brandyscott29

18 Questions
0 Answers

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988

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PROBABILITY AND STATISTICS HELP

Suppose you have 20 tiles with the numbers 1 through 20. The theoretical probability that a tile chosen at random is a 5 is 1/20. If you pick a tile randomly, 20 time, replacing the chosen tile each time, will you get a 5 once? Explain.

brandyscott29 Apr 25, 2017

0

1967

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+68

Simplify the rational expression. State any restrictions on the variable. (x^2-2x-8)/x^2-16

Simplify the rational expression. State any restrictions on the variable. (x^2-2x-8)/x^2-16

brandyscott29 Apr 6, 2017

+1

3332

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1. Describe the transformation done to the parent function y = 2x in each equation below.

1. Describe the transformation done to the parent function y = 2x in each equation below.
a) y = 2x + 3 read more ..

brandyscott29 Mar 20, 2017

+1

3311

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+68

The pH of a liquid is a measure of how acidic or basic it is. The concentration of hydrogen ions in a liquid islabeled [H+]. Use the formula pH = âlog[H+]

The pH of a liquid is a measure of how acidic or basic it is. The concentration of hydrogen ions in a liquid islabeled [H+]. Use the formula pH = âlog[H+] to find the pH level, to the nearest tenth, of a liquid with [H+] about 7.8 x 10^-12.

brandyscott29 Mar 20, 2017

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862

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+68

Simplify sqrt108x^5y^8

1. Simplify sqrt108x^5y^8
2. Simplify (sqrt3) - (sqrt2)/(sqrt3) + (sqrt2)
3. Rewrite 32^5/3 as a radical expression and then simplify

brandyscott29 Feb 28, 2017

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1073

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What are the real and complex solutions of the polynomial? x^2 – 11x = -24

What are the real and complez solutions of the polynomial? x^2-11x=-24

brandyscott29 Feb 8, 2017

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1536

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Describe the number and type of roots for the polynomial (how many real and complex?). x 3 + 5x 2 – 4x – 2 = 0

Describe the number and type of roots for the polynomial (how many real and complex?). x 3 + 5x 2 – 4x – 2 = 0

brandyscott29 Feb 8, 2017

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1182

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Find the roots of the equation x^3–3x^2+x+5

Find the roots of the equation x^3–3x^2+x+5

brandyscott29 Feb 8, 2017

0

1282

1

+68

Write a polynomial function in standard form with zeros -1, -1, 6.

Write a polynomial function in standard form with zeros -1, -1, 6. Please show all work.

brandyscott29 Feb 7, 2017

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1769

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+68

What is the length of one leg of a right triangle if the hypotenuse is 17 and one leg is 8?

What is the length of one leg of a right triangle if the hypotenuse is 17 and one leg is 8?

ElectricPavlov ●

brandyscott29 Jan 3, 2017

0

4

87707

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+68

A ball is thrown into the air. The height in feet of the ball can be modeled by the equation h = -16t 2 + 20t + 6 where t is the time in seconds, the ball is

A ball is thrown into the air. The height in feet of the ball can be modeled by the equation h = -16t 2 + 20t + 6 where t is the time in seconds, the ball is in the air. When will the ball hit the ground? How high will the ball go?

Majid ●●●●●

brandyscott29 Jan 3, 2017

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2319

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+68

Find the next number in the pattern. 0.5, 2.5, 12.5, 62.5

Find the next number in the pattern. 0.5, 2.5, 12.5, 62.5

brandyscott29 Dec 15, 2016

0

1054

1

+68

Is the set of numbers 50, 120, 130 a Pythagorean triple? why or why not?

Is the set of numbers 50, 120, 130 a Pythagorean triple? why or why not?

brandyscott29 Dec 12, 2016

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2231

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+68

Skip designs tracks for amusement park rides. For a new design, the track will be elliptical. If the ellipse is placed on a large coordinate grid with its

Skip designs tracks for amusement park rides. For a new design, the track will be elliptical. If the ellipse is placed on a large coordinate grid with its center at (0, 0), the equation 9 x 2 + 25 y 2 =225 models the path of the track. The units are given read more ..

brandyscott29 Dec 5, 2016

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1558

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How far apart are the foci of an ellipse with a major axis of 20 feet and a minor axis of 14 feet?

How far apart are the foci of an ellipse with a major axis of 20 feet and a minor axis of 14 feet?

brandyscott29 Dec 5, 2016

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3645

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The reflecting dish of a parabolic microphone has a cross-section in the shape of a parabola. The microphone itself is placed on the focus of the parabola. If

The reflecting dish of a parabolic microphone has a cross-section in the shape of a parabola. The microphone itself is placed on the focus of the parabola. If the parabola is 60 inches wide and 30 inches deep, how far from the vertex should the microphone read more ..

brandyscott29 Dec 5, 2016

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1690

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3. Find an equation of a parabola with a vertex at the origin and directrix y = –4

3. Find an equation of a parabola with a vertex at the origin and directrix y = –4

brandyscott29 Dec 5, 2016