All Questions ⁺⁰237665 Questions

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496

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need help with function

If points (a,b) are on the graph of y = f(x), what points must be on the graph of y = -3f(3x+6)-2?

Guest Nov 13, 2021

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276

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help Algebra

There are two pairs (x,y) of real numbers that satisfy the equation x + y = 3, xy = 1. Given that the solutions x are in the form x = (a pm b*sqrt(c))/d where a, b, c, and d are positive integers and the expression is completely simplified, what read more ..

Guest Nov 13, 2021

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513

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+7

Modular Number Theory

If are positive integers less than such that

then determine the remainder when is divided by .
read more ..

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iamcrep Nov 13, 2021

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256

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Algebra

Each solution to x^2 + 5x + 18 = 0 can be written in the form a + bi where a and b are real numbers. What is a^2 + b^2?

Guest Nov 13, 2021

Nov 12, 2021

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257

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Functions

Find the greatest integer value of b for which the expression (9x^3 + 4x^2 + 11x + 7)/(x^2 + bx + 18) has a domain of all real numbers.

Guest Nov 12, 2021

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284

1

Hey, Everybody!

Sorry, no help needed (I'm a straight A student and I go to the gifted school

). I'm just testing this out, I guess.

Guest Nov 12, 2021

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250

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Algebra

I choose a random integer n between 1 and 10 inclusive. What is the probability that for the I chose, there exist no real solutions to the equation x(x + 2) = -n? Express your answer as a common fraction.

Guest Nov 12, 2021

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291

1

Probability

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 3 units?

Guest Nov 12, 2021

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260

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Trapezoid

Trapezoid ABCD has bases AB and CD. Find x.

Guest Nov 12, 2021

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316

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what number must you ad to complete the square

Guest Nov 12, 2021

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315

1

need help

Concave quadrilateral ABCD is symmetric about the line AC. The measures of angles DAB and ABC are 84 degrees and 32 degrees, respectively. The dashed line segments bisect angles ABC and ADC. What is the degree measure of the acute angle at which the two read more ..

Guest Nov 12, 2021

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238

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Geometry

The circle with center A and radius 10 and the circle with center B and radius 9 are externally tangent. A line that is externally tangent to both circles is drawn, where both circles lie on the same side of the line . This common tangent intersects line read more ..

Guest Nov 12, 2021

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304

1

Trapezoid

In trapezoid ABCD, sides AB and CD are paralllel, A = 2D and C = 3B + A. Find B.

Guest Nov 12, 2021

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242

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need help

From the equation y−3=−2(x+1)y−3=−2(x+1), identify the slope and a point on the line.

Guest Nov 12, 2021

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263

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Inverse Function

Let f be defined by
f(x) = 3 - x if x <= 3
f(x) = -x^3 + x^2 if x > 3
read more ..

Guest Nov 12, 2021

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416

3

consecutive positive odd integers

Three consecutive positive odd integers a, b and c satisfy b^2 - a^2 = 348 and c^2 - b^2 > 0. What is the value of c^2 - b^2?

Guest Nov 12, 2021

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291

1

Help plz

Find the sum of the digits of 777,777,777,777^2 - 222,222,222,222^2.

Guest Nov 12, 2021

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405

1

Evaluate the expression. Write your answer in scientific notation.

Evaluate the expression. Write your answer in scientific notation.
(7x10-3)+0.32-(6x10-2)

Guest Nov 12, 2021

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251

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geometry

Is the following shape a right triangle? How do you know? A. There is not enough information to determine. B. No, there is no right angle. C. Yes, two sides are perpendicular, and the side lengths fit the Pythagorean theorem. D. No, the side lengths do read more ..

Guest Nov 12, 2021

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535

1

help Algebra

There are values A and B such that
(Bx - 11)/(x^2 - 7x + 10) = A/(x - 2) + 8/(x - 5)
Find A+B.

Guest Nov 12, 2021

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267

1

help with algebra

If 2/3*3/4*4/5* ... * n/(n+1) = 1/500, what is the sum of the numerator and denominator of the largest fraction on the left side of the equation?

Guest Nov 12, 2021

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294

1

Combo problem

Alejandra's Tapas Bar offers a menu consisting of 9 savory and 5 sweet dishes. You can also get a mix-and-match plate consisting of two different dishes on the menu. How many different mix-and-match plates can you get consisting of one savory and two sweet read more ..

Guest Nov 12, 2021

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397

4

Probability

Meyer rolls two fair, ordinary dice with the numbers $1,2,3,4,5,6$ on their sides. What is the probability that both dice show a square number?

Guest Nov 12, 2021

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391

1

Algebra

f(x) is a monic polynomial such that f(0)=4 and f(1)=-10. If f(x) has degree 2, what is f(x)? Express your answer in the form ax^2+bx+c, where a, b, and are real numbers.

Guest Nov 12, 2021

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