All Questions ⁺⁰237243 Questions

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trapezoid

The diagonals of a trapezoid are perpendicular and have lengths 8 and 20. Find the length of the median of the trapezoid.

Guest Jul 2, 2022

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180

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quadratic

A portion of the graph of y=f(x) is shown in red below, where f(x) is a quadratic function. The distance between grid lines is 1 unit.
What is the sum of all distinct numbers x such that f(f(f(x)))=-3 ?

read more ..

Guest Jul 2, 2022

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223

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help coordinates

Let line l1 be the graph of 3x + 4y = -14. Line l2 is perpendicular to line l1 and passes through the point (-5, 1). If line l2 is the graph of the equation y = mx + b, then find m + b.

Guest Jul 2, 2022

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267

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Coordinates

Find B - A if the graph of Ax + By = 3 passes through (-7,5) and is parallel to the graph of 3x + y = -5.

Guest Jul 2, 2022

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230

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Coordinates

The equation of the perpendicular bisector of the line segment joining the points (-3,8) and (5,4) is y = mx + b. Find m + b.
Note: The perpendicular bisector of the line segment AB is the line that passes through the midpoint of read more ..

Guest Jul 2, 2022

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249

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stats

Laura will have seven test scores at the end of the semester. Each of the scores is a positive integer less than or equal to 100. Her first five scores are 80, 77, 65, 94, and 96. How many different values are possible for the median of her seven read more ..

Guest Jul 2, 2022

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192

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Algebra

Arrange the following numbers in increasing order:

A = 2^(1/4)/4^(1/3)
B = 128^12 read more ..

Guest Jul 2, 2022

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197

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Algebra

Solve for c: sqrt(4 + sqrt(8 + c)) + sqrt(2 + c) = 4*sqrt(2)

Guest Jul 2, 2022

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278

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help counting

I run a book club with n people, not including myself. Every day, for 365 days, I invite six members in the club to review a book. What is the smallest positive integer n so that I can avoid ever having the exact same group of six members read more ..

Guest Jul 2, 2022

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232

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Proportion

Suppose that x and y vary inversely and that y = 5 when x = 1. What is y when x = 5?

Guest Jul 2, 2022

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234

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sequence

The sum of the 8th element and the 12th element of an arithmetic progression is 246. The sum of the 10th and the 14th element is 298. What is the value of the 35th term?

Guest Jul 2, 2022

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190

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Time

if a child was born at 02:55 and at 03:00 the time goes back and at 02:05 the twin is born then who is older?

Guest Jul 2, 2022

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290

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+38

In triangle JKL, we have JK = JL = 25 and KL = 30. Find the inradius of triangle JKL and the circumradius of triangle JKL.

In triangle JKL, we have JK = JL = 25 and KL = 30. Find the inradius of triangle JKL and the circumradius of triangle JKL.

Bloom Jul 2, 2022

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227

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PLZ HELP!

Expand the following product: $\frac{2}{5}\left(\frac{5}{x} + 10x^2\right)$.

Guest Jul 2, 2022

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226

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быстрый решатель

я быстрый решатель примеров но я не понимаю как решить этот пример. у меня название быстрый решатель пресоедянттись ко мне я обезательно помогу и решу сложный пример.

Guest Jul 2, 2022

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177

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precalc

In triangle ABC, B = 30^\circ, AB = 150, and AC = 50. Find the sum of all possible values of BC.

Guest Jul 2, 2022

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180

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Logarithms

Simplify 3*log_9 (18) - log_{27} 81 + log_3 (2)

Guest Jul 2, 2022

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174

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quadratic

A ball travels on a parabolic path in which the height (in feet) is given by the expression -25t^2+75t+24+25t-16, where t is the time after launch. At what time is the height of the ball at its maximum?

Guest Jul 2, 2022

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174

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quadratic

What is the minimum possible value for y in the equation y=x^2+12x+5+x^2+4x+17?

Guest Jul 2, 2022

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256

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Geometry

The numerical value of a particular square's area is equal to four times the numerical value of its perimeter. What is the length of a side of the square?

Guest Jul 2, 2022

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187

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Counting

On the island of Mumble, the Mumblian alphabet has only 5 letters, and every word in the Mumblian language has no more than 5 letters in it. How many words are possible? (A word can use a letter more than once, but 0 letters does not count read more ..

Guest Jul 2, 2022

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209

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counting problem

How many integers between 100 and 800 have three different digits in increasing order? One such integer is 129.

Guest Jul 2, 2022

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220

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help with counting

A suitcase lock has 4 dials with the digits 0, 1, 2,..., 9 on each. How many different settings are possible if all four digits have to be different and the combination must be greater than 7000?

Guest Jul 2, 2022

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236

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help

What is the smallest distance between the origin and a point on the graph of ?

Guest Jul 2, 2022

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253

1

PLS HELP ASAP

Rationalize the denominator of: . The answer can be written as , where and are integers. Find the minimum possible value of .

Guest Jul 2, 2022

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