रजिस्टर
लॉग इन करें
यूजर का नाम
पासवर्ड
लॉग इन करें
क्या आप अपना पासवर्ड भूल गए?
घर
फोरम
+0
फार्मूलरी
Maths
मदद
Complex Numbers
Integral Calculus
Differential Calculus
Equations
Graphs
Linear Algebra
Number theory
Percent
Standard Functions
Statistics
Trigonometry
Unit Conversion
Units
के बारे में
छाप
गोपनीयता नीति
सेवा की शर्तें
क्रेडिट्स
Google+
Facebook
ई - मेल से संपर्क करे
Rangcr897
यूजर का नाम
Rangcr897
स्कोर
85
Membership
Stats
सवाल
21
जवाब
0
21 Questions
0 Answers
0
1
0
+85
Math problem
If $a$ and $b$ are positive integers for which $ab - 3a + 4b = 131$, what is the minimal possible value of $|a - b|$?
Rangcr897
14 Mei 2024
0
1
0
+85
Math problem
Let $m$ be a real number. If the quadratic equation $x^2+mx+4 = 2x^2 + 17x + 8$ has two distinct real roots, then what are the possible values of $m$? Express your answer in interval notation.
Rangcr897
14 Mei 2024
0
2
0
+85
Algebra
A plane flies from Penthaven to Jackson and then back to Penthaven. When there is no wind, the round trip takes 4 hours and 36 minutes, but when there is a wind blowing from Penthaven to Jackson at 40 miles per hour, the trip takes 5 hours. How many
और पढ़ें ..
Rangcr897
6 Mei 2024
0
3
0
+85
Counting
In how many ways can I arrange $3$ different math books and $4$ different history books on my bookshelf, if at least three of the history books are next to each other?
Rangcr897
6 Mei 2024
0
4
0
+85
Counting
I have $3$ different mathematics textbooks, $2$ different psychology textbooks, and $2$ different chemistry textbooks. In how many ways can I place the $7$ textbooks on a bookshelf, in a row?
Rangcr897
6 Mei 2024
0
2
0
+85
Algebra
Find all values of t such that \lfloor t\rfloor = 3t + 4 - \lfloor 2t \rfloor. If you find more than one value, then list the values you find in increasing order, separated by commas.
Rangcr897
6 Mei 2024
0
2
0
+85
Algebra
Let a_1, a_2, a_3, \dots be a sequence. If
a_n = a_{n - 1} + a_{n - 2}
for all n \ge 3, and a_{11} = 4 and a_{10} = 1, then find a_6.
Rangcr897
6 Mei 2024
0
2
0
+85
Geometry
Two lines $p$ and $q$ intersect at $X$. The angle between lines $p$ and $q$ is $45^\circ$. Let $A$ be a point inside the $45^\circ$ angle formed by $p$ and $q$. Let $B$ be the reflection of $A$ through line $p,$ and let $C$ be the reflection
और पढ़ें ..
Rangcr897
6 Mei 2024
0
2
0
+85
Geometry
In triangle $ABC,$ let the angle bisectors be $\overline{BY}$ and $\overline{CZ}$. Given $AB = 12$, $AY = 12$, and $CY = 6$, find $BC$.
Rangcr897
6 Mei 2024
+1
2
1
+85
Geometry
In triangle $PQR,$ $M$ is the midpoint of $\overline{QR}.$ Find $PM.$
PQ = 5, PR = 8, QR = 11
●
Rangcr897
3 Mei 2024
0
3
0
+85
Geometry
In triangle $ABC$, points $D$ and $F$ are on $\overline{AB},$ and $E$ is on $\overline{AC}$ such that $\overline{DE}\parallel \overline{BC}$ and $\overline{EF}\parallel \overline{CD}$. If $CE =3$ and $DF = 3$, then what is $BD$?
Rangcr897
3 Mei 2024
«
नवीनतम
1
0
नवीनतम
1
»