Anmelden
Login
Benutzername
Passwort
Login
Passwort vergessen?
Rechner
Forum
+0
Formeln
Mathematik
Hilfe
Komplexe Zahlen
Integralrechnung
Differentialrechnung
Gleichungen
Funktionsgraphen
Lineare Algebra - Vektoralgebra
Zahlentheorie
Prozentrechnung
Standard-Funktionen
Wahrscheinlichkeitsrechnung
Trigonometrie
Einheiten-Umrechnung
Rechnen mit Einheiten
Über Uns
Impressum
Datenschutzrichtlinie
Nutzungsbedingungen
Credits
Google+
Facebook
Email
ddocm
Benutzername
ddocm
Punkte
69
Membership
Stats
Fragen
14
Antworten
3
15 Questions
3 Answers
0
455
1
+69
Function problem
If f(x)= (ax+b)/(cx+d), abcd ≠ 0 and f(f(x))=x for all x in the domain of f, what is the value of a+d?
●
ddocm
20.02.2021
0
407
1
+69
Function problem
Let N,O be functions such that N(x) = 2/sqrt(x), and O(x) = x^2. What is N(O(N(O(N(O(3)))))?
●
ddocm
20.02.2021
0
500
1
+69
Compute the sum (a +(2n+1)d)^2- (a + (2n)d)^2 +(a + (2n-1)d)^2 - (a+(2n-2)d)^2 + ... + (a+d)^2 - a^2
Compute the sum (a +(2n+1)d)^2- (a + (2n)d)^2 +(a + (2n-1)d)^2 - (a+(2n-2)d)^2 + ... + (a+d)^2 - a^2
A full explanation on how to do the problem would be appreciated.
●
ddocm
14.02.2021
0
746
4
+69
Power of a point circle question
In the diagram below, EU = 8, UF = 7,GV = 5, VH = 16, and UV= 6. Find XY.
●
●
●
●
ddocm
03.02.2021
0
705
3
+69
Semicircle problem
In the adjoining figure, CD is the diameter of a semicircle with center O. Point A lies on the extension of DC past C; point E lies on the semicircle, and B is the point of intersection (distinct from E) of line segment AE with
mehr ..
●
●
●
ddocm
29.01.2021
0
756
3
+69
Circle in a trapezoid problem
Quadrilateral ABCD is an isosceles trapezoid, with bases AB and CD. A circle is inscribed in the trapezoid, as shown below. (In other words, the circle is tangent to all the sides of the trapezoid.) The length of base AB is 2x and
mehr ..
●
●
●
ddocm
28.01.2021
0
435
1
+69
weird function problem
If f(x)= -1/x , what is f(f(f(f(f(6)))))?
●
ddocm
22.01.2021
0
484
1
+69
Given that f(x)= (1/ 𝝅 ) x , what is the range of f(x) on the interval [0,∞) ?
Given that f(x)= (1/𝝅)x, what is the range of f(x) on the interval [0,∞)?
Give your answer in interval notation.
●
ddocm
22.01.2021
+1
515
2
+69
Three circles inside of a triangle- geometry
Three circles are drawn, so that each circle is externally tangent to the other two circles. Each circle has a radius of 2. A triangle is then constructed, such that each side of the triangle is tangent to two circles, as shown below. Find the perimeter
mehr ..
●
●
ddocm
21.01.2021
0
523
2
+69
Trapezoid proof problem
Quadrilateral ABCD is an isosceles trapezoid, with bases AB and CD. A circle is inscribed in the trapezoid, as shown below. (In other words, the circle is tangent to all the sides of the trapezoid.) The length of base AB is 2x and the length of
mehr ..
●
●
ddocm
21.01.2021
«
neueste
0
-1
2
neueste
»
#2
+69
0
thanks!
ddocm
07.03.2021
#4
+69
+3
Yes this is correct. Thank you.
ddocm
03.02.2021
#2
+69
+1
The answer is wrong. GV * VH = XV * VY isn't true.
ddocm
03.02.2021