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Post New Question
All Questions
+0
236092 Questions
0
28
1
+1348
Sum
Compute the sum
1 + \frac{1}{5} + \frac{2}{5} + \frac{3}{5} + \frac{2}{25} + \frac{3}{25} + \frac{4}{25}
Bosco
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sandwich
Jan 3, 2024
0
23
1
+1348
Infinite series
Evaluate the infinite geometric series
0.4 + 0.036 + 0.0000324 + ...
Express your answer as a fraction with integer numerator and denominator.
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sandwich
Jan 3, 2024
0
34
1
+1348
Sequences
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 $40,$ Shirley runs screaming from the room. What number does Laverne say that
read more ..
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sandwich
Jan 3, 2024
0
20
1
+1475
Triangle
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 $[DTM] = 20$.
read more ..
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kittykat
Jan 3, 2024
0
29
0
+1475
Angles
As shown in the diagram $\angle BAC=90^\circ$. Let $X$ be the foot of the altitude from $A$ to $\overline {BC}$, $\overline{AY}$ be the bisector of $\angle BAC$, and $\overline{AZ}$ be the median of $\triangle ABC$. If $\angle XAY = 16^\circ$, then
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kittykat
Jan 3, 2024
0
18
1
+1475
Need help with coordinates
The equation of the line below can be expressed in the form
\frac{x}{a} + \frac{y}{b} = 1.
Find a.
read more ..
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kittykat
Jan 3, 2024
0
21
1
+1678
Length in Triangle
In the diagram, $\triangle PQR$ is right-angled at $P$ and has $PQ=2$ and $PR=5$. Altitude $PL$ intersects median $RM$ at $F$. What is the length of $PF$?
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wiseowl
Jan 3, 2024
Jan 2, 2024
0
29
1
+1678
Area of Quadrilateral
What is the area in square units of the quadrilateral $XYZW$ shown below? Also, find $WY$.
read more ..
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wiseowl
Jan 2, 2024
+1
33
1
+1911
Clock
What is the degree measure of the acute angle formed by the hands of a clock at $3:30$?
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tomtom
Jan 2, 2024
+1
28
1
+1911
Circles
Stuart has drawn a pair of concentric circles, as shown. He draws chords $\overline{AB}$, $\overline{BC}, \ldots$ of the large circle, each tangent to the small one. If $m\angle ABC=65^\circ$, then how many segments will he draw before returning
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tomtom
Jan 2, 2024
+1
32
1
+1911
Tangent
In the figure, $\angle{XYZ}$ is inscribed in circle $I$, $\angle{XYZ}=36^\circ$, $\angle{AZY}=44^\circ$, and $AB$ is tangent to circle $I$ at $Z$. What is the measure of $\angle YIZ$, in degrees?
read more ..
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tomtom
Jan 2, 2024
+1
32
1
+1911
Tangent
In the diagram below, triangle $ABC$ is inscribed in the circle and $AC = AB$. The measure of angle $BAC$ is $30$ degrees and segment $ED$ is tangent to the circle at point $C$. What is the measure of angle $ACD$?
read more ..
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tomtom
Jan 2, 2024
0
54
0
+1768
Quadrilateral
In $\triangle ABC$ we have $AB=25$, $BC=39$, and $AC=42$. Points $D$ and $E$ are on $\overline{AB}$ and $\overline{AC}$ respectively, with $AD=15$ and $AE=12$. What is the ratio of the area of triangle $ADE$ to the area of the quadrilateral
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bader
Jan 2, 2024
0
32
1
+1768
rectangle
$AE$ divides rectangle $ABCD$ into two parts such that the ratio of the area of $\triangle ADE$ to the area of quadrilateral $ABCE$ is 1:4. Find the ratio of $DE$ to $EC$. Express your answer as a common fraction.
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bader
Jan 2, 2024
0
30
1
+1768
triangle
An equilateral triangle has sides $8$ units long. An equilateral triangle with sides $2$ units long is cut off at the top, leaving an isosceles trapezoid. What is the ratio of the area of the smaller triangle to the area of the trapezoid? Express your answer
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bader
Jan 2, 2024
0
39
0
+4
Geometry Question
In the diagram, angles ABC and ADC are right angles. If AC = 35, AE=11, and , BE=10 then what is AD?
HWhelper44
Jan 2, 2024
0
24
1
+50
Unit circles
Let P, Q, R, and S be the terminal points on the unit circle below:
Let a, b, c, and d be angles such that P = Terminal point for a, Q = Terminal
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helloworldhello
Jan 2, 2024
+1
22
1
+50
Help with unit circles
Let P, Q, R, and S be the terminal points on the unit circle below:
Order the points P, Q, R, S so that the first point is the terminal point
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helloworldhello
Jan 2, 2024
0
25
1
+1768
Bisecting Lines
The line $y = mx$ bisects the angle between the two lines shown below. Find $m$.
The two lines are y = x and y = 2x.
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bader
Jan 2, 2024
0
43
1
+1768
Numbers
Let $x$ and $y$ be real numbers. If $x$ and $y$ satisfy
x^2 + y^2 = 4x + 2y
then find the largest possible value of $x.$ Give your answer in exact form using radicals, simplified as far as possible.
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bader
Jan 2, 2024
0
39
1
+1768
Coordinates
A line and a circle intersect at $A$ and $B,$ as shown below. Find the distance between $A$ and $B$.
The circle is x^2 + y^2 = 20.
The line is y = -4.
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bader
Jan 2, 2024
-1
31
0
+1520
Pyramid
Let $ABCDE$ be a right square pyramid, with base $ABCD$ and apex $E.$ Find the volume of the pyramid.
read more ..
blackpanther
Jan 2, 2024
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