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Post New Question
All Questions
+0
234503 Questions
0
9
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+744
Geometry
Let $\overline{AB}$ and $\overline{CD}$ be chords of a circle, that meet at point $Q$ inside the circle. If $CD = 34$, then find the minimum length of $CQ$.
RedDragonl
May 14, 2024
0
11
0
+763
Geometry
In the diagram below, SR = PQ = 20 and RT:TS = 2:5. Find UV.
eramsby1O1O
May 14, 2024
0
9
0
+763
Geometry
In triangle PQR, M is the midpoint of \overline{QR}. Find PM.
eramsby1O1O
May 14, 2024
0
11
0
+763
Geometry
Point $D$ is the midpoint of median $\overline{AM}$ of triangle $ABC$. Point $E$ is the midpoint of $\overline{AB}$, and point $T$ is the intersection of $\overline{BD}$ and $\overline{ME}$. Find the area of triangle $BET$ if $AB = 20$, $AC = 20$, and BC
read more ..
eramsby1O1O
May 14, 2024
-1
13
0
+763
Geometry
A rectangle contains a strip of width $1,$ as shown below. Find the area of the strip.
eramsby1O1O
May 14, 2024
0
12
1
+68
Preclac
Let x and y be two perpendicular unit vectors.
(a) Find a formula for the magnitude of an arbitrary linear combination ax+by
of x and y in terms of a and b.
(b) Find the precise condition on a,b,c and d under which the linear combinations
read more ..
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LearningCat
May 14, 2024
0
16
0
+763
Geometry
In triangle ABC, angle A = p + 2q degrees, angle B = 6p - 5q degrees, and angle C = 14p + 8q degrees. Find p (in degrees) in terms of q.
eramsby1O1O
May 14, 2024
0
17
0
+763
Help me
Let $a$ and $b$ be real numbers, where $a < b$, and let $A = (a,a^2)$ and $B = (b,b^2)$. The line $\overline{AB}$ (meaning the unique line that contains the point $A$ and the point $B$) has slope $2$. Find $a + b$.
eramsby1O1O
May 14, 2024
+1
9
1
+86
quadratic roots
The quadratic has the following unexpected property: the roots, which are and , are one less than the final two coefficients. Now find a quadratic with leading term such that the final two coefficients
read more ..
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eramsby1010
May 14, 2024
0
17
0
+1212
Quadratic Functions
What real value of $t$ produces the smallest value of the quadratic $t^2 -9t - 36 + 13t - 60$?
Akhain1
May 14, 2024
0
12
1
+1212
Quadratic Function
If s is a real number, then what is the smallest possible value of 2s^2 - 8s + 19 - 7s^2 - 8s + 20?
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Akhain1
May 14, 2024
0
9
1
+1212
Roots of Quadratic
Let a and b be the solutions to 7x^2 + x - 5 = 6x^2 - 5x + 12. Compute 1/(a^2 - 4) + 1/(b^2 - 4).
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Akhain1
May 14, 2024
0
16
1
+1212
Quadratic Functions
If $t$ is a real number, what is the maximum possible value of the expression $-t^2 + 8t -4 +5t^2 - 4t + 18$?
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Akhain1
May 14, 2024
0
19
0
+763
help with math
Laverne starts counting out loud by 5's. She starts with 2. As Laverne counts, Shirley sums the numbers Laverne says. When the sum finally exceeds 100, Shirley runs screaming from the room. What number does Laverne say that sends
read more ..
eramsby1O1O
May 14, 2024
0
11
1
+763
Need help
A line has a slope of $m,$ and its $y$-intercept is $(0,b)$. If $m = 8$ and $b = 14,$ then what is the $x$-intercept of the line?
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eramsby1O1O
May 14, 2024
0
16
1
+763
Need help
The distance between the points $A$ and $B$ is $\sqrt{5}.$ If $A = (a,-1)$ and $B = (2,2a-7),$ then find the sum of all possible values of $a.$
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eramsby1O1O
May 14, 2024
0
19
0
+763
Coordinates question
Find the distance between the $x$-intercept and the $y$-intercept of the graph of the equation $3x - 6y = 12 + 8x - 3y$.
eramsby1O1O
May 14, 2024
+1
13
1
+86
Hard Trig
Among all pairs of real numbers such that with , Oleg randomly selected a pair . Compute the probability that .
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eramsby1010
May 14, 2024
0
11
1
+763
help with coordinates
A line passes through the points $P$ and $Q.$ If $P = (-8,2)$ and $Q = (4,-7),$ then write the equation of this line in the form $Ax + By = C,$ where $A$, $B$, and $C$ are integers with greatest common divisor $1,$ and $A$ is positive.
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eramsby1O1O
May 14, 2024
0
12
1
+763
Algebra
The quadratic equation $x^2+4mx+m = 2x - 6$ has exactly one real root. Find the positive value of $m$.
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eramsby1O1O
May 14, 2024
+1
8
1
+86
C&P Problem
Two distinct positive integers from 1 to 50 inclusive are chosen. Let the sum of the integers equal S and the product equal P. What is the probability that P + S is one less than a multiple of 5?
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eramsby1010
May 14, 2024
0
18
2
+68
Precalculus
Help please :3
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LearningCat
May 14, 2024
+1
8
1
+86
Complex Number Arithmetic
Simplify
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eramsby1010
May 14, 2024
+1
9
1
+86
Particle Speed
A particle moves so that it is at at time Find the speed of the particle, measured in unit of distance per unit of time.
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eramsby1010
May 14, 2024
+1
6
1
+86
Another Simon's Favorite Factoring Trick Problem
Two numbers are independently selected from the set of positive integers less than or equal to 5. What is the probability that the sum of the two numbers is greater than their product? Express your answer as a common fraction.
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eramsby1010
May 14, 2024
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