All Questions +0 237643 Questions

Given that the corresponding lengths are equal, find AB : BC.

Guest Jan 22, 2021

478

geometry

1. How many minutes are there in a week?

2. The measure of angles of quadrilateral ABCD form the arithmetic sequence ∠A, ∠B, ∠C, ∠D. If the measure of angle B is 75 degrees what is the degree measure of angle D? read more ..

Guest Jan 22, 2021

533

Need Answer Very Soon

The figure below is not drawn to scale. The measure of two interior angles of ABC is given in the diagram. Which is the longest side of ABC?

Guest Jan 22, 2021

600

Help Please! Much appreciated!

A school committee consists of 2 teachers and 4 students. The number of different committees that can be formed from 5 teachers and 10 students is ...?

Guest Jan 22, 2021

523

counting problem

\[ \begin{cases}
x+\sqrt y = 27 \\ y +\sqrt x = 9 \end{cases} \]
Given that $x$ and $y$ are positive integers satisfying the system of equations above, find $x+y$.

Guest Jan 22, 2021

442

help please

In an isosceles △ABC (AC = BC) its incircle touches the side BC at point T. Given AC = 4 and AT = 2. Find the length of AB.

Guest Jan 22, 2021

410

i need a lot of help with geo problem

A father is 9 times as old as his son. In three years, the father will be 6 times as old as his son.
How old is the son?

Guest Jan 22, 2021

577

word problem

If a 12-foot ladder makes a 55 angle with the ground, how many feet up a wall will it reach? Round your answer to the nearest tenth.

Guest Jan 22, 2021

951

PLASE HELP

The quadratic has roots in the form of . What is the value of ?

Please answer soon! Thank you!

Guest Jan 22, 2021

586

Quadratic Problem

In the large circle, one of the three green circles of identical radii is the incircle of the equilateral triangle whose side length is $12\sqrt{3}$, whereas two other circles are tangent to the chord and its circumference.
Determine the radius read more ..

Guest Jan 22, 2021

338

help hard geometry

Guest Jan 22, 2021

458

quadratic

Fill in the blank with a constant, so that the resulting quadratic expression is the square of a binomial.

cosx/ 1+sinx = secx − tanx

Guest Jan 22, 2021

722

+296

Verify the identity by matching an expression into each box to correctly complete the verification of the identity.

M is the midpoint of PQ and N is the midpoint of PR, and O is the intersection of QN and RM, as shown. If QN is perpendicular to PR, QN = 10, and PR = 15, then find OR.

read more ..

lovesosa12 Jan 22, 2021

450

geometry

1. Let a and b be the solutions to Find

2. Let u and v be the solutions to Find

Guest Jan 22, 2021

496

Help!

The points (x,y) represented in this table lie on a straight line. The point (13,q) lies on the same line. What is the value of p + q? Express your answer as a decimal to the nearest tenth.

Guest Jan 22, 2021

352

line question

Guest Jan 22, 2021

566

+296

What is the exact value of sin(θ+β)?

cosθ=−2/ √3, where π≤θ≤3π/ 2
tanβ=4/ 3, where 0≤β≤π/ 2

Enter your answer, as a fraction in simplified form read more ..

r and s are the roots of 3x^2 + 4x + 12 = 0. Find r^2+s^2 Please help me!!!

lovesosa12 Jan 22, 2021

349

Help please!!!

1. The Mobius transformation maps the line onto the unit circle in such a way that the region above the line is mapped to the interior of the circle and that 5i is mapped to the Origin. Find the value of d. read more ..

Guest Jan 22, 2021

Jan 21, 2021

656

+158

Three questions that have to do with Mobius Transformations and finding parts of their equations.

Let C be the circle with center -3i and radius 2. The Mobius Transformation R given by the equation maps C to the Unit Circle in such a way that the inside of C maps to the outside of the unit circle. Find .

tanmai79 Jan 21, 2021

648

+158

I've tried this problem a few times, but all my attempts have led to dead ends.

A line passes through the points (-3,-5) and (-6,1). The equation of this line can be expressed in the form Ax + By = C, where A, B, and C are integers with greatest common divisor 1, and A is positive. Find A + B+ C.

tanmai79 Jan 21, 2021

500

line

Adam can type fast, much faster than Sally does. On average, for every 3 words Sally types, Adam can type 4. Adam’s words-per-minute (WPM) exceeds Sally’s by 18. What is Adam’s WPM?

Guest Jan 21, 2021

535

+328

Adam and Sally's WPM

A Mobius Transformation f has a equation of the form where a, b, c, and d are complex numbers. Suppose that f is a Mobius Transformation such that f(1)=i, f(i)=-1, and f(-1)=1. Find the value of f(-i).

Potatobird Jan 21, 2021

784

+158

I'm not quite sure how to approach this.

Compute the sum of all integers a for which the polynomial x^2+ax+10a can be factored over the integers.

tanmai79 Jan 21, 2021

625

+267

Compute the sum of all integers a for which the polynomial x^2 + ax + 10a can be factored over the integers.