit together? (Two seatings are the same if one is a rotation of the other.)

Guest Sep 12, 2021

211

Geometry Help (ty)

For a triangle XYZ, we use XYZ to denote its area.
Let ABCD be a square with side length 1. Points E and F lie on BC and CD, respectively, in such a way that angle EAF = 45 degrees. If the area of CEF = 1/19, what is the area of AEF? read more ..

Guest Sep 12, 2021

254

решить уравнение в целых числах 61.2а + 55.2в + 43.7с = 3059

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Guest Sep 12, 2021

343

Algebra

Let p(x) = x2, q(x) = 2x3 + 1, and r(x) = 7x4 − 5x3 − 6x − 2. Find p(q(x)) + r(x).

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Guest Sep 12, 2021

175

Domain

What is the smallest real number x in the domain of the function g(x) = sqrt(x^2 - (x - 15)^2)?

Guest Sep 12, 2021

All Questions ⁺⁰230566 Questions

help

one dose of medicine is 1.25 milliliter.how many doeses are in a bottle containing 40 milliliters?

parallel lines logic. Is my answer correct?

Trigonometry question

Algebra

Algebra

I NEED HELP FAST

help pls

help with math

Quadratic

Help!!!

Coordinates

help counting

!!? Help with number Theory

plz help

Domain

simple algebra

help algebra

Coordinates

Coordinates

Counting

Geometry Help (ty)

решить уравнение в целых числах 61.2а + 55.2в + 43.7с = 3059

Algebra

Domain

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