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Post New Question
All Questions
+0
234659 Questions
0
17
2
+1475
Parabola
The parabola $y = ax^2 + bx + c$ is graphed below. Find $a + b + c$. (The grid lines are one unit apart.)
The parabola passes through (-3,7), (-1,5), and (2,8).
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parmen
Jan 12, 2024
0
20
1
+1475
Algebra
Fill in the blanks with numbers to make a true equation
3x^2 + 12x + 4 - x^3 + 8x - 5x + 7x^2 + 11 = __ (x + __)^3 + __(x + __)^2 + __x + ___
DS2011
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parmen
Jan 12, 2024
0
28
1
+4
Exponential word problem
There are 128 teams entered in a basketball tournament. Half of the teams are eliminated each round. How many teams are left after 4 rounds
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yoshushplease
Jan 12, 2024
0
25
1
+1341
Quadratic
Find the minimum value of the expression $x^2+y^2+2x-4y+8+10x-12y$ for real $x$ and $y$.
ElectricPavlov
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kittykat
Jan 12, 2024
0
22
1
+1678
bisector
In triangle $ABC$, let $I$ be the incenter of triangle $ABC$. The line through $I$ parallel to $BC$ intersects $AB$ and $AC$ at $M$ and $N$, respectively. If $AB = 5$, $AC = 5$, and $BC = 8$, then find the area of triangle $AMN$.
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wiseowl
Jan 12, 2024
-1
20
2
+1323
Probability question
A box contains 24 tiles. Each tile has certain properties:
Each tile is made of wood or plastic.
Each tile is red, yellow, or blue.
Each tile is a triangle, square, pentagon, or circle.
There is exactly one tile
read more ..
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blackpanther
Jan 12, 2024
-1
20
1
+1678
Bisector
In the diagram, $\overline{CX}$ bisects $\angle ACB$. Find the ratio of the area of triangle $BCX$ to the area of triangle $ACX$. Express your answer as a common fraction.
read more ..
BuiIderBoi
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wiseowl
Jan 12, 2024
0
34
2
+1678
Bisector
In triangle $ABC$, $\angle ABC = 90^\circ$, and $D$ is on side $\overline{BC}$ such that $\overline{AD}$ bisects $\angle BAC$. If $AB = 4,$ $BC = 3$, and $AC = 5,$ then find the area of $\triangle ADC$. Round your answer to the nearest integer.</
read more ..
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wiseowl
Jan 12, 2024
0
40
1
+15
Arithmetic Questions
I have three questions:
1. Let $a_1,$ $a_2,$ $a_3,$ $\dots,$ $a_{10},$ $a_{11},$ $a_{12}$ be an arithmetic sequence. If $a_1 + a_3 + a_5 + a_7 + a_9 + a_{11} = -2$ and $a_2 + a_4 + a_6 + a_8 + a_{10} + a_{12} = 1$, then find $a_1$.
2. Find
read more ..
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NotACalculator123
Jan 12, 2024
0
12
2
+1756
Rates
Three runners, Dirk, Edith, and Foley all start at the same time for a $24$ km race, and each of them runs at a constant speed. When Dirk finishes the race, Edith is $5$ km behind, and Foley is $6$ km behind. When Edith finishes the race, how far
read more ..
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bader
Jan 12, 2024
0
42
1
+1756
Compute
Compute
\frac{1}{1 \times 4} + \frac{1}{4 \times 7} + \frac{1}{7 \times 10}
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bader
Jan 12, 2024
0
35
1
+1756
Compute
Compute
1 + \frac{3}{6} + \frac{5}{6^2} + \frac{7}{6^3}
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bader
Jan 12, 2024
0
24
0
+1756
Logarithm
Find $x$ if \log_2 (\log_3 x) = 2 \log_2 x.
bader
Jan 12, 2024
+1
34
1
+1348
Triangle Geometry
Let $M$, $N$, and $P$ be the midpoints of sides $\overline{TU}$, $\overline{US}$, and $\overline{ST}$ of triangle $STU$, respectively. Let $\overline{UZ}$ be an altitude of the triangle. If $\angle TSU = 60^\circ$ and $\angle STU = 45^\circ$,
read more ..
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sandwich
Jan 12, 2024
+1
20
1
+81
Number Theory
How many positive integers less than 2024 cannot be expressed as the difference of the squares of two positive integers?
What I have deduced so far is that the number cannot be a perfect square, it cannot be an odd number, and it has to be in the
read more ..
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moneydude242
Jan 12, 2024
0
21
1
+1348
Altitudes
Altitudes $\overline{AD}$ and $\overline{BE}$ of acute triangle $ABC$ intersect at point $H$. If $\angle AHB = 144^\circ$ and $\angle BAH = 66^\circ$, then what is $\angle HCA$ in degrees?
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sandwich
Jan 12, 2024
0
25
1
+1348
Angles
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.
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sandwich
Jan 12, 2024
Jan 11, 2024
0
23
2
+1678
Domain
Find the domain of the function $f(x)=\frac{2x-7}{\sqrt{x^2}} - \sqrt{5x+6-11}$.
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wiseowl
Jan 11, 2024
0
24
1
+1678
Quadratic
The quadratic equation $x^2-mx+24 = 10$ has roots $x_1$ and $x_2$. If $x_1$ and $x_2$ are integers, how many different values of $m$ are possible?
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wiseowl
Jan 11, 2024
0
24
4
+1678
Algebra
Find the sum of the squares of the roots of $2x^2+4x-1=x^2-8x+3$.
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wiseowl
Jan 11, 2024
0
20
1
+1887
help plz
Syd chooses two different primes, both of which are greater than 20, and multiplies them. The resulting product is less than 800. How many different products could Syd have ended up with?
ElectricPavlov
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tomtom
Jan 11, 2024
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