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All Questions
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235755 Questions
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1
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+564
Algebra
Let f(x) = \sqrt{x}
Find the largest three-digit value of x such that f(x) is an integer.
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Pythagorearn
Nov 15, 2024
0
1
1
+564
Algebra
Compute
\frac{1}{1 \times 4} + \frac{1}{7 \times 10}
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Pythagorearn
Nov 15, 2024
0
1
0
+564
Algebra
Let a be a real number such that a - \frac{1}{a} = 4 + a^2 + \frac{1}{a^2}. Compute a^3 - \frac{1}{a^3}.
Pythagorearn
Nov 15, 2024
0
1
1
+279
Geometry
In right triangle $ABC,$ $\angle C = 90^\circ$. Median $\overline{AM}$ has a length of 1, and median $\overline{BN}$ has a length of 1. What is the length of the hypotenuse of the triangle?
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bIueb3rry
Nov 15, 2024
0
1
0
+279
Geometry
In triangle $PQR,$ $M$ is the midpoint of $\overline{QR}.$ Find $PM.$
PQ = 5, PR = 8, QR = 11
bIueb3rry
Nov 15, 2024
0
1
0
+279
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 $BD$?
bIueb3rry
Nov 15, 2024
0
1
0
+279
Geometry
In quadrilateral $BCED$, sides $\overline{BD}$ and $\overline{CE}$ are extended past $B$ and $C$, respectively, to meet at point $A$. If $BD = 8$, $BC = 3$, $CE = 1$, $AC = 19$ and $AB = 13$, then what is $DE$?
bIueb3rry
Nov 15, 2024
0
1
0
+704
Counting
Raina places the following balls into a bag. She then draws three balls out of the bag, one at a time, without replacement. What is the probability that the colors of the balls alternate?
There are 3 orange balls and 2 purple
read more ..
booboo44
Nov 15, 2024
Nov 14, 2024
0
1
0
+4
math
what is the variation of -3 and positive 8
Billyboy125670
Nov 14, 2024
0
1
0
+704
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?
booboo44
Nov 14, 2024
0
1
0
+704
Counting
The numbers $x_1,$ $x_2,$ $x_3,$ $x_4$ are chosen at random in the interval $[0,1].$ Let $I$ be the interval between $x_1$ and $x_2,$ and let $J$ be the interval between $x_3$ and $x_4.$ Find the probability that intervals $I$ and $J$ both contain
read more ..
booboo44
Nov 14, 2024
0
1
0
+704
Counting
The grid below is made up of line segments, like the line segment in red. There are a number of paths that go from A to B in the grid, where every step goes to the right or up. If we choose a line segment at random, then what is the expected number of squares
read more ..
booboo44
Nov 14, 2024
0
1
0
+2669
Geometry
Let $PQRSTUVW$ be a rectangular prism, as shown. The area of face $TUVW$ is $10,$ the area of face $TUQP$ is $10,$ and the area of face $TPSW$ is $10.$ Find the volume of the rectangular prism.
LiIIiam0216
Nov 14, 2024
0
1
0
+2669
Geometry
Find the total surface area and the volume of the conical frustum below.
LiIIiam0216
Nov 14, 2024
0
1
0
+2669
Geometry
Let $ABCD$ be a regular tetrahedron. Let $E$, $F$, $G,$ $H$ be the centers of faces $BCD$, $ACD$, $ABD$, $ABC$, respectively. The volume of pyramid $DEFG$ is $18.$ Find the volume of pyramid $EFGH$
LiIIiam0216
Nov 14, 2024
0
1
0
+2669
Geometry
The diagram below consists of a small square, four equilateral triangles, and a large square. Find the area of the large square.
LiIIiam0216
Nov 14, 2024
0
1
1
+365
Geometry
In cyclic quadrilateral $PQRS,$
angle P = angle Q = angle R
Find the largest angle in quadrilateral $PQRS,$ in degrees.
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MeIdHunter
Nov 14, 2024
0
1
0
+365
Geometry
Trapezoid $HGFE$ is inscribed in a circle, with $\overline{EF} \parallel \overline{GH}$. If arc $GH$ is $66$ degrees, arc $EH$ is $x^2 + 8x$ degrees, and arc $FG$ is $25 + 16x$ degrees, where $x > 0,$ find arc $EPF$, in degrees.
MeIdHunter
Nov 14, 2024
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