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Post New Question
All Questions
+0
237783 Questions
0
12
2
+24
Hard Product Problem
Evaluate
Apparently this problem also asks to answer using square roots.
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CocoOwen
Jan 29, 2025
0
34
0
+460
Algebra
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 ..
MEMEG0D
Jan 29, 2025
0
17
1
+460
Algebra
Let a1, a2, a3, ..., a10 be an arithmetic series. If a1 + a3 = -2 and a2 + a4 + a6 = 1, then find a1.
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MEMEG0D
Jan 29, 2025
0
34
0
+460
Algebra
Let a1, a2, a3, ... be an arithmetic sequence. Let Sn denote the sum of the first n terms. If S_5 = 1/5 and S_10 = 1/10, then find S_15.
MEMEG0D
Jan 29, 2025
Jan 28, 2025
0
33
0
+460
Algebra
Let
f(x) = \frac{2x + 5}{x - 4} + \frac{x^2 + 1}{4x - 3}.
Find the inverse $f^{-1}(x)$.
MEMEG0D
Jan 28, 2025
+1
25
1
+381
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 $\angle TSU = 62^\circ$ and $\angle STU = 29^\circ$,
read more ..
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cwimie
Jan 28, 2025
+1
27
1
+381
Geometry
Altitudes $\overline{AD}$ and $\overline{BE}$ of acute triangle $ABC$ intersect at point $H$. If $\angle AHB = 144^\circ$ and $\angle BAH = 20^\circ$, then what is $\angle ABH$ in degrees?
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cwimie
Jan 28, 2025
+1
27
1
+381
Geometry
In triangle $STU$, let $M$ be the midpoint of $\overline{ST},$ and let $N$ be on $\overline{TU}$ such that $\overline{SN}$ is an altitude of triangle $STU$. If $ST = 13$, $SU = 14$, $TU = 4$, and $\overline{SN}$ and $\overline{UM}$ intersect at $X$,
read more ..
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cwimie
Jan 28, 2025
+1
31
0
+1309
Algebra
Determine all of the following for f(x) \cdot g(x), where f(x) = -7x^4-3x^2 + 2 and g(x) = 2x^8 - 3x^7 + 5x^6 + 3x^5 - 11x^4 + 3x^3 - 18x^2 + 17x - 5.
Leading term:
Leading coefficient:
Degree:
read more ..
AnswerscorrectIy
Jan 28, 2025
+1
32
1
+1309
Algebra
There exists a polynomial f(x) and a constant k such that
(x^2 - 2x - 5) f(x) = x^4 - 2x^3 + kx^2
What is k?
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AnswerscorrectIy
Jan 28, 2025
+1
35
1
+1309
Algebra
What is the coefficient of x in (x^3 + x^2 + x + 1)(x^4 + 3x^3 + 4x^2 + 8x + 7)?
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AnswerscorrectIy
Jan 28, 2025
+1
41
0
+1309
Algebra
What is the coefficient of x^2 in (x^3 + x^2 + x + 1)(x^4 + 3x^3 + 8x + 7x + 1)?
AnswerscorrectIy
Jan 28, 2025
0
33
0
+351
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 ..
jaekg
Jan 28, 2025
0
31
0
+351
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 $AB = 20$, $AC = 20$,
<
read more ..
jaekg
Jan 28, 2025
0
28
0
+351
Geometry
Let $ABC$ be a triangle. Let $D$ be a point on side $\overline{AC}$ such that line segment $\overline{BD}$ bisects $\angle ABC$. If $\angle A = 30^\circ$, $\angle C = 90^\circ$, and $AC = 12$, then find the area of triangle $ABD$. Give your answer in exact
read more ..
jaekg
Jan 28, 2025
0
23
1
+351
Geometry
Point $A$ is reflected over the line shown below to point $B$. Find the coordinates of $B$.
Write your answer as an ordered pair $(x,y)$.
The line is y = x + 3, and A = (7,1).
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jaekg
Jan 28, 2025
0
6
27
0
+1580
Algebra
Compute
1 + \frac{3}{6} + \frac{5}{6^2}
kittykat
Jan 28, 2025
0
5
28
0
+1580
Algebra
Compute
\frac{1}{1 \times 4} + \frac{1}{4 \times 7} + \frac{1}{7 \times 12}
kittykat
Jan 28, 2025
0
7
26
0
+1580
Algebra
Compute the sum
\frac{1}{\sqrt{36} + \sqrt{39}} + \frac{1}{\sqrt{36} + \sqrt{45}} + \frac{1}{\sqrt{39} +\sqrt{96}}
kittykat
Jan 28, 2025
0
5
22
0
+1580
Algebra
The circles $x^2 + y^2 = 4$ and $(x - 5)^2 + (y - 8)^2 = 60$ intersect in two points $A$ and $B.$ Find the distance $AB$.
kittykat
Jan 28, 2025
0
2
21
3
+4
GEOMETRY QUESTION
A square sheet of paper has area 15. The front side is white and the back side is black. A corner of the sheet is lifted and placed so that the crease is at a 45 degree angle. If the fold is such that the visible black area is equal to the visible
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abc234
Jan 28, 2025
0
32
1
+1309
Algebra
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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AnswerscorrectIy
Jan 28, 2025
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