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Post New Question
All Questions
+0
234777 Questions
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374
2
Geo
We can find an acute triangle with the three altitude lengths 1, 2, and h, if and only if h2 belongs to interval (P,Q). Find (P,Q).
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Guest
Jan 22, 2021
0
415
2
geometry
Given that the corresponding lengths are equal, find AB : BC.
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Guest
Jan 22, 2021
0
471
3
Need Answer Very Soon
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 ..
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Guest
Jan 22, 2021
0
541
1
Help Please! Much appreciated!
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?
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Guest
Jan 22, 2021
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464
3
counting problem
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 ...?
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Guest
Jan 22, 2021
0
380
1
help please
\[ \begin{cases}
x+\sqrt y = 27 \\ y +\sqrt x = 9 \end{cases} \]
Given that \(x\) and \(y\) are positive integers satisfying the system of equations above, find \(x+y\).
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Guest
Jan 22, 2021
0
350
2
i need a lot of help with geo problem
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.
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Guest
Jan 22, 2021
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515
3
word 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?
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Guest
Jan 22, 2021
0
892
2
PLASE HELP
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.
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Guest
Jan 22, 2021
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521
2
Quadratic Problem
The quadratic has roots in the form of . What is the value of ?
Please answer soon! Thank you!
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Guest
Jan 22, 2021
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285
0
help hard geometry
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
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Guest
Jan 22, 2021
0
405
1
quadratic
Fill in the blank with a constant, so that the resulting quadratic expression is the square of a binomial.
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Guest
Jan 22, 2021
0
682
1
+296
Verify the identity by matching an expression into each box to correctly complete the verification of the identity.
cosx/ 1+sinx = secx − tanx
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lovesosa12
Jan 22, 2021
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394
3
geometry
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 ..
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Guest
Jan 22, 2021
0
437
1
Help!
1. Let a and b be the solutions to Find
2. Let u and v be the solutions to Find
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Guest
Jan 22, 2021
0
292
0
line question
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
+1
509
1
+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 ..
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lovesosa12
Jan 22, 2021
0
294
1
Help please!!!
r and s are the roots of 3x^2 + 4x + 12 = 0. Find r^2+s^2 Please help me!!!
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Guest
Jan 22, 2021
Jan 21, 2021
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608
1
+157
Three questions that have to do with Mobius Transformations and finding parts of their equations.
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 ..
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tanmai79
Jan 21, 2021
0
591
2
+157
I've tried this problem a few times, but all my attempts have led to dead ends.
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 .
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tanmai79
Jan 21, 2021
0
440
1
line
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.
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Guest
Jan 21, 2021
0
469
1
+328
Adam and Sally's WPM
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?
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Potatobird
Jan 21, 2021
0
745
3
+157
I'm not quite sure how to approach this.
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).
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tanmai79
Jan 21, 2021
0
577
2
+267
Compute the sum of all integers a for which the polynomial x^2 + ax + 10a can be factored over the integers.
Compute the sum of all integers a for which the polynomial x^2+ax+10a can be factored over the integers.
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KitSoundwave
Jan 21, 2021
0
312
0
help algebra
When the expression 4(x^2-2x+2)-7(x^3-3x-1) is fully simplified, what is the sum of the squares of the coefficients of the terms?
Guest
Jan 21, 2021
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