All Questions ⁺⁰230615 Questions

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184

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Coordinates

A line through the points (2,-9) and (j,-17) is parallel to the line 2x + 3y = 21. What is the value of j.

Guest Dec 23, 2021

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200

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Complex Numbers

Suppose z is a complex number such that z^3 = 100 + 25i. Find |z|.

Guest Dec 23, 2021

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204

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Coordinates

What is the value of k if point P(k, k sqrt(3)) is 4 units from the line 5x+8y=17?

Guest Dec 23, 2021

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175

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vous comprenez ?

un réservoire de tôle est un cube sans couvercle de 80 cm d'arête .
Quelle est la surface de la tôle employée à la confection de ce réservoire?
Quel est est le poid du réservoire vide si le m2 de tôle employée à sa fabrication pèse 18 kg read more ..

Guest Dec 23, 2021

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208

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Polynomial

Let f(x) = x^4 - 3x^2 + 2 and g(x) = 2x^4 - 6x^2 + 2x - 1. What is the degree of f(x) - g(x)?

Guest Dec 23, 2021

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417

5

+182

Im 10 dont blame me if im dumb

John and Julia are repainting the outside of their house. They each go out to buy paint. John buys enough paint to cover of their house and Julia buys enough to paint of their house. If it takes 1 can of paint to paint of their house and they read more ..

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SmartWater Dec 23, 2021

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231

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halp plz plz

In triangle ABC, we have angle A = 90 deg and sin B = 4/7. find cos C.

Guest Dec 23, 2021

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204

1

Polynomial

Suppose g(x) is a polynomial of degree five for which g(1) = 2, g(2) = 3, g(3) = 4, g(4) = 5, g(5) = 6, g(6) = 7, and g(7) = -113. Find g(0).

Guest Dec 23, 2021

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206

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Polynomial

For all positive integers n, the nth triangular number T_n is defined as . What is the greatest possible value of the greatest common divisor of 4T_n and n - 2?

Guest Dec 23, 2021

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329

2

Number Theory

For all positive integers n, the nth triangular number T_n is defined as T_n = 1 + 2 + ... + n . What is the greatest possible value of the greatest common divisor of 4T_n and n - 2?

Guest Dec 23, 2021

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298

1

Functions

Let f(x) = 3x - 8 and g(f(x)) = 2x^2 - 5x + 3. Find g(5).

Guest Dec 23, 2021

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366

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Sequences

The sequence 2, 3, 5, 6, 7, 10, 11, contains all the positive integers from least to greatest that are neither squares nor cubes. What is the 500th term of the sequence?

Guest Dec 23, 2021

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250

2

hellp pls

All right triangle MNO, tan M = 5/4, OM = 8, and angle o = 90 degrees. Find MN. Express your answer in simplest radical form.

Guest Dec 23, 2021

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299

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Probability

A bag contains 4 balls. Each ball is a single color, and 3 distinct colors are represented in the bag. What is the probability that the first 3 balls selected without replacement are the same color? Express your answer as a common fraction.

Guest Dec 23, 2021

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294

1

Coordinates

The center of a circle has coordinates (6, -5). The circle is reflected about the line y = 1.What are the x, y coordinates of the center of the image circle? State the x coordinate first.

Guest Dec 23, 2021

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668

1

$185 TV; 5% markup

$185 TV; 5% markup

Guest Dec 23, 2021

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181

0

Coordinates

What is the x-coordinate for the x-intercept of the line containing the points (7,4) and (3,6)?

Guest Dec 23, 2021

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317

1

Math problem

I randomly pick an integer between 1 and 10 inclusive. What is the probablility that I choose a p such that there exists an integer q so that p and q satisfy the equation pq-2p-2q=2? Express your answer as a common fraction.

Guest Dec 23, 2021

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177

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Geometry

Triangle ABC is acute. Point D lies on AC so that line BD is perperdicular to line AC, and point E lies on AB such that line CE is perpendicular to line AB . The intersection of segments line CE and line BD is P. Find the value read more ..

Guest Dec 23, 2021

Dec 22, 2021

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320

1

help plz

I need help here.

Find x.
read more ..

Guest Dec 22, 2021

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316

1

help geometry

I also have this problem. Can anyone help?

What is the value of x?
read more ..

Guest Dec 22, 2021

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286

2

help!

I have an online homework assignment I don't get. Could someone walk me through the first problem (above)?

Guest Dec 22, 2021

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240

1

Coordinates

A line is drawn through the points (-2, 6) and (-4, -12). What is the y-coordinate of the point where this line intersects the y-axis?

Guest Dec 22, 2021

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306

1

Polynomials

There is a unique polynomial P(x) of degree 4 with rational coefficients and leading coefficient 1 which has sqrt(1 + sqrt(6)) as a root. What is P(1)?

Guest Dec 22, 2021

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292

1

Algebra

What number must be placed in the box in the equation below to produce an equation that has more than one solution:
$1/2*y + 1/4 = 3 + \boxed{\phantom{400} } y$

Guest Dec 22, 2021

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