All Questions ⁺⁰230690 Questions

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449

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reflected graph

The graph of (x + 3)^2 + (y - 7)^2 = 16 is reflected over the line y = 2. The new graph is the graph of the equation x^2 + Bx + y^2 + Dy + F = 0 for some constants B, D, and F. Find B + D + F.

Guest Dec 1, 2020

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264

1

system of congruences

Find all numbers for which the system of congruences
x = r (mod 6)
x = 13 (mod 20)
x = 38 (mod 45)
has a solution. read more ..

Guest Dec 1, 2020

0

418

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икс

икс минус 19 равно 36 чему равин икс

Guest Dec 1, 2020

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360

1

quadratic

The quadratic x^2-5x+1 can be written in the form (x+b)^2+c, where b and c are constants. What is b+c?

Guest Dec 1, 2020

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346

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Find the smallest four-digit number

Find the smallest four-digit number that is divisible by each of the five smallest prime numbers.

Guest Dec 1, 2020

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441

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graph

The graph of y = ax^2 + bx + c passes through points (0,5), (1,8), and (2,19). Find a + b + c.

Guest Dec 1, 2020

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310

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12 divided by 845

How many times does 12 go into 125?

Guest Dec 1, 2020

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519

3

counting question

How many distinct sequences of four letters can be made from the letters in EQUALS if each sequence cannot begin with L and cannot end with Q, and no letter can appear in a sequence more than once?

Guest Dec 1, 2020

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448

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cylinder

A rectangle with height 8 and length 24 is wrapped around a cylinder with height 24. The rectangle perfectly covers the curved surface of the cylinder without overlapping itself at all. What is the volume of the cylinder? My answer was wrong

Guest Dec 1, 2020

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294

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algebra

Rewrite the expression g^4 + 18g^2 + 24 in the form c(g^2 + p)^2 + q. What is q?

Guest Dec 1, 2020

Nov 30, 2020

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303

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coordinates

A triangular region is enclosed by the lines with equations y = 1/2 x + 3, y = -2x + 6 and y = 2. What is the area of the triangular region? Express your answer as a decimal to the nearest hundredth.

Guest Nov 30, 2020

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373

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Cphill this ones for you( and you ), respect for the web2.0calc legend

Find the equation of the line that is tangent to both of the parabolas $y^2 = 4x$ and $x^2 = -32y.$ Enter your answer in the form "$y = mx + b$".

Guest Nov 30, 2020

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350

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12-sided dice

You roll 10 12-sided dice. What is the probability of getting a sum of 65? Thanks for help.

Guest Nov 30, 2020

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368

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cone

From a circular piece of paper with radius BC , Jeff removes the unshaded sector shown. Using the larger shaded sector, he joins edge BC to edge BA (without overlap) to form a cone of radius 18 centimeters and of volume 432*pi cubic centimeters. What is read more ..

Guest Nov 30, 2020

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440

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Help with proportions

1. Y varies directly as x and inversely as the square of z, and when x = 32, y = 6 and z = 4. Find x when y = 10 and z = 3.

2. the volume of a cone varies jointly as its height and the square of its radius. A cone with read more ..

Guest Nov 30, 2020

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408

2

Who keeps on putting that dum Hola Ninos meme on the wall??!

He/She is soooo annoying they do dum questions like 4835645836578346583675-45864356346578346584365

please stop this person

Guest Nov 30, 2020

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308

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help with number theory

Suppose $b_a^2 = 71_a$, where a and b represent two distinct digits. If b = a - 11, find b.

Guest Nov 30, 2020

+1

574

5

+34

Nested function limits

Hi!

I am working through a khan academy calculus course and I am a but stumped at one of their videos. I linked it below. It seems that they are using th terms "from above" and and "from below" interchangably. If not, what is read more ..

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WillyGolden Nov 30, 2020

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280

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Heeelp

Guest Nov 30, 2020

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275

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How many children can be born at once

how many girls and boys

Guest Nov 30, 2020

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510

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16 questions equal to 20% so how many question are there to get to 100%

16 questions equal to 20% so how many question are there to get to 100%

Guest Nov 30, 2020

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399

1

Help please!!

Suppose y is jointly proportional to x and z. What is y when x=2 and z=3, if y=20 when z=4 and z=3?

Guest Nov 30, 2020

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412

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asymptotes

The graph of y = (5x^2 - 9)/(3x^2 + 6x + 2) has vertical asymptotes at x = a and x = b. Find a + b.

Guest Nov 30, 2020

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