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Post New Question
All Questions
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237681 Questions
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624
2
urgent :)
A magic square is defined as an n-by-n grid of numbers such that the sum of
the numbers in each row, column, and the two long diagonal is equal to the
same number, known as the “magic sum.” Find the smallest possible magic
sum in a 3-by-3
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Guest
May 2, 2020
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474
1
counting
Find the number of 3-digit numbers that do not contain the digit 3.
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Guest
May 2, 2020
+1
938
3
Urgent
A tennis coach divides her 9-player squad into three 3-player groups with each player in only one group. How many different sets of three groups can be made?
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Guest
May 2, 2020
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541
2
please send help (:
Insert standard operations (+, -, *, /) and any necessary parentheses to
transform the left set of numbers, in any order, into the number on the right.
Do NOT add any spaces or other characters. For example, an answer to 1,
7, 3 → 28 would be “(1+3)*7”
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Guest
May 2, 2020
0
667
7
Help plzz!!!
Compute the sum:
101^2-97^2+93^2-89^2+.....+5^2-1^2
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heureka
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Guest
May 2, 2020
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594
1
In parallelogram ABCD, AB = 6, BC = 8, and . Find the area of the parallelogram.
In parallelogram ABCD, AB = 6, BC = 8, and . Find the area of the parallelogram.
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Guest
May 2, 2020
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1153
1
In a rhombus, each side has length 6. One of the angles of the rhombus is . Find the area of the rhombus.
In a rhombus, each side has length 6. One of the angles of the rhombus is . Find the area of the rhombus.
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Guest
May 2, 2020
0
2170
2
Quadrilateral problem
In quadrilateral PQRS, PQ = QR = RS = SP, PR = 14, and QS = 48. Find the perimeter of PQRS.
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Guest
May 2, 2020
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566
1
-11
Help Please!
The distance from Capital City to Little Village is 140 miles. From Capital City to Mytown is 60 miles, from Mytown to Yourtown is 25 miles, and from Yourtown to Little Village is 55 miles. How far is it from Mytown to Little Village?
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UUUUUnknown
May 2, 2020
+1
574
1
help
There are 3 adults and 6 children lining up, and the adults don't want to stand next to each other. How many ways are there to line up?
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Guest
May 2, 2020
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889
3
please help geometry question :(
A line in the coordinate plane has a slope of and a distance of unit from the origin. Find the area of the triangle determined by the line and the coordinate axes.
Thank you!
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Guest
May 2, 2020
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722
4
Helpppp
A stick has a length of units. The stick is then broken at two points, chosen at random. What is the probability that all three resulting pieces are longer than unit?
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Guest
May 2, 2020
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613
3
Help please
Max the ant is on the real number line, and Max is trying to get to the point .
If Max is at , then on the next step, Max moves to either or with equal probability. If Max is at , then on the next step,
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Guest
May 2, 2020
0
686
7
+188
HELP!
Compute
LuckyDucky
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SoggyPerson
May 2, 2020
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640
1
+23
Find the surface area of the composite figure.
Find the surface area of the composite figure.
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flxm3s
May 2, 2020
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442
0
help
In the drawing above the circles all have a radius of 5 units. What is the area shaded in blue?
Guest
May 2, 2020
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587
1
i don't understand this geometry question. please help :(
A sphere of radius and a sphere of radius are inscribed in a right circular cone, as shown below. Find the volume of the cone.
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Guest
May 2, 2020
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503
1
help
Find the number of matrices A that have the following properties: The matrix A is its own inverse, and
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Guest
May 2, 2020
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465
1
help
The diagram below shows two vectors u,v such that lies in the positive quadrant of the xy-plane (meaning the x and y coordinates are both positive) and ||u|| =2 and ||v|| lies on the positive portion of the z -axis and ||v||=3. If what
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Guest
May 2, 2020
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449
0
help
If a + b + c = 3, a^2 + b^2 + c^2 = 5, a^3 + b^3 + c^3 = 7, then find a^4 + b^4 + c^4.
Guest
May 2, 2020
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