All Questions ⁺⁰230633 Questions

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233

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Coordinates

In terms of pi, what is the area of the circle defined by the equation 2x^2+2y^2+10x-6y-48=0

Guest Nov 18, 2021

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178

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help Algebra

The parabolas defined by the equations y = -x^2 - x + 1 and y = x^2 - 3x - 3 intersect at points (a,b) and (c,d), where c >= a. What is c - a? Express your answer as a common fraction.

Guest Nov 18, 2021

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187

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Algebra

Positive real numbers x, y satisfy the equations x^2 + y^2 = 1 and x^4 + y^4 = 17/19. Find xy.

Guest Nov 18, 2021

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252

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Set Theory

Karlee searched for “Edmonton Oilers” on the Internet with quotation marks. Chase searched for Edmonton Oilers without quotation marks. Did they get the same results? Explain.

Guest Nov 18, 2021

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303

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Set Theory

Amy drew the Venn diagram. a) True or False i) S ⊂ H ii)S ⊂C iii) W ⊂ S iv) H ⊂ H

Guest Nov 18, 2021

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328

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please help

how many Mersenne primes are there less than 100

Guest Nov 18, 2021

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187

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Help please math question

what is the smallest Eisenstein prime greater than 60

Guest Nov 18, 2021

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233

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need help

the sum of seven consecutive integers is "-14" what is the smallest of these seven integers. please help

Guest Nov 18, 2021

Nov 17, 2021

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242

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Algebra problem

If a + b = 7 and a^3 + b^3 = 44, what is the value of the sum 1/a + 1/b? Express your answer as a common fraction.

Guest Nov 17, 2021

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322

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need help

Completely simplify and rationalize the denominator: $$\frac{\sqrt{160}}{\sqrt{252}}\times\frac{\sqrt{245}}{\sqrt{360}}$$

Guest Nov 17, 2021

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183

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Polynomials

Let f(x) = x^3 + 3x ^2 + 4x - 7 and g(x) = -7x^4 + 5x^3 +x^2 - 7. What is the coefficient of $x^3$ in the sum $2f(x) - 3g(x)$?

Guest Nov 17, 2021

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PLS HELPPPPP

Find the equation whose graph is shown below. Write your answer in standard form. (Standard form is $Ax+By = C$, where $A$ is positive, and $A$, $B$, and $C$ are integers with greatest common divisor 1.)
https://us-static.z-dn.net/files/dd0/8a3d5c9e263d003f6fcbbb9e87222234.png read more ..

Guest Nov 17, 2021

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211

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Algebra

I pick two whole numbers x and y between 1 and 10 inclusive (not necessarily distinct). My friend picks two numbers x - 4 and 2y + 1. If the product of my friend's numbers is one greater than the product of my numbers, then what is the product of my numbers? read more ..

Guest Nov 17, 2021

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211

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Quadratics

Given that the polynomial x^2 - 15x + t = 0 has only positive integer roots, find the average of all distinct possible values of t.

Guest Nov 17, 2021

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173

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Digit problem

Each of the digits 6,7,8,9,0 is used no more than once to form an integer N. How many possible Ns are multiples of 3?

Guest Nov 17, 2021

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166

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Coordinates

A line has a slope of 8/7 and its y-intercept is (0,18). What is its x-intercept?

Guest Nov 17, 2021

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181

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Geometric sequences

We have two geometric sequences of positive real numbers:
6,a,b and a,b,1296
Solve for a

Guest Nov 17, 2021

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228

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X + 5% =< 800

Hello there
I don't know if this is best presentation of the following question, but:
I would like to know the value to X in given value (x) + 5% = 800
X + 5% must be less or equal than 800

Guest Nov 17, 2021

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178

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Algebra

Two parabolas are the graphs of the equations y= 2x^2 - 7x + 1 and y = 8x^2 - 25x + 13. Give all points where they intersect. List the points in order of increasing x-coordinate, separated by semicolons.

Guest Nov 17, 2021

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220

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help geometry

D is on side AC of Triangle ABC. We know [ABC] = 120, AD = 8, DC = 3. What is [ABD]?

Guest Nov 17, 2021

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208

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Rational number?

What is a rational number?

Guest Nov 17, 2021

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189

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Set theory

Amy drew the Venn diagram. a) True or False i) S ⊂ H ii)S ⊂C iii) W ⊂ S iv) H ⊂ H

Guest Nov 17, 2021

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186

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Inequality

Find all x that satisfy the inequality (2x+10)(x+3)<(3x+9)(x-8) . Express your answer in interval notation.

Guest Nov 17, 2021

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203

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Quadrilateral

In quadrilateral ABCD, A = 75, B = 90, C = 120, AB = BC = 3*sqrt(2). Find CD.

Guest Nov 17, 2021

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317

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+69

PLEASE ELP ME

The gravitational force between two objects is 2400 N. What will be the gravitational force between the objects if the mass of one object is doubled? physics math help

MusicalMalfunction Nov 17, 2021

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