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All Questions
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154778 Questions
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off-topic
Melly
3
mins ago
-1
2
1
help
Simplify sqrt(17 + 12*sqrt(2)).
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Guest
7
mins ago
-1
3
2
Can you help me
If A divided by B equals 4 then what does B divided by A equal?
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Guest
9
mins ago
-1
7
0
help
Given that AB = 7.7, angle CAB = 36 degrees, BC = 9, and angle ACD = angle BCD. Find AD.
Guest
1 hour ago
0
10
1
help
Find a perfect square which has four digits and the first two digits are same and the last two digits are also same.
ElectricPavlov
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Guest
1 hour ago
0
6
2
+1197
Is this statement true or false?
Is this statement true or false?
The point (5, -1) is a solution of the equation: y = 2x − 11
A. true
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macabresubwoofer
2 hours ago
0
7
3
+1197
Name the ordered pair that point B represents in the graph.
Name the ordered pair that point B represents in the graph.
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macabresubwoofer
2 hours ago
0
6
1
+1197
Write an algebraic expression for the word phrase: the difference of four cubed and ‘a’.
Write an algebraic expression for the word phrase: the difference of four cubed and ‘a’.
A. 4^3
B. 4^3 – a
C. 4^3 a
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macabresubwoofer
2 hours ago
0
5
2
+1197
Write the difference of 5 and x as a mathematical expression.
Write the difference of 5 and x as a mathematical expression.
A. 5x
B. 5 – x
C. 5 + x
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macabresubwoofer
2 hours ago
0
7
1
+1197
Which of the following expressions is a correct way to write this, if the radius is x?
The area of a circle is approximately 3.14 times the radius squared. Which of the following expressions is a correct way to write this, if the radius is x?
A. 2(3.14)x
B. x(3.14)^2
C. 3.14x^2
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macabresubwoofer
2 hours ago
0
11
4
help
Solve y^2 - |4y - 2| + 5 = 0.
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Guest
2 hours ago
-2
25
2
+433
Help please!
We roll a fair 6-sided die 5 times. What is the probability that we get a 6 in at most 2 of the rolls?
Thanks!
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sinclairdragon428
9 hours ago
0
19
1
help
Find the product of all real numbers n which satisfy |n^2 - 9n + 20| = |16 - n^2|.
heureka
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Guest
Nov 18, 2019, 4:54:22 AM
0
17
1
help
John has an ample supply of 10-cent stamps and 15-cent stamps. He will buy an ample supply of stamps of one more denomination, which is a whole number. He needs to be able to combine the stamps to make any value of 30 cents or more. In
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Guest
Nov 18, 2019, 4:27:27 AM
0
13
1
circle
A circle of radius 5 with its center at (0,0) is drawn on a Cartesian coordiante system. How many lattice points lie within or on this circle?
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Guest
Nov 18, 2019, 4:16:32 AM
0
15
3
help please thx
1. Let f(x) = x^3 + 3x ^2 + 4x - 7 and g(x) = -7x^4 + 5x^3 +x^2 - 7. What is the coefficient of x^3 in the sum f(x) + g(x)?
2. Let f(x) = x^4-3x^2 + 2 and g(x) = 2x^4 - 6x^2 + 2x -1. Let a be
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Guest
Nov 18, 2019, 3:56:27 AM
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21
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Math
a) Three families celebrate Thanksgiving together: Alvarados, the Bells, and the Carsons. There are four people in each family. Afterwards they line up for a large group photo. How many ways can the 12 of them line up?
b) this time they want to
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off-topic
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Guest
Nov 18, 2019, 3:38:47 AM
0
17
2
Math
Three families celebrate Thanksgiving together: Alvarados, the Bells, and the Carsons. There are four people in each family. Afterward, they line up for a large group photo. How many ways can the 12 of them line up?
off-topic
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Guest
Nov 18, 2019, 3:19:05 AM
0
17
2
help
A diagonal of a polyhedron is a line segment connecting two non-adajcent vertices. How many diagaonals does a pentagonal prism have?
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Guest
Nov 18, 2019, 3:11:01 AM
0
15
1
Help me please ASAP
In the diagram below, D is the midpoint of the base of isosceles triangle ABC. Points G1 and G2 are the centroids of ABD and ACD, respectively. We know AD=8 and G1G2 =4. What is the perimeter of ABC?
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Guest
Nov 18, 2019, 2:29:01 AM
0
21
2
help please
Let g(n,k) be the number of partitions of n into exactly k parts, in which no part is a 1. Show that
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Guest
Nov 18, 2019, 1:42:02 AM
+1
19
1
+113
Polynomial Forms
Find the polynomial with real coefficients, such that
for all real numbers
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AoPS.Morrisville
Nov 18, 2019, 1:34:20 AM
0
13
1
help
Let A(-8,4) and B(6,6). Point C(0,k) is such that the circumcircle of triangle ABC has equation x^2 + y^2 + 2x - 10y - 24 = 0. Find all possible values of k.
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Guest
Nov 18, 2019, 1:19:24 AM
+1
21
1
+113
Complex #'s
Let be a nonreal complex number. Find the smallest possible value of
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AoPS.Morrisville
Nov 18, 2019, 1:04:54 AM
0
17
1
Using the discriminant to determine the translation?
II know what a discriminant is; from using it, I got -40. How will this help me determine the translation?
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Guest
Nov 18, 2019, 12:37 AM
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