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405

need algebra help

Suppose f and g are polynomials, and that h(x) = f(g(x)) + g(x). Find the degree of g(x) given that the degree of h(x) is 8 is and the degree of is f(x) is 1.

Guest Dec 9, 2020

637

Please Help!

The complex numbers z and w satisfy |z| = |w| = 1 and zw is not equal to -1.
(a) Prove that \overline{z} = {1}/{z} and \overline{w} = {1}/{w}.
(b) Prove that {z + w}/{zw + 1} is a real number.
Can you please explain in detail? I'm trying to grasp read more ..

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Guest Dec 9, 2020

410

common root

let f(x) = x^2+x-b and g(x) = x^2+bx-1,where b is a real number .what is the sum of all possible values of b for which the equations f(x)=0 and g(x)=0 have a common root

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Guest Dec 9, 2020

1093

Simple but confusing question

A floor 9 feet by 12 feet, is to be tiled with 4-inch-by-6-inch tiles. How many tiles are needed to cover the floor?

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Guest Dec 9, 2020

376

help please

Guest Dec 9, 2020

396

number theory

There are four positive integers a,b,c,d less than 8 which are invertible modulo 8. Find the remainder when abcd is divided by 8.

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Guest Dec 9, 2020

516

number theory

When the greatest common divisor and least common multiple of two integers are multiplied, the product is 180. How many different values could be the sum of the two integers?

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Guest Dec 9, 2020

431

Teachers never talked about this!!!

Draw a model of the equation
△= x and ○=1
11 = 5x + 6

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Guest Dec 9, 2020

393

Help- complex number

Simplify

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Guest Dec 9, 2020

566

circles

A semicircle with radius 2 and two semicircles with diameter 2 are drawn as shown. The red circle is tangent to all three semicircles. Find r.

read more ..

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Guest Dec 9, 2020

478

math

A company that makes hair-care products had 3,000 people try a new shampoo. the the 3,000 people 18 had a ,mild allergic reaction what percent of the people had a mild allergic reaction part= percent = percent = whole 18=m = whole 18=m = 3,000 read more ..

Guest Dec 9, 2020

802

Help!!

Find the positive difference between the solutions to the equation $6t^2 + 30 = 41t$ .

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Guest Dec 9, 2020

814

help me plz

Vera is using her phone. Its battery life is down to \dfrac25 5 2 start fraction, 2, divided by, 5, end fraction , and it drains another \dfrac19 9 1 start fraction, 1, divided by, 9, end fraction every hour.

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Guest Dec 9, 2020

528

help geo

A right triangle has side lengths 5, 12, and 13. The angle bisector is drawn from the vertex with the right angle to the other side. What is the length of the angle bisector?

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Guest Dec 9, 2020

500

polynomial

Find the constant coefficient when the polynomial 3(x - 4) + 5(x^2 - x + 7) + 5(x - 1) is simplified.

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Guest Dec 9, 2020

707

A map has a scale of 5 inches : 12 miles. If two cities are 13 inches apart on the map, what is the actual distance between the cities, to t

A map has a scale of 5 inches : 12 miles. If two cities are 13 inches apart on the map, what is the actual distance between the cities, to the nearest mile

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Guest Dec 9, 2020

711

delta math help

1. If the diagonal of a square is 22 ft, find the perimeter of the square. Give in simplest radical form where possible?

2. If the perimeter of an isosceles right triangle is (16+8\sqrt2)cm, what is the length of the read more ..

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Guest Dec 9, 2020

543

+179

unanswered question

https://web2.0calc.com/questions/a-certain-organization-consists-of-five-leaders-and

TheGreatestOofman Dec 9, 2020

667

geometry question

A triangle has vertices at A(6,8), B(0,0), and C(16,0). A square is inscribed in triangle ABC so that one side of the square aligns with side AB. Find the side length of the square.

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Guest Dec 9, 2020

546

Help, Factoring General Quadratics

The height of a ball when it is thrown off a cliff can be represented by the equation $h=45-7t-6t^2$, where $t$ is time in seconds. In how many seconds will the ball reach a height of 25 feet?

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Guest Dec 9, 2020

504

parabola

A parabola with equation y=ax^2+bx+c has a vertical line of symmetry at x=2 and goes through the two points (1,1) and (5,-1). Find (a,b,c).

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Guest Dec 9, 2020

527

Help plz

Given that the point (9,7) is on the graph of $y=f(x)$ there is one point that must be on the graph of $2y=\frac{f(2x)}2+2$. What is the sum of coordinates of that point?

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Guest Dec 9, 2020

5095

Write the equation of the line fully simplified slope-intercept form please help

Write the equation of the line in fully simplified slope-intercept form? Please help me!

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Guest Dec 9, 2020

All Questions ⁺⁰238062 Questions

need algebra help

Please Help!

common root

Simple but confusing question

help please

number theory

number theory

Teachers never talked about this!!!

Help- complex number

circles

math

Help!!

help me plz

help geo

polynomial

A map has a scale of 5 inches : 12 miles. If two cities are 13 inches apart on the map, what is the actual distance between the cities, to t

delta math help

unanswered question

geometry question

Help, Factoring General Quadratics

parabola

Help plz

Write the equation of the line fully simplified slope-intercept form please help

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