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Post New Question
All Questions
+0
235702 Questions
0
6
2
+280
Imaginary Numbers...
Compute (1 + i)/(2 - i)(3 + i).
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BRAINBOLT
Aug 21, 2024
0
5
1
+952
Algebra
I drove to the beach at a rate of $40$ miles per hour. If I had driven at a rate of $55$ miles per hour instead, then I would have arrived $25$ minutes earlier. How many miles did I drive?
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Hi6942O
Aug 21, 2024
0
2
1
+952
Algebra
I have to paint one side of a wall. The wall is $15$ meters tall and $60$ meters long. Each gallon of paint covers $400$ square feet. If a foot is approximately $0.3048$ meters, then what is the smallest whole number of gallons I can buy and
read more ..
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Hi6942O
Aug 21, 2024
0
9
0
+448
Algebra
Let a be a real number such that a + \frac{1}{a} + a^2 + \frac{1}{a^2} = 0. Find a^5.
onyuIee
Aug 21, 2024
0
6
1
+448
Algebra
At a cafeteria, Mary orders two pieces of toast and a bagel, which comes out to 3.15. Gary orders a bagel and four muffins, which comes out to 7.85. Larry orders a piece of toast, two bagels, and three muffins, which comes out to 9.75.
read more ..
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onyuIee
Aug 21, 2024
0
4
1
+448
Algebra
In Linguistics $101,$ the ratio of the number of juniors to the number of seniors is $3:2$. When twelve more juniors join the class, and one senior drops the class, the ratio of the number of juniors to the number of seniors becomes $2:1$. How
read more ..
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onyuIee
Aug 21, 2024
0
8
1
+40
help!
If x(x+y) = x^2 + 8, what is the value of xy?
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onyulee
Aug 21, 2024
0
3
1
+1443
Algebra
The graph of $y = ax^2 + bx + c$ has an axis of symmetry of $x = 2.$ If $(4,7)$ lies on the graph, find another point on the graph.
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blackpanther
Aug 21, 2024
0
6
2
+63
Logarithms Help
Let x,and y be positive real numbers that satisfy:
The value of can be expressed in the form , where and are relatively prime positive integers. Find p+q.
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MeldHunter
Aug 21, 2024
Aug 20, 2024
0
9
2
+637
Algebra
The parabola $y = ax^2 + bx + c$ is graphed below. Find $a \cdot b \cdot c.$ (The grid lines are one unit apart.)
read more ..
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siIviajendeukie
Aug 20, 2024
0
9
0
+637
Algebra
For an integer n, the inequality
x^2 + nx + 15 < -89 - 3x^2
has no real solutions in $x$. Find the number of different possible values of $n$.
siIviajendeukie
Aug 20, 2024
0
5
1
+1443
Counting
Franklin the fly starts at the point (0, 0) in the coordinate plane. At each point, Franklin takes a step to the right, left, up, or down. After 12 steps, how many different points could Franklin end up at?
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blackpanther
Aug 20, 2024
0
4
1
+1443
Counting
Find the coefficient of u^2*v^9 in (2u - 3*v^3)*5*(3u^3 - 2v^5)^3.
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blackpanther
Aug 20, 2024
0
5
1
+2653
Geometry
In triangle ABC, angle B = 90 degrees. Point X is on line AC such that angle BXA = 90 degrees, AX = 15, and CX = 5. What is BX?
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LiIIiam0216
Aug 20, 2024
0
4
0
+2653
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.
LiIIiam0216
Aug 20, 2024
0
11
1
+2653
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 ..
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LiIIiam0216
Aug 20, 2024
0
4
1
+279
Geometry
In quadrilateral $BCED$, sides $\overline{BD}$ and $\overline{CE}$ are extended past $B$ and $C$, respectively, to meet at point $A$. If $BD = 18$, $BC = 18$, $CE = 6$, $AC = 14$ and $AB = 10$, then what is $DE$?
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fjeihqoO
Aug 20, 2024
0
4
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 $AF = 1$ and $DF = 2$, then what is $BD$?
fjeihqoO
Aug 20, 2024
Aug 19, 2024
0
14
0
+2653
Geometry
Point $P$ is on side $\overline{AC}$ of triangle $ABC$ such that $\angle APB =\angle PBA$, and $\angle ABC - \angle ACB = 24^\circ$. Find $\angle PBC$ in degrees.
LiIIiam0216
Aug 19, 2024
0
4
0
+2653
Geometry
Points $X$, $Y$, and $Z$ are on the sides $\overline{QR}$, $\overline{PR}$, and $\overline{PQ}$, respectively, of right triangle $PQR$ such that $PZXY$ is a square. If $PQ = 6$ and $PR = 6$, then what is the side length of the square?
LiIIiam0216
Aug 19, 2024
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